`bchsalumni.org`

DNSSEC	⚠️ Not signed
A	3.5.12.127^{🇺🇸 Amazon3.5.12.0/23 AWS S3}
		PTR	`s3-website.us-east-1.amazonaws.com`
A	16.15.183.171^{🇺🇸 Amazon16.15.176.0/21 EC2 Prefix}
A	16.15.207.141^{🇺🇸 Amazon16.15.200.0/21 EC2 Prefix}
A	16.182.35.157^{🇺🇸 Amazon16.182.35.0/24}
A	16.182.98.85^{🇺🇸 Amazon16.182.98.0/24}
A	16.182.101.13^{🇺🇸 Amazon16.182.101.0/24}
A	54.231.170.237^{🇺🇸 Amazon54.231.160.0/19 prefix}
A	54.231.226.93^{🇺🇸 Amazon54.231.224.0/19}
NS	`ns-1570.awsdns-04.co.uk` ⭐
		A	2600:9000:5306:2200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1570.awsdns-04.co.uk`
		A	205.251.198.34^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1570.awsdns-04.co.uk`
NS	`ns-1191.awsdns-20.org`
		A	2600:9000:5304:a700::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1191.awsdns-20.org`
		A	205.251.196.167^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1191.awsdns-20.org`
NS	`ns-80.awsdns-10.com`
		A	2600:9000:5300:5000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-80.awsdns-10.com`
		A	205.251.192.80^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-80.awsdns-10.com`
NS	`ns-886.awsdns-46.net`
		A	2600:9000:5303:7600::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-886.awsdns-46.net`
		A	205.251.195.118^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-886.awsdns-46.net`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
SOA	`ns-1570.awsdns-04.co.uk`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

Same first word

bchsalumni.org

DNS History

161 records (13 active, 148 former)

●NSns-1191.awsdns-20.org2020-02-21 → 2026-03-18 · 3 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
● 2026-03-18 00:27:58

●NSns-1570.awsdns-04.co.uk2020-02-21 → 2026-03-18 · 3 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
● 2026-03-18 00:27:58

●NSns-80.awsdns-10.com2020-02-21 → 2026-03-18 · 3 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
● 2026-03-18 00:27:58

●NSns-886.awsdns-46.net2020-02-21 → 2026-03-18 · 3 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
● 2026-03-18 00:27:58

○NSns29.1and1.com2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 08:42:08
● 2017-02-16 18:33:34
○ 2020-02-21 11:43:46
○ 2026-03-18 00:27:58

○NSns30.1and1.com2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 08:42:08
● 2017-02-16 18:33:34
○ 2020-02-21 11:43:46
○ 2026-03-18 00:27:58

●MXinbound-smtp.us-east-1.amazonaws.com2020-02-21 → 2026-03-18 · 3 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
● 2026-03-18 00:27:58

○MXmx00.1and1.com2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 08:42:08
● 2017-02-16 18:33:34
○ 2020-02-21 11:43:46
○ 2026-03-18 00:27:58

○MXmx01.1and1.com2015-08-08 → 2017-02-16 · 4 obs

● 2015-08-08 08:42:08
● 2017-02-16 18:33:34
○ 2020-02-21 11:43:46
○ 2026-03-18 00:27:58

○A16.15.176.1222026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A16.15.176.2102026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A16.15.176.2242026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A16.15.177.912026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A16.15.180.492026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A16.15.180.502026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A16.15.183.12026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

●A16.15.183.1712026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A16.15.183.1742026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A16.15.183.2192026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A16.15.183.2452026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A16.15.183.462026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A16.15.183.662026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.15.183.902026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A16.15.185.1502026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A16.15.186.972026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A16.15.187.442026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A16.15.191.1432026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A16.15.193.1862026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A16.15.193.2082026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A16.15.197.2212026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A16.15.199.112026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A16.15.199.1392026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A16.15.199.2022026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A16.15.199.2082026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A16.15.199.2162026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A16.15.199.2382026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A16.15.199.2492026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A16.15.200.1942026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A16.15.202.2012026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.15.204.432026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A16.15.205.432026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

●A16.15.207.1412026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A16.15.207.1752026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.15.207.1812026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A16.15.207.2492026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A16.15.207.582026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A16.15.212.1392026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A16.15.218.1462026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A16.15.218.1532026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.15.219.1042026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A16.15.219.272026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A16.15.223.1902026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.15.223.312026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A16.15.223.472026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A16.15.236.2372026-02-25 → 2026-03-04 · 7 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A16.15.252.142026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A16.15.253.1452026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

●A16.182.101.132026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A16.182.104.692026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A16.182.107.2132026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A16.182.33.1172026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

●A16.182.35.1572026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A16.182.38.852026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A16.182.39.1172026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A16.182.42.1892026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A16.182.64.1412026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A16.182.69.1892026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A16.182.69.372026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A16.182.70.2212026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A16.182.74.452026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A16.182.98.2532026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

●A16.182.98.852026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A216.250.121.662017-02-16 → 2017-02-16 · 4 obs

○ 2016-07-01 13:51:24
● 2017-02-16 18:33:34
○ 2020-02-21 11:43:46
○ 2026-03-18 00:27:58

●A3.5.12.1272026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A3.5.12.1652026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A3.5.12.2392026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A3.5.14.2172026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A3.5.16.2442026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A3.5.8.1832026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A52.216.12.1312026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A52.216.211.132026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.216.211.932026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.216.213.1332026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.216.24.1472026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A52.216.244.1392026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A52.216.41.932026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.216.52.1012026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A52.216.52.1412026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A52.216.52.1652026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A52.216.52.2292026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A52.216.57.132026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A52.216.59.2452026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A52.216.61.692026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A52.216.89.832026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A52.217.103.192026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A52.217.109.832026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A52.217.114.132026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A52.217.115.2212026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A52.217.115.372026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A52.217.118.2212026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A52.217.118.612026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A52.217.118.932026-03-05 → 2026-03-05 · 4 obs

○ 2026-03-04 23:07:54
● 2026-03-05 18:05:46
○ 2026-03-06 02:36:06
○ 2026-03-18 00:27:58

○A52.217.122.292026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.217.130.1972026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A52.217.131.1572026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.217.131.1972026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A52.217.134.2372026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A52.217.136.532026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A52.217.137.372026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A52.217.138.692026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A52.217.139.1972026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A52.217.141.1252026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A52.217.141.2132026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A52.217.160.1012026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.217.160.1572026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A52.217.165.532026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A52.217.168.2372026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A52.217.170.1492026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A52.217.174.772026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A52.217.197.1732026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.217.201.1252026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A52.217.227.1812026-03-17 → 2026-03-17 · 3 obs

○ 2026-03-15 09:31:52
● 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A52.217.227.2372026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A52.217.231.292026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A52.217.233.2132026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A52.217.235.2372026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 21:30:54
● 2026-03-06 23:06:06
○ 2026-03-09 03:47:42
○ 2026-03-18 00:27:58

○A52.217.236.132026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A52.217.236.2132026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.217.32.1312020-02-21 → 2020-02-21 · 4 obs

○ 2017-02-16 18:33:34
● 2020-02-21 11:43:46
○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.217.46.2032026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A52.217.74.112026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A52.217.93.272026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-06 23:06:06
● 2026-03-09 03:47:42
○ 2026-03-10 16:05:20
○ 2026-03-18 00:27:58

○A52.217.95.132026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A52.217.96.272026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 23:32:46
● 2026-02-27 05:41:00
○ 2026-03-03 20:20:38
○ 2026-03-18 00:27:58

○A54.231.131.292026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A54.231.132.1252026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-03 20:20:38
● 2026-03-04 08:39:40
○ 2026-03-04 23:07:54
○ 2026-03-18 00:27:58

○A54.231.132.2052026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A54.231.139.772026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A54.231.166.772026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A54.231.167.212026-03-04 → 2026-03-04 · 4 obs

○ 2026-03-04 08:39:40
● 2026-03-04 23:07:54
○ 2026-03-05 18:05:46
○ 2026-03-18 00:27:58

○A54.231.168.1492026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A54.231.169.452026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

●A54.231.170.2372026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A54.231.172.532026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A54.231.192.292026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A54.231.193.1492026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A54.231.194.1412026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 02:36:06
● 2026-03-06 21:30:54
○ 2026-03-06 23:06:06
○ 2026-03-18 00:27:58

○A54.231.195.2532026-02-22 → 2026-03-18 · 2 obs

○ 2026-02-22 23:24:56
○ 2026-03-18 00:27:58

○A54.231.200.1172026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A54.231.200.2132026-03-10 → 2026-03-10 · 4 obs

○ 2026-03-09 03:47:42
● 2026-03-10 16:05:20
○ 2026-03-14 02:52:52
○ 2026-03-18 00:27:58

○A54.231.201.452026-02-26 → 2026-02-26 · 4 obs

○ 2026-02-25 13:18:32
● 2026-02-26 23:32:46
○ 2026-02-27 05:41:00
○ 2026-03-18 00:27:58

○A54.231.202.1492026-02-22 → 2026-02-22 · 4 obs

○ 2020-02-21 11:43:46
● 2026-02-22 23:24:56
○ 2026-02-25 13:18:32
○ 2026-03-18 00:27:58

○A54.231.224.1732026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-05 18:05:46
● 2026-03-06 02:36:06
○ 2026-03-06 21:30:54
○ 2026-03-18 00:27:58

○A54.231.225.1652026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

●A54.231.226.932026-03-18 → 2026-03-18 · 2 obs

○ 2026-03-17 20:33:26
● 2026-03-18 00:27:58

○A54.231.228.2212026-03-03 → 2026-03-03 · 4 obs

○ 2026-02-27 05:41:00
● 2026-03-03 20:20:38
○ 2026-03-04 08:39:40
○ 2026-03-18 00:27:58

○A54.231.229.452026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 16:05:20
● 2026-03-14 02:52:52
○ 2026-03-14 20:17:02
○ 2026-03-18 00:27:58

○A54.231.230.1252026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-22 23:24:56
● 2026-02-25 13:18:32
○ 2026-02-26 23:32:46
○ 2026-03-18 00:27:58

○A54.231.234.2052026-03-14 → 2026-03-14 · 5 obs

○ 2026-02-22 23:24:56
○ 2026-03-14 02:52:52
● 2026-03-14 20:17:02
○ 2026-03-15 09:31:52
○ 2026-03-18 00:27:58

○A54.231.236.2292026-03-15 → 2026-03-15 · 4 obs

○ 2026-03-14 20:17:02
● 2026-03-15 09:31:52
○ 2026-03-17 20:33:26
○ 2026-03-18 00:27:58

○A74.208.58.2052015-08-08 → 2016-07-01 · 4 obs

● 2015-08-08 08:42:08
● 2016-07-01 13:51:24
○ 2017-02-16 18:33:34
○ 2026-03-18 00:27:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
bchsalumni.org	ns-1570.awsdns-04.co.uk, ns-1191.awsdns-20.org, ns-886.awsdns-46.net, ns-80.awsdns-10.com	1 record

✅ Authoritative Response

Server: 205.251.198.34

NS records: ns-1570.awsdns-04.co.uk, ns-1191.awsdns-20.org, ns-886.awsdns-46.net, ns-80.awsdns-10.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bchsalumni.org (unsigned zone)

⏱️ Timing

Total: 1178ms | Queries: -

📄 Records

Type	Count	Sample Data
A	8	`52.217.230.229, 52.217.115.117...`
NS	4	`ns-1191.awsdns-20.org, ns-1570.awsdns-04.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
SOA	1	`ns-1570.awsdns-04.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1191.awsdns-20.org)

Analysis

IP Addresses

bchsalumni.org resolves to eight IP numbers: 3.5.12.127, 16.15.183.171, 16.15.207.141, 16.182.35.157, 16.182.98.85, 16.182.101.13, 54.231.170.237 and 54.231.226.93.

Other host names, for instance maskgun.com, alexkahn.io, hctrusted.com, www.louisvillerugcleaning.com and atmanirbhar.com share IP numbers with bchsalumni.org.

Name Servers

bchsalumni.org delegates to four name servers: ns-80.awsdns-10.com, ns-886.awsdns-46.net, ns-1191.awsdns-20.org and ns-1570.awsdns-04.co.uk.

bchsalumni.org at least partially shares name servers with other domains, including lillysoftware.com, wiredx.net, castlegroupdrawbridge.com, supplyro.com and fondazioneamplifon.it.

These name servers are commonly used with ns-869.awsdns-44.net, ns-1496.awsdns-59.org and ns-1892.awsdns-44.co.uk.

Host names with two IP numbers: ns-80.awsdns-10.com points to 2600:9000:5300:5000::1 and 205.251.192.80; ns-886.awsdns-46.net points to 2600:9000:5303:7600::1 and 205.251.195.118; ns-1191.awsdns-20.org points to 2600:9000:5304:a700::1 and 205.251.196.167; ns-1570.awsdns-04.co.uk points to 2600:9000:5306:2200::1 and 205.251.198.34.

Mail Servers

A single mail server handles bchsalumni.org, inbound-smtp.us-east-1.amazonaws.com.

bchsalumni.org shares the same mail server setup as other domains, for instance hyungjun.slack.com, bikesandrails.xmpp.slack.com, slack-www-qa4.slack.com, fatcakeslack.slack.com and checkroid.com.

bchsalumni.org shares at least some mail servers with other domains, for example techcomlife.atlassian.net, berkerynoyes.atlassian.net, eternitypay.atlassian.net, bradycorp.atlassian.net and julitec.atlassian.net.

These mail servers are often used together with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

bchsalumni.org - robtex.com

bchsalumni.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`bchsalumni.org`

`org`