`classof1950.org`

DNSSEC	⚠️ Not signed
A	3.171.100.23^{🇺🇸 Amazon3.171.100.0/22}
		PTR	`server-3-171-100-23.iad12.r.cloudfront.net`
A	3.171.100.54^{🇺🇸 Amazon3.171.100.0/22}
A	3.171.100.96^{🇺🇸 Amazon3.171.100.0/22}
A	3.171.100.109^{🇺🇸 Amazon3.171.100.0/22}
NS	`ns-73.awsdns-09.com` ⭐
		A	2600:9000:5300:4900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-73.awsdns-09.com`
		A	205.251.192.73^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-73.awsdns-09.com`
NS	`ns-1526.awsdns-62.org`
		A	2600:9000:5305:f600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1526.awsdns-62.org`
		A	205.251.197.246^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1526.awsdns-62.org`
NS	`ns-1722.awsdns-23.co.uk`
		A	2600:9000:5306:ba00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1722.awsdns-23.co.uk`
		A	205.251.198.186^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1722.awsdns-23.co.uk`
NS	`ns-784.awsdns-34.net`
		A	2600:9000:5303:1000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-784.awsdns-34.net`
		A	205.251.195.16^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-784.awsdns-34.net`
SOA	`ns-73.awsdns-09.com`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=1771291736

Same first word

classof1950.org

DNS History

28 records (8 active, 20 former)

●NSns-1526.awsdns-62.org2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 21:22:14
● 2026-03-09 10:52:08

●NSns-1722.awsdns-23.co.uk2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 21:22:14
● 2026-03-09 10:52:08

●NSns-73.awsdns-09.com2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 21:22:14
● 2026-03-09 10:52:08

●NSns-784.awsdns-34.net2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 21:22:14
● 2026-03-09 10:52:08

○A143.204.68.172026-02-16 → 2026-03-08 · 24 obs

○ 2026-02-15 17:10:52
● 2026-02-16 02:21:40
● 2026-02-17 00:35:10
○ 2026-02-18 16:08:22
○ 2026-02-21 08:09:44
● 2026-02-22 07:28:46
● 2026-02-22 08:33:22
○ 2026-02-22 12:48:58
○ 2026-02-23 00:05:02
● 2026-02-23 11:46:00
○ 2026-02-26 10:48:12
○ 2026-02-27 08:08:50
● 2026-02-28 00:03:50
● 2026-02-28 09:35:12
○ 2026-03-02 15:53:42
● 2026-03-02 22:34:28
● 2026-03-04 01:06:00
○ 2026-03-04 08:20:50
● 2026-03-04 19:39:24
○ 2026-03-05 10:07:16
○ 2026-03-06 15:10:00
● 2026-03-06 23:15:12
● 2026-03-08 21:20:22
○ 2026-03-09 10:52:08

○A143.204.68.32026-02-16 → 2026-03-08 · 24 obs

○A143.204.68.522026-02-16 → 2026-03-08 · 24 obs

○A143.204.68.792026-02-16 → 2026-03-08 · 24 obs

○A174.129.204.1982015-06-02 → 2015-06-02 · 3 obs

● 2015-06-02 21:22:14
○ 2015-10-21 14:34:38
○ 2026-03-09 10:52:08

○A184.73.215.722016-04-05 → 2016-04-05 · 4 obs

○ 2015-12-24 11:10:10
● 2016-04-05 12:38:28
○ 2016-12-07 18:28:56
○ 2026-03-09 10:52:08

○A23.21.153.192015-06-02 → 2015-06-02 · 3 obs

● 2015-06-02 21:22:14
○ 2017-10-01 13:43:46
○ 2026-03-09 10:52:08

○A23.23.158.1052016-12-07 → 2016-12-07 · 4 obs

○ 2016-04-05 12:38:28
● 2016-12-07 18:28:56
○ 2017-10-01 13:43:46
○ 2026-03-09 10:52:08

○A23.23.97.2472015-10-21 → 2015-10-21 · 4 obs

○ 2015-06-02 21:22:14
● 2015-10-21 14:34:38
○ 2015-12-24 11:10:10
○ 2026-03-09 10:52:08

●A3.171.100.1092026-02-18 → 2026-03-09 · 22 obs

○ 2026-02-15 17:10:52
○ 2026-02-17 00:35:10
● 2026-02-18 16:08:22
○ 2026-02-18 18:18:34
○ 2026-02-19 02:03:30
● 2026-02-21 08:09:44
○ 2026-02-22 07:28:46
○ 2026-02-22 21:18:16
● 2026-02-23 00:05:02
○ 2026-02-23 11:46:00
● 2026-02-26 10:48:12
○ 2026-02-27 06:43:58
○ 2026-02-28 09:35:12
● 2026-03-02 15:53:42
○ 2026-03-02 22:34:28
○ 2026-03-04 01:06:00
● 2026-03-04 08:20:50
○ 2026-03-04 19:39:24
● 2026-03-05 10:07:16
○ 2026-03-05 18:51:14
○ 2026-03-08 21:20:22
● 2026-03-09 10:52:08

●A3.171.100.232026-02-18 → 2026-03-09 · 22 obs

●A3.171.100.542026-02-18 → 2026-03-09 · 22 obs

●A3.171.100.962026-02-18 → 2026-03-09 · 22 obs

○A3.211.156.792021-02-15 → 2021-02-15 · 4 obs

○ 2020-01-02 04:38:34
● 2021-02-15 20:34:30
○ 2026-02-15 17:10:52
○ 2026-03-09 10:52:08

○A34.234.10.822020-01-02 → 2020-01-02 · 4 obs

○ 2017-10-01 13:43:46
● 2020-01-02 04:38:34
○ 2021-02-15 20:34:30
○ 2026-03-09 10:52:08

○A50.17.211.1552015-12-24 → 2015-12-24 · 4 obs

○ 2015-10-21 14:34:38
● 2015-12-24 11:10:10
○ 2016-04-05 12:38:28
○ 2026-03-09 10:52:08

○A52.1.140.1712021-02-15 → 2021-02-15 · 4 obs

○ 2020-01-02 04:38:34
● 2021-02-15 20:34:30
○ 2026-02-15 17:10:52
○ 2026-03-09 10:52:08

○A52.1.173.1662017-10-01 → 2017-10-01 · 4 obs

○ 2016-12-07 18:28:56
● 2017-10-01 13:43:46
○ 2020-01-02 04:38:34
○ 2026-03-09 10:52:08

○A52.200.0.2342017-10-01 → 2017-10-01 · 4 obs

○ 2016-12-07 18:28:56
● 2017-10-01 13:43:46
○ 2020-01-02 04:38:34
○ 2026-03-09 10:52:08

○A52.205.77.202020-01-02 → 2020-01-02 · 4 obs

○ 2017-10-01 13:43:46
● 2020-01-02 04:38:34
○ 2021-02-15 20:34:30
○ 2026-03-09 10:52:08

○A52.84.20.1142026-02-15 → 2026-03-06 · 20 obs

○ 2021-02-15 20:34:30
● 2026-02-15 17:10:52
○ 2026-02-16 02:21:40
○ 2026-02-18 16:08:22
● 2026-02-18 18:18:34
● 2026-02-19 02:03:30
○ 2026-02-21 08:09:44
○ 2026-02-22 08:33:22
● 2026-02-22 12:48:58
● 2026-02-22 21:18:16
○ 2026-02-23 00:05:02
○ 2026-02-26 10:48:12
● 2026-02-27 06:43:58
● 2026-02-27 08:08:50
○ 2026-02-28 00:03:50
○ 2026-03-05 10:07:16
● 2026-03-05 18:51:14
● 2026-03-06 15:10:00
○ 2026-03-06 23:15:12
○ 2026-03-09 10:52:08

○A52.84.20.362026-02-15 → 2026-03-06 · 20 obs

○A52.84.20.772026-02-15 → 2026-03-06 · 20 obs

○A52.84.20.962026-02-15 → 2026-03-06 · 20 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
classof1950.org	ns-1526.awsdns-62.org, ns-1722.awsdns-23.co.uk, ns-784.awsdns-34.net, ns-73.awsdns-09.com	1 record

✅ Authoritative Response

Server: 205.251.197.246

NS records: ns-1526.awsdns-62.org, ns-1722.awsdns-23.co.uk, ns-784.awsdns-34.net, ns-73.awsdns-09.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classof1950.org (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.100.23, 3.171.100.109...`
NS	4	`ns-1526.awsdns-62.org, ns-1722.awsdns-23.co.uk...`
SOA	1	`ns-73.awsdns-09.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1526.awsdns-62.org)

Analysis

IP Addresses

classof1950.org maps to four IP numbers: 3.171.100.23, 3.171.100.54, 3.171.100.96 and 3.171.100.109.

Other host names, for instance skylance.com, tymhwv.launches.appsflyersdk.com, www.balancycle.co.kr, fuuf4y.conversions.appsflyersdk.com and f7i5ct.attr.appsflyersdk.com share IP numbers with classof1950.org.

Name Servers

classof1950.org's delegation is handled by four name servers: ns-73.awsdns-09.com, ns-784.awsdns-34.net, ns-1526.awsdns-62.org and ns-1722.awsdns-23.co.uk.

classof1950.org partially shares name servers with other domains; examples include mccabesgreenhouseandfloral.com, d3j5shpansbb30.cloudfront.net, seasonalview.com, bepl.us and cabledec.com.

Host names with two IPs:

ns-73.awsdns-09.com points to 2600:9000:5300:4900::1 and 205.251.192.73

ns-784.awsdns-34.net points to 2600:9000:5303:1000::1 and 205.251.195.16

ns-1526.awsdns-62.org points to 2600:9000:5305:f600::1 and 205.251.197.246

ns-1722.awsdns-23.co.uk points to 2600:9000:5306:ba00::1 and 205.251.198.186

classof1950.org - robtex.com

classof1950.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

`classof1950.org`

`org`