`cerfistechnology.com`

DNSSEC	⚠️ Not signed
A	13.226.209.5^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
		PTR	`server-13-226-209-5.iad61.r.cloudfront.net`
A	13.226.209.35^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.86^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.102^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
NS	`ns1.eastman.com` ⭐
		A	2600:9000:5303:100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-769.awsdns-32.net`
		A	205.251.195.1^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-769.awsdns-32.net`
NS	`ns2.eastman.com`
		A	2600:9000:5307:6000::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1888.awsdns-44.co.uk`
		A	205.251.199.96^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1888.awsdns-44.co.uk`
NS	`ns3.eastman.com`
		A	2600:9000:5301:4600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-326.awsdns-40.com`
		A	205.251.193.70^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-326.awsdns-40.com`
NS	`ns4.eastman.com`
		A	2600:9000:5305:4200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1346.awsdns-40.org`
		A	205.251.197.66^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1346.awsdns-40.org`
TXT	`v=dkim1; p=`
TXT	`v=spf1 -all`
SOA	`ns1.eastman.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

cerfistechnology.com

DNS History

22 records (8 active, 14 former)

●NSns1.eastman.com2015-06-19 → 2026-02-25 · 5 obs

● 2015-06-19 22:03:42
● 2016-04-26 00:05:14
○ 2017-01-01 03:28:10
● 2018-01-17 00:08:52
● 2026-02-25 07:09:36

●NSns2.eastman.com2015-06-19 → 2026-02-25 · 2 obs

● 2015-06-19 22:03:42
● 2026-02-25 07:09:36

●NSns3.eastman.com2017-01-01 → 2026-02-25 · 3 obs

○ 2016-04-26 00:05:14
● 2017-01-01 03:28:10
● 2026-02-25 07:09:36

●NSns4.eastman.com2026-02-16 → 2026-02-25 · 3 obs

○ 2018-01-17 00:08:52
● 2026-02-16 08:49:32
● 2026-02-25 07:09:36

●A13.226.209.1022026-02-19 → 2026-02-25 · 16 obs

○ 2026-02-16 08:49:32
○ 2026-02-18 23:47:28
● 2026-02-19 12:43:56
○ 2026-02-19 14:07:02
○ 2026-02-19 20:36:28
● 2026-02-20 11:10:22
○ 2026-02-20 13:09:42
○ 2026-02-20 13:43:52
● 2026-02-20 14:34:40
○ 2026-02-21 08:55:04
● 2026-02-21 10:44:12
○ 2026-02-21 14:55:08
○ 2026-02-22 18:17:42
● 2026-02-23 00:12:22
○ 2026-02-23 19:21:14
● 2026-02-25 07:09:36

●A13.226.209.352026-02-19 → 2026-02-25 · 16 obs

●A13.226.209.52026-02-19 → 2026-02-25 · 16 obs

●A13.226.209.862026-02-19 → 2026-02-25 · 16 obs

○A143.204.68.1002026-02-17 → 2026-02-23 · 20 obs

○ 2026-02-16 08:49:32
● 2026-02-17 00:43:08
● 2026-02-17 08:44:14
○ 2026-02-17 12:34:20
○ 2026-02-18 16:27:50
● 2026-02-18 22:12:12
● 2026-02-18 23:47:28
○ 2026-02-19 12:43:56
● 2026-02-19 14:07:02
○ 2026-02-19 20:36:28
○ 2026-02-20 14:34:40
● 2026-02-21 08:55:04
○ 2026-02-21 10:44:12
● 2026-02-21 14:55:08
● 2026-02-21 17:38:30
○ 2026-02-21 22:42:06
● 2026-02-22 18:17:42
○ 2026-02-23 00:12:22
● 2026-02-23 19:21:14
○ 2026-02-25 07:09:36

○A143.204.68.1022026-02-17 → 2026-02-23 · 20 obs

○A143.204.68.162026-02-17 → 2026-02-23 · 20 obs

○A143.204.68.822026-02-17 → 2026-02-23 · 20 obs

○A199.190.10.1372015-06-19 → 2018-01-17 · 4 obs

● 2015-06-19 22:03:42
● 2018-01-17 00:08:52
○ 2026-02-16 08:49:32
○ 2026-02-25 07:09:36

○A199.190.11.1372015-06-19 → 2018-01-17 · 4 obs

● 2015-06-19 22:03:42
● 2018-01-17 00:08:52
○ 2026-02-16 08:49:32
○ 2026-02-25 07:09:36

○A3.166.65.102026-02-16 → 2026-02-16 · 4 obs

○ 2018-01-17 00:08:52
● 2026-02-16 08:49:32
○ 2026-02-17 00:43:08
○ 2026-02-25 07:09:36

○A3.166.65.1042026-02-16 → 2026-02-16 · 4 obs

○ 2018-01-17 00:08:52
● 2026-02-16 08:49:32
○ 2026-02-17 00:43:08
○ 2026-02-25 07:09:36

○A3.166.65.1052026-02-16 → 2026-02-16 · 4 obs

○ 2018-01-17 00:08:52
● 2026-02-16 08:49:32
○ 2026-02-17 00:43:08
○ 2026-02-25 07:09:36

○A3.166.65.562026-02-16 → 2026-02-16 · 4 obs

○ 2018-01-17 00:08:52
● 2026-02-16 08:49:32
○ 2026-02-17 00:43:08
○ 2026-02-25 07:09:36

○A3.168.147.1002026-02-17 → 2026-02-21 · 14 obs

○ 2026-02-17 08:44:14
● 2026-02-17 12:34:20
● 2026-02-18 16:27:50
○ 2026-02-18 22:12:12
○ 2026-02-19 14:07:02
● 2026-02-19 20:36:28
○ 2026-02-20 11:10:22
● 2026-02-20 13:09:42
● 2026-02-20 13:43:52
○ 2026-02-20 14:34:40
○ 2026-02-21 17:38:30
● 2026-02-21 22:42:06
○ 2026-02-22 18:17:42
○ 2026-02-25 07:09:36

○A3.168.147.252026-02-17 → 2026-02-21 · 14 obs

○A3.168.147.32026-02-17 → 2026-02-21 · 14 obs

○A3.168.147.422026-02-17 → 2026-02-21 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cerfistechnology.com	ns1.eastman.com, ns2.eastman.com, ns4.eastman.com, ns3.eastman.com	-

✅ Authoritative Response

Server: 205.251.195.1

NS records: ns1.eastman.com, ns2.eastman.com, ns4.eastman.com, ns3.eastman.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cerfistechnology.com (unsigned zone)

⏱️ Timing

Total: 65ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.5, 13.226.209.35...`
NS	4	`ns1.eastman.com, ns2.eastman.com...`
TXT	2	`v=dkim1; p=, v=spf1 -all`
SOA	1	`ns1.eastman.com awsdns-hostmaster.amazon`