`citadel-e-learning.com`

DNSSEC	⚠️ Not signed
NS	`ns-423.awsdns-52.com` ⭐
		A	2600:9000:5301:a700::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-423.awsdns-52.com`
		A	205.251.193.167^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-423.awsdns-52.com`
NS	`ns-1032.awsdns-01.org`
		A	2600:9000:5304:800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1032.awsdns-01.org`
		A	205.251.196.8^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1032.awsdns-01.org`
NS	`ns-1895.awsdns-44.co.uk`
		A	2600:9000:5307:6700::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1895.awsdns-44.co.uk`
		A	205.251.199.103^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1895.awsdns-44.co.uk`
NS	`ns-517.awsdns-00.net`
		A	2600:9000:5302:500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-517.awsdns-00.net`
		A	205.251.194.5^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-517.awsdns-00.net`
SOA	`ns-423.awsdns-52.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=1774743127

Same first word

citadel-e-learning.com

DNS History

11 records (4 active, 7 former)

●NSns-1032.awsdns-01.org2016-12-03 → 2026-03-29 · 3 obs

○ 2016-04-15 11:21:16
● 2016-12-03 02:05:42
● 2026-03-29 00:25:22

●NSns-1895.awsdns-44.co.uk2016-12-03 → 2026-03-29 · 3 obs

○ 2016-04-15 11:21:16
● 2016-12-03 02:05:42
● 2026-03-29 00:25:22

●NSns-423.awsdns-52.com2016-12-03 → 2026-03-29 · 3 obs

○ 2016-04-15 11:21:16
● 2016-12-03 02:05:42
● 2026-03-29 00:25:22

●NSns-517.awsdns-00.net2016-12-03 → 2026-03-29 · 3 obs

○ 2016-04-15 11:21:16
● 2016-12-03 02:05:42
● 2026-03-29 00:25:22

○NSns6.inflow.net2015-06-22 → 2015-10-29 · 5 obs

○ 2008-03-14 22:42:38
● 2015-06-22 10:59:38
● 2015-10-29 18:57:56
○ 2016-01-18 16:53:18
○ 2026-03-29 00:25:22

○NSpdns138.ultradns.biz2016-01-18 → 2016-04-15 · 5 obs

○ 2015-10-29 18:57:56
● 2016-01-18 16:53:18
● 2016-04-15 11:21:16
○ 2016-12-03 02:05:42
○ 2026-03-29 00:25:22

○NSpdns138.ultradns.com2016-01-18 → 2016-04-15 · 5 obs

○ 2015-10-29 18:57:56
● 2016-01-18 16:53:18
● 2016-04-15 11:21:16
○ 2016-12-03 02:05:42
○ 2026-03-29 00:25:22

○NSpdns138.ultradns.net2016-01-18 → 2016-04-15 · 5 obs

○ 2015-10-29 18:57:56
● 2016-01-18 16:53:18
● 2016-04-15 11:21:16
○ 2016-12-03 02:05:42
○ 2026-03-29 00:25:22

○NSpdns138.ultradns.org2016-01-18 → 2016-04-15 · 5 obs

○ 2015-10-29 18:57:56
● 2016-01-18 16:53:18
● 2016-04-15 11:21:16
○ 2016-12-03 02:05:42
○ 2026-03-29 00:25:22

○NSudns1.ultradns.net2008-03-14 → 2015-10-29 · 4 obs

● 2008-03-14 22:42:38
● 2015-10-29 18:57:56
○ 2016-01-18 16:53:18
○ 2026-03-29 00:25:22

○NSudns2.ultradns.net2008-03-14 → 2015-10-29 · 4 obs

● 2008-03-14 22:42:38
● 2015-10-29 18:57:56
○ 2016-01-18 16:53:18
○ 2026-03-29 00:25:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
citadel-e-learning.com	ns-517.awsdns-00.net, ns-423.awsdns-52.com, ns-1032.awsdns-01.org, ns-1895.awsdns-44.co.uk	1 record

✅ Authoritative Response

Server:205.251.199.103

NS records: ns-517.awsdns-00.net, ns-423.awsdns-52.com, ns-1032.awsdns-01.org, ns-1895.awsdns-44.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citadel-e-learning.com (unsigned zone)

⏱️ Timing

Total: 298ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1032.awsdns-01.org, ns-1895.awsdns-44.co.uk...`
SOA	1	`ns-423.awsdns-52.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-423.awsdns-52.com)

Analysis

Name Servers

citadel-e-learning.com is delegated to four name servers: ns-423.awsdns-52.com, ns-517.awsdns-00.net, ns-1032.awsdns-01.org and ns-1895.awsdns-44.co.uk.

citadel-e-learning.com at least partially shares name servers with other domains such as joelhoelting.com, tirecostore.com, d3d9uh9i6bytyw.cloudfront.net, valencianm.gov and pikul.go.th.

These name servers are commonly used alongside ns-705.awsdns-24.net, ns-1882.awsdns-43.co.uk and ns-1087.awsdns-07.org.

Host names with two IP numbers:

ns-423.awsdns-52.com points to 2600:9000:5301:a700::1 and 205.251.193.167

ns-517.awsdns-00.net points to 2600:9000:5302:500::1 and 205.251.194.5

ns-1032.awsdns-01.org points to 2600:9000:5304:800::1 and 205.251.196.8

ns-1895.awsdns-44.co.uk points to 2600:9000:5307:6700::1 and 205.251.199.103

citadel-e-learning.com - robtex.com