`classrmtest51.org`

DNSSEC	⚠️ Not signed
NS	`ns1-04.azure-dns.com` ⭐
		A	2603:1061:0:700::4^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
		A	13.107.236.4^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ip-13-107-236-4.defastlink.net`
NS	`ns2-04.azure-dns.net`
		A	2620:1ec:8ec:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
		A	150.171.21.4^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ip-150-171-21-4.defastlink.net`
NS	`ns3-04.azure-dns.org`
		A	2a01:111:4000:700::4^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-04.azure-dns.org`
		A	204.14.183.4^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ip-204-14-183-4.defastlink.net`
NS	`ns4-04.azure-dns.info`
		A	2620:1ec:bda:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
		A	208.84.5.4^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ip-208-84-5-4.defastlink.net`
TXT	`MS=ms72772296`
SOA	`ns1-04.azure-dns.com`azuredns-hostmaster@microsoft.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

classrmtest51.org

Similar names

classrmtest15.org

DNS History

4 records (4 active, 0 former)

●NSns1-04.azure-dns.com2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 13:21:00
● 2026-03-24 00:07:12

●NSns2-04.azure-dns.net2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 13:21:00
● 2026-03-24 00:07:12

●NSns3-04.azure-dns.org2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 13:21:00
● 2026-03-24 00:07:12

●NSns4-04.azure-dns.info2026-02-28 → 2026-03-24 · 2 obs

● 2026-02-28 13:21:00
● 2026-03-24 00:07:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
classrmtest51.org	ns3-04.azure-dns.org, ns2-04.azure-dns.net, ns4-04.azure-dns.info, ns1-04.azure-dns.com	2 records

✅ Authoritative Response

Server:208.84.5.4

NS records: ns3-04.azure-dns.org, ns2-04.azure-dns.net, ns4-04.azure-dns.info, ns1-04.azure-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classrmtest51.org (unsigned zone)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-04.azure-dns.com, ns2-04.azure-dns.net...`
TXT	1	`MS=ms72772296`
SOA	1	`ns1-04.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3-04.azure-dns.org, ns3-04.azure-dns.org)

Analysis

Name Servers

classrmtest51.org is delegated to four name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

classrmtest51.org at least partially shares name servers with other domains, for example hcflgov.org, rts.edu, navision.biz, xboxone.com.pa and onyxbox.net.

Host names with two IP numbers:

ns1-04.azure-dns.com points to: 2603:1061:0:700::4 and 13.107.236.4

ns4-04.azure-dns.info points to: 2620:1ec:bda:700::4 and 208.84.5.4

ns2-04.azure-dns.net points to: 2620:1ec:8ec:700::4 and 150.171.21.4

ns3-04.azure-dns.org points to: 2a01:111:4000:700::4 and 204.14.183.4

classrmtest51.org - robtex.com