`classroomdomain.com`

DNSSEC	⚠️ Not signed
NS	`dns.tic.ab.ca` ⚠️ Not in zone NS records
		A	2607:ffb0:4002:198:161:220:127:0^{🇨🇦 ASN-SHAW2607:ffb0:4002::/48}
			PTR	`agate.hstone.com`
		A	2607:ffb0:4002:198:161:220:127:1^{🇨🇦 ASN-SHAW2607:ffb0:4002::/48}
			PTR	`agate.hstone.com`
		A	2607:ffb0:4002:198:161:220:127:2^{🇨🇦 ASN-SHAW2607:ffb0:4002::/48}
			PTR	`agate.hstone.com`
		A	2607:ffb0:4002:198:161:220:127:3^{🇨🇦 ASN-SHAW2607:ffb0:4002::/48}
			PTR	`agate.hstone.com`
		A	2607:ffb0:4002:198:161:220:127:4^{🇨🇦 ASN-SHAW2607:ffb0:4002::/48}
			PTR	`agate.hstone.com`
		A	198.161.220.127^{🇨🇦 ASN-SHAW198.161.220.0/24 The Internet Companion}
			PTR	`agate.hstone.com`
NS	`web.hstone.com` ⚠️ Not in zone NS records
		A	198.161.220.32^{🇨🇦 ASN-SHAW198.161.220.0/24 The Internet Companion}
			PTR	`web.hstone.com`

`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=1774546022

Same first word

classroomdomain.com

DNS History

2 records (2 active, 0 former)

●NSdns.tic.ab.ca2026-03-21 → 2026-03-26 · 2 obs

● 2026-03-21 10:24:54
● 2026-03-26 17:29:40

●NSweb.hstone.com2026-03-21 → 2026-03-26 · 2 obs

● 2026-03-21 10:24:54
● 2026-03-26 17:29:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
classroomdomain.com	dns.tic.ab.ca, web.hstone.com	1 record

✅ Authoritative Response

Server:198.161.220.127

NS records: dns.tic.ab.ca, web.hstone.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomdomain.com (unsigned zone)

⏱️ Timing

Total: 1110ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (web.hstone.com)

Analysis

Name Servers

classroomdomain.com's delegation uses two name servers, web.hstone.com and dns.tic.ab.ca.

classroomdomain.com shares the same name server setup as other domains, for example scleng.ca, 2.0.0.4.0.b.f.f.7.0.6.2.ip6.arpa, hiway13.com, norwoodchapter.ca and imup.ca.

classroomdomain.com shares some name servers with other domains, such as bookofthought.com, hstone.com, 220.161.198.in-addr.arpa and hstone.net.

These name servers are often used together with agate.hstone.com.

Host names with six IPs:

dns.tic.ab.ca points to: 2607:ffb0:4002:198:161:220:127:0, 2607:ffb0:4002:198:161:220:127:1, 2607:ffb0:4002:198:161:220:127:2, 2607:ffb0:4002:198:161:220:127:3, 2607:ffb0:4002:198:161:220:127:4 and 198.161.220.127

Host names with one IP:

web.hstone.com points to: 198.161.220.32

classroomdomain.com - robtex.com