`thisclassroom.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.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=1771291435

Same first word

thisclassroom.com

DNS History

4 records (3 active, 1 former)

●NSns.buydomains.com2026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 13:49:38

●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 13:49:38

●A207.148.248.1432015-10-19 → 2026-03-23 · 3 obs

○ 2015-05-28 17:19:38
● 2015-10-19 08:55:56
● 2026-03-23 13:49:38

○A66.151.181.492015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 17:19:38
○ 2015-10-19 08:55:56
○ 2026-03-23 13:49:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...	-
thisclassroom.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thisclassroom.com (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

thisclassroom.com points to a single IP number: 207.148.248.143.

Other host names, for instance dbquery.com, conmom.com, splendel.com, lastingtreasure.com and mail.idealpolicy.com share IP numbers with thisclassroom.com.

Name Servers

thisclassroom.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

thisclassroom.com uses the same name server setup as other domains, for instance newcompetition.com, ipconsulting.net, itformat.com, townnation.com and fkkweb.com.

thisclassroom.com at least partially shares name servers with other domains, such as aircrafthunters.com and impeccableleadership.com and 222389.com.

Host names with a single IP number:

this-domain-for-sale.com points to 52.20.26.87.

ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

thisclassroom.com - robtex.com