`groupclasses.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

groupclasses.com

DNS History

6 records (3 active, 3 former)

●NSns.buydomains.com2015-10-28 → 2026-03-24 · 2 obs

● 2015-10-28 13:27:44
● 2026-03-24 02:17:20

●NSthis-domain-for-sale.com2026-03-13 → 2026-03-24 · 3 obs

○ 2015-10-28 13:27:44
● 2026-03-13 07:52:26
● 2026-03-24 02:17:20

○A141.8.225.1242016-01-15 → 2016-11-09 · 5 obs

○ 2015-10-28 13:27:44
● 2016-01-15 21:12:12
● 2016-11-09 05:45:30
○ 2017-04-21 01:56:36
○ 2026-03-24 02:17:20

●A207.148.248.1432017-04-21 → 2026-03-24 · 3 obs

○ 2016-11-09 05:45:30
● 2017-04-21 01:56:36
● 2026-03-24 02:17:20

○A50.63.202.1042015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-20 21:28:46
● 2015-10-28 13:27:44
○ 2016-01-15 21:12:12
○ 2026-03-24 02:17:20

○A66.151.181.492015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 21:28:46
○ 2015-10-28 13:27:44
○ 2026-03-24 02:17:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
groupclasses.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groupclasses.com (unsigned zone)

⏱️ Timing

Total: 768ms | 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

groupclasses.com points to a single IP: 207.148.248.143.

Other host names, for instance vehicletechnicians.com, remarkablesongs.com, beachheavens.com, mosaicfarm.com and beautywebinar.com share IP numbers with groupclasses.com.

Name Servers

Two name servers this-domain-for-sale.com and ns.buydomains.com handle delegation for groupclasses.com.

groupclasses.com uses the same name server setup as other domains, for example gpsalliance.com, aidenweb.com, initiatemarketing.com, virtualnook.com and sunnings.com.

groupclasses.com shares name servers with other domains at least partially, for instance wolaf.com, chemfarm.com and thetruthaboutcars.org.

Host names with one IP number

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

Host name ns.buydomains.com points to 52.20.26.87

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

groupclasses.com - robtex.com