`classroommasters.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

WOT: SAFE (30/100)

Same first word

classroommasters.com

DNS History

11 records (3 active, 8 former)

●NSns.buydomains.com2018-07-21 → 2026-03-23 · 3 obs

○ 2017-01-02 17:26:48
● 2018-07-21 12:42:20
● 2026-03-23 19:58:00

○NSns01.domaincontrol.com2015-06-23 → 2017-01-02 · 4 obs

● 2015-06-23 08:29:42
● 2017-01-02 17:26:48
○ 2018-07-21 12:42:20
○ 2026-03-23 19:58:00

○NSns02.domaincontrol.com2015-06-23 → 2017-01-02 · 4 obs

● 2015-06-23 08:29:42
● 2017-01-02 17:26:48
○ 2018-07-21 12:42:20
○ 2026-03-23 19:58:00

●NSthis-domain-for-sale.com2026-03-23 → 2026-03-23 · 2 obs

○ 2018-07-21 12:42:20
● 2026-03-23 19:58:00

○MXmailstore1.secureserver.net2015-06-23 → 2017-01-02 · 4 obs

● 2015-06-23 08:29:42
● 2017-01-02 17:26:48
○ 2018-07-21 12:42:20
○ 2026-03-23 19:58:00

○MXsmtp.secureserver.net2015-06-23 → 2017-01-02 · 4 obs

● 2015-06-23 08:29:42
● 2017-01-02 17:26:48
○ 2018-07-21 12:42:20
○ 2026-03-23 19:58:00

○A184.168.221.412017-01-02 → 2017-01-02 · 4 obs

○ 2016-04-22 23:13:48
● 2017-01-02 17:26:48
○ 2018-07-21 12:42:20
○ 2026-03-23 19:58:00

○A198.71.232.32016-02-02 → 2016-04-22 · 5 obs

○ 2015-11-04 12:09:34
● 2016-02-02 04:45:22
● 2016-04-22 23:13:48
○ 2017-01-02 17:26:48
○ 2026-03-23 19:58:00

●A207.148.248.1432018-07-21 → 2026-03-23 · 3 obs

○ 2017-01-02 17:26:48
● 2018-07-21 12:42:20
● 2026-03-23 19:58:00

○A50.63.202.802015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-23 08:29:42
● 2015-11-04 12:09:34
○ 2016-02-02 04:45:22
○ 2026-03-23 19:58:00

○A72.167.191.692015-06-23 → 2015-06-23 · 3 obs

● 2015-06-23 08:29:42
○ 2015-11-04 12:09:34
○ 2026-03-23 19:58:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classroommasters.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 classroommasters.com (unsigned zone)

⏱️ Timing

Total: 159ms | 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

classroommasters.com resolves to one IP number: 207.148.248.143.

Other host names, for instance licant.com, jackconrad.com, dailyseattle.com, ad7.www.varietyetc.com and paidgateway.com share IP numbers with classroommasters.com.

Name Servers

classroommasters.com's delegation uses two name servers: this-domain-for-sale.com and ns.buydomains.com.

classroommasters.com uses the same name server setup as other domains, such as sreaders.com, bankingsafety.com, stitchmode.com, iddco.com and compliantweb.com.

classroommasters.com shares name servers with other domains at least partially, for example wellnesssecured.com, privateer.net and beautifulministries.com.

Host names with a single IP number:

The host name this-domain-for-sale.com points to 52.20.26.87.

The host name 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.

classroommasters.com - robtex.com