`masterclassservices.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

masterclassservices.com

DNS History

10 records (3 active, 7 former)

●NSns.buydomains.com2026-02-21 → 2026-03-24 · 3 obs

○ 2018-08-26 01:22:28
● 2026-02-21 13:19:44
● 2026-03-24 02:12:42

○NSns2.whois.com2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 00:36:26
○ 2015-11-04 12:59:52
○ 2026-03-24 02:12:42

○NSns71.domaincontrol.com2016-04-21 → 2018-08-26 · 5 obs

○ 2015-11-04 12:59:52
● 2016-04-21 03:25:30
● 2018-08-26 01:22:28
○ 2026-02-21 13:19:44
○ 2026-03-24 02:12:42

○NSns72.domaincontrol.com2016-04-21 → 2018-08-26 · 5 obs

○ 2015-11-04 12:59:52
● 2016-04-21 03:25:30
● 2018-08-26 01:22:28
○ 2026-02-21 13:19:44
○ 2026-03-24 02:12:42

●NSthis-domain-for-sale.com2026-02-21 → 2026-03-24 · 3 obs

○ 2018-08-26 01:22:28
● 2026-02-21 13:19:44
● 2026-03-24 02:12:42

○MXmailstore1.secureserver.net2016-04-21 → 2018-08-26 · 4 obs

● 2016-04-21 03:25:30
● 2018-08-26 01:22:28
○ 2026-02-21 13:19:44
○ 2026-03-24 02:12:42

○MXsmtp.secureserver.net2016-04-21 → 2018-08-26 · 4 obs

● 2016-04-21 03:25:30
● 2018-08-26 01:22:28
○ 2026-02-21 13:19:44
○ 2026-03-24 02:12:42

○A184.168.221.852016-04-21 → 2018-08-26 · 5 obs

○ 2015-11-04 12:59:52
● 2016-04-21 03:25:30
● 2018-08-26 01:22:28
○ 2026-02-21 13:19:44
○ 2026-03-24 02:12:42

●A207.148.248.1432026-02-21 → 2026-03-24 · 3 obs

○ 2018-08-26 01:22:28
● 2026-02-21 13:19:44
● 2026-03-24 02:12:42

○A69.16.192.642015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 00:36:26
○ 2015-11-04 12:59:52
○ 2026-03-24 02:12:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
masterclassservices.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 masterclassservices.com (unsigned zone)

⏱️ Timing

Total: 1376ms | 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

masterclassservices.com maps to IP address 207.148.248.143.

Other host names, for instance graka.com, gameknack.com, lovelyteacher.com, mcguirecommunications.com and maxrival.com share IP numbers with masterclassservices.com.

Name Servers

Two name servers this-domain-for-sale.com and ns.buydomains.com are delegated to masterclassservices.com.

masterclassservices.com uses the same name server configuration as other domains, such as icorrected.com, barspecialist.com, interassist.com, engcivil.com and youractivities.com.

masterclassservices.com shares name servers with other domains at least partially, for instance izacu.com, livelyprints.com, echoesintime.com and lpspw.com.

these name servers are commonly used with the name servers ns2.buydomains.com.

Hostnames with one IP number:

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

ns.buydomains.com points to 52.20.26.87

Hostnames pointing to 52.20.26.87: this-domain-for-sale.com, ns.buydomains.com

masterclassservices.com - robtex.com