`gradmaster.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

gradmaster.ru

gradmaster.com

Similar names

DNS History

5 records (3 active, 2 former)

●NSns.buydomains.com2015-08-20 → 2026-03-23 · 2 obs

● 2015-08-20 00:58:14
● 2026-03-23 13:52:42

●NSthis-domain-for-sale.com2026-02-19 → 2026-03-23 · 3 obs

○ 2015-08-20 00:58:14
● 2026-02-19 16:28:50
● 2026-03-23 13:52:42

○A141.8.225.1242015-12-08 → 2016-07-10 · 5 obs

○ 2015-08-20 00:58:14
● 2015-12-08 07:43:08
● 2016-07-10 08:05:52
○ 2017-04-18 21:54:50
○ 2026-03-23 13:52:42

●A207.148.248.1432017-04-18 → 2026-03-23 · 3 obs

○ 2016-07-10 08:05:52
● 2017-04-18 21:54:50
● 2026-03-23 13:52:42

○A50.63.202.1042015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 00:58:14
○ 2015-12-08 07:43:08
○ 2026-03-23 13:52:42

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 198ms | 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

gradmaster.com resolves to a single IP address: 207.148.248.143.

Other host names including nixx.net, antiquesplace.com, hostmaster.artacces.com, interiorfurnitures.com and static.netzoning.com share IP numbers with gradmaster.com.

Name Servers

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

gradmaster.com shares the same name server setup as other domains, for example skinmiracles.com, factoryfacts.com, gesno.com, kinderfreunde.com and luxuriouslandscaping.com.

Host names with a single IP:

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

- 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

gradmaster.com - robtex.com

gradmaster.com

com