`grammarmastery.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

grammarmastery.in

grammarmastery.com

DNS History

7 records (3 active, 4 former)

●NSns.buydomains.com2026-02-28 → 2026-03-23 · 3 obs

○ 2017-06-25 16:46:30
● 2026-02-28 14:25:26
● 2026-03-23 14:36:04

○NSns57.domaincontrol.com2016-11-19 → 2017-06-25 · 4 obs

● 2016-11-19 07:18:30
● 2017-06-25 16:46:30
○ 2026-02-28 14:25:26
○ 2026-03-23 14:36:04

○NSns58.domaincontrol.com2016-11-19 → 2017-06-25 · 4 obs

● 2016-11-19 07:18:30
● 2017-06-25 16:46:30
○ 2026-02-28 14:25:26
○ 2026-03-23 14:36:04

●NSthis-domain-for-sale.com2026-02-28 → 2026-03-23 · 3 obs

○ 2017-06-25 16:46:30
● 2026-02-28 14:25:26
● 2026-03-23 14:36:04

○MXmail.grammarmastery.com2016-11-19 → 2017-06-25 · 4 obs

● 2016-11-19 07:18:30
● 2017-06-25 16:46:30
○ 2026-02-28 14:25:26
○ 2026-03-23 14:36:04

○A160.153.129.2272016-11-19 → 2017-06-25 · 4 obs

● 2016-11-19 07:18:30
● 2017-06-25 16:46:30
○ 2026-02-28 14:25:26
○ 2026-03-23 14:36:04

●A207.148.248.1432026-02-28 → 2026-03-23 · 3 obs

○ 2017-06-25 16:46:30
● 2026-02-28 14:25:26
● 2026-03-23 14:36:04

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 4820ms | 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

grammarmastery.com points to a single IP: 207.148.248.143.

Other host names, for instance mhsearch.com, celebritythoughts.com, mrldesigns.com, hostmaster.productionbiz.com and cleverrecruiting.com share IP numbers with grammarmastery.com.

Name Servers

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

grammarmastery.com uses the same name server setup as other domains, for example latinsplash.com, getyourmobile.com, mmmexpress.com, etaa.net and arbitrarydesign.com.

grammarmastery.com shares name servers with other domains at least partially, for instance mallradio.com, gardeningadvantage.com and universalparalegals.com.

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

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

grammarmastery.com - robtex.com