grammasters.com - robtex.com
grammasters.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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
grammasters.com |
Similar names
DNS History
8 records (3 active, 5 former)
●NSns.buydomains.com2026-03-11 → 2026-03-23 · 3 obs
● 2026-03-11 23:58:10
● 2026-03-23 15:10:50
○NSns1.namebrightdns.com2017-01-03 → 2017-12-23 · 4 obs
● 2017-12-23 00:17:50
○ 2026-03-11 23:58:10
○ 2026-03-23 15:10:50
○NSns2.namebrightdns.com2017-01-03 → 2017-12-23 · 4 obs
● 2017-12-23 00:17:50
○ 2026-03-11 23:58:10
○ 2026-03-23 15:10:50
●NSthis-domain-for-sale.com2026-03-11 → 2026-03-23 · 3 obs
● 2026-03-11 23:58:10
● 2026-03-23 15:10:50
●A207.148.248.1432026-03-11 → 2026-03-23 · 3 obs
● 2026-03-11 23:58:10
● 2026-03-23 15:10:50
○A54.84.53.382017-01-03 → 2017-01-03 · 3 obs
○ 2017-12-23 00:17:50
○ 2026-03-23 15:10:50
○A54.88.107.1402017-01-03 → 2017-01-03 · 3 obs
○ 2017-12-23 00:17:50
○ 2026-03-23 15:10:50
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-03 → 2017-12-23 · 4 obs
● 2017-12-23 00:17:50
○ 2026-03-11 23:58:10
○ 2026-03-23 15:10:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| grammasters.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 grammasters.com (unsigned zone)
⏱️ Timing
Total: 4550ms | 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
grammasters.com points to a single IP: 207.148.248.143.
Other host names, for instance petobservations.com, thezan.com, atbits.com, metabolicpathway.com and heunisch.com share IP numbers with grammasters.com.
Name Servers
grammasters.com's delegation is to two name servers this-domain-for-sale.com and ns.buydomains.com.
grammasters.com shares the same name server configuration as other domains, such as ibob.org, quicklylose.com, attorneysnyc.com, rosemaryclark.com and hotelsmarketing.com.
grammasters.com shares name servers with other domains at least partially, for instance modmarkets.com, thebakedlife.com and tunisianart.com.
These name servers are often used together with the name servers ns2.buydomains.com.
Host names with one IP number: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.