masteru.com - dns.ninja
masteru.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=1786070374 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns41.domaincontrol.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●NSns42.domaincontrol.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●MXalt1.aspmx.l.google.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●MXaspmx.l.google.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●MXaspmx2.googlemail.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●MXaspmx3.googlemail.com2015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
●A91.223.141.262015-04-09 → 2026-08-07 · 2 obs
● 2026-08-07 02:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net... | - |
| masteru.com | ns41.domaincontrol.com, ns42.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.100.21
NS records: ns41.domaincontrol.com, ns42.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masteru.com (unsigned zone)
⏱️ Timing
Total: 326ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.223.141.26 |
| NS | 2 | ns41.domaincontrol.com, ns42.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt1.aspmx.l.google.com (pri: 30)... |
| SOA | 1 | ns41.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)
Analysis
IP Addresses
masteru.com resolves to one IP address: 91.223.141.26.
Name Servers
masteru.com uses two name servers for its delegation: ns41.domaincontrol.com and ns42.domaincontrol.com.
masteru.com uses the same name servers as several other domains — among them nigerianforum.net, mayssa.ca, bottlescrewbills.com and two more.
At least some of masteru.com's name servers are also used by other domains, among them familydentistwaukesha.com.
The two host names ns41.domaincontrol.com and ns42.domaincontrol.com each have a pair of IP addresses: ns41.domaincontrol.com has 97.74.100.21 and 2603:5:2142::15, and ns42.domaincontrol.com has 173.201.68.21 and 2603:5:2242::15.
Mail Servers
Mail for masteru.com is handled by four mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and alt1.aspmx.l.google.com.
masteru.com has at least partial mail server overlap with other domains such as skzt.sk, ns500693.ns500699.ns500699.ns500699.ns500693.ns500588.ns500693.ns500693.ns500699.ns500683.ns500683.ns500588.ns500632.ns500632.ns500632.ns500612.dtrkdll.com, ns500794.ns500841.ns500795.ns500795.ns500821.ns500795.ns500795.ns500794.ns500795.lustypartnersfinder.com and two more.
These mail servers commonly appear together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and two other mail servers.
All four hostnames — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and alt1.aspmx.l.google.com — resolve to two IP numbers apiece: aspmx2.googlemail.com to 108.177.123.27 and 2800:3f0:4003:c0f::1a; aspmx3.googlemail.com to 172.253.116.26 and 2a00:1450:400b:c02::1a; aspmx.l.google.com to 142.251.163.26 and 2607:f8b0:4004:c0b::1a; alt1.aspmx.l.google.com to 108.177.123.26 and 2800:3f0:4003:c0f::1b.