mastersofmaster.com - robtex.com
mastersofmaster.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.9.175.21🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.sk ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| NS | ns2.websupport.sk | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.sk | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mailin1.mastersofmaster.com ⭐ | ||||||
| A | 37.9.169.111🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-7.websupport.sk | ||||||
| MX | mailin2.mastersofmaster.com(100) | ||||||
| A | 37.9.169.112🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.168.0/21 Websupport, s.r.o. | ||||||
| PTR | mail-proxymxphy-6.websupport.sk | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.sk ?all | ||||||
| TXT | spf2.0/pra a mx include:_sid.websupport.sk ?all | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1596019691 | ||||||
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=1788491045 | ||||||
Subdomains
Same first word
mastersofmaster.com |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSns1.websupport.sk2018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
●NSns2.websupport.sk2018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
●NSns3.websupport.sk2018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
●MXmailin1.mastersofmaster.com2018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
●MXmailin2.mastersofmaster.com2018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
●A37.9.175.212018-05-12 → 2026-09-04 · 2 obs
● 2026-09-04 03:13:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| mastersofmaster.com | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastersofmaster.com (unsigned zone)
⏱️ Timing
Total: 434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.21 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mailin1.mastersofmaster.com (pri: 10), mailin2.mastersofmaster.com (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.websupport.sk ?, spf2.0/pra a mx include:_sid.websupport. |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
Hierarchy
mastersofmaster.com serves as the parent of mailin2.mastersofmaster.com and mailin1.mastersofmaster.com.
IP Addresses
mastersofmaster.com has exactly one IP address — 37.9.175.21.
digitalnabezpecnost.sk, legras.sk, gamesacademy.cz plus two other host names have IP numbers in common with mastersofmaster.com.
Name Servers
mastersofmaster.com is served by three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
mastersofmaster.com partially shares its NS delegation with several other domains, including heal-thy-relationships.com, richardmuller.cz, maranelloservis.sk and two others.
These name servers are regularly seen alongside ns1.websupport.cz and ns2.websupport.cz as name servers.
The hostnames ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk each direct to two IP addresses — ns1.websupport.sk to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.sk to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.sk to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
mastersofmaster.com uses two mail servers, mailin1.mastersofmaster.com and mailin2.mastersofmaster.com.
mailin1.mastersofmaster.com resolves to 37.9.169.111. mailin2.mastersofmaster.com resolves to 37.9.169.112. Both host names point to a single IP number.