masrt.com - robtex.com
masrt.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
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.websupport.cz2026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●NSns2.websupport.cz2026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●NSns3.websupport.eu2026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●MXmx10.active24.cz2026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●MXmx20.active24.cz2026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●A2a00:4b40:aaaa:2005::52026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
●A37.9.175.1652026-02-21 → 2026-03-15 · 2 obs
● 2026-03-15 16:17:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| masrt.com | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server: 185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 760ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.165 |
| AAAA | 1 | 2a00:4b40:aaaa:2005::5 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.websupport.cz i, spf2.0/pra a mx include:_sid.websupport. |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
masrt.com resolves to two IP numbers: 2a00:4b40:aaaa:2005::5 and 37.9.175.165.
other host names including mail.smt-praha.com, aftercare.cz, fastman92.com, miaclub.cz and intasky.sk share IP numbers with masrt.com.
Name Servers
masrt.com is delegated to three name servers ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
masrt.com at least partially shares name servers with other domains, for instance louver.info, infonet.as, oyx.cz, celtic-supply.cz and rytmus.org.
Host names with two IP numbers:
ns1.websupport.cz points to: 2a10:bbc0::11 and 45.10.97.11.
ns2.websupport.cz points to: 2a02:250:3::12 and 185.71.159.12.
ns3.websupport.eu points to: 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
Two mail servers handle masrt.com: mx10.active24.cz and mx20.active24.cz.
masrt.com shares the same mail server setup as other domains, for instance byam.cz, cksen.cz, kusak.eu, hoferdental.cz and i-msa.cz.
masrt.com shares some mail servers with other domains, at least partially, for instance a-royal.cz, dachmh.cz, jezat.cz, em-polar.cz and elbarrio.cz.
Host names with two IP numbers:
The host name mx10.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:85 and 45.13.137.85; the host name mx20.active24.cz points to 2a00:4b40:aaaa:2101:45:13:137:86 and 45.13.137.86.