michaelajan.cz - robtex.com
michaelajan.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:4b40:aaaa:2011::6🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.212🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| 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.cz | ||||||
| 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 | ||||||
| NS | ns3.websupport.eu | ||||||
| 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 | mx10.active24.cz ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:85🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.85🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| MX | mx20.active24.cz(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:86🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.86🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| TXT | v=spf1 a mx include:_spf.websupport.cz -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1780996377 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1784609243 | ||||||
Same first word
michaelajan.cz |
DNS History
7 records (7 active, 0 former)
●NSns1.websupport.cz2026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●NSns2.websupport.cz2026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●NSns3.websupport.eu2026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●MXmx10.active24.cz2026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●MXmx20.active24.cz2026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●A2a00:4b40:aaaa:2011::62026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
●A37.9.175.2122026-06-24 → 2026-07-21 · 2 obs
● 2026-07-21 06:10:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| michaelajan.cz | ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns2.websupport.cz, ns3.websupport.eu, ns1.websupport.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1068ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.212 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::6 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx10.active24.cz (pri: 10), mx20.active24.cz (pri: 100) |
| TXT | 1 | v=spf1 a mx include:_spf.websupport.cz - |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
michaelajan.cz points to the IP addresses 37.9.175.212 and 2a00:4b40:aaaa:2011::6
letameproradost.cz, napivko.cz, www.pocztapneumatyczna.pl plus two other host names have IP numbers in common with michaelajan.cz.
Name Servers
michaelajan.cz has three name servers — ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
At least some of michaelajan.cz's name servers are shared with other domains, for example xk.cz, healthfactory.at, harlekyn.eu and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
Each of ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu points to two IP numbers. ns1.websupport.cz points to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz points to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu points to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
michaelajan.cz uses two mail servers, mx10.active24.cz and mx20.active24.cz.
The mail server setup of michaelajan.cz matches that of other domains such as (0x736578)even.com, alarmkk.cz, matold.cz and two others.
At least a portion of michaelajan.cz's mail servers are shared with other domains, among them almeo.cz and goldo.cz.
Both mx10.active24.cz and mx20.active24.cz have two IP addresses each. mx10.active24.cz resolves to 45.13.137.85 and 2a00:4b40:aaaa:2101:45:13:137:85; mx20.active24.cz resolves to 45.13.137.86 and 2a00:4b40:aaaa:2101:45:13:137:86.