seraftechnology.cz - robtex.com
seraftechnology.cz
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=1781948837 | ||||||
Same first word
seraftechnology.sk |
seraftechnology.cz |
DNS History
7 records (7 active, 0 former)
●NSns1.websupport.sk2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●NSns2.websupport.sk2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●NSns3.websupport.sk2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●MXmx10.websupport.sk2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●MXmx20.websupport.sk2026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●A2a00:4b40:aaaa:2009::52026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
●A37.9.175.1972026-06-10 → 2026-06-20 · 2 obs
● 2026-06-20 10:45:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| seraftechnology.cz | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.197 |
| AAAA | 1 | 2a00:4b40:aaaa:2009::5 |
| NS | 3 | ns1.websupport.sk, ns2.websupport.sk... |
| MX | 2 | mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100) |
| TXT | 2 | v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo |
| SOA | 1 | ns1.websupport.sk admin.websupport.sk |
Analysis
IP Addresses
seraftechnology.cz has two IP addresses: 37.9.175.197 and 2a00:4b40:aaaa:2009::5
vhdiagnostics.com, alcatraz.sk, zasadni.sk plus two other host names have IP numbers in common with seraftechnology.cz.
Name Servers
The authoritative name servers for seraftechnology.cz are ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — three in total.
There is at least partial name server overlap between seraftechnology.cz and other domains — beckersro.sk, bubufabrics.it, refys.sk and two more among them.
ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk all resolve to exactly two IP numbers apiece: ns1.websupport.sk → 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.sk → 185.71.159.12 and 2a02:250:3::12; ns3.websupport.sk → 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
seraftechnology.cz uses two mail servers, mx10.websupport.sk and mx20.websupport.sk.
The mail server setup of seraftechnology.cz matches that of other domains such as ortv.sk, ledprofiles.sk, usmivej.se and two others.
Some mail servers of seraftechnology.cz are also used by other domains, notably recepcia-online.sk and secure5.net.
The two host names mx10.websupport.sk and mx20.websupport.sk each have a pair of IP addresses: mx10.websupport.sk has 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110, and mx20.websupport.sk has 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109.