techfun.cz - dns.ninja

techfun.cz

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1785786443

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.websupport.skns2.websupport.skns3.websupport.skMXmx10.websupport.skmx20.websupport.skA2a00:4b40:aaaa:2004::537.9.175.155
NSns1.websupport.sk2026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
NSns2.websupport.sk2026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
NSns3.websupport.sk2026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
MXmx10.websupport.sk2026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
MXmx20.websupport.sk2026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
A2a00:4b40:aaaa:2004::52026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36
A37.9.175.1552026-07-07 → 2026-08-03 · 2 obs
● 2026-07-07 11:51:48
● 2026-08-03 20:26:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz-
techfun.czns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk-

✅ Authoritative Response

Server:45.10.97.11

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: 621ms | Queries: -

📄 Records

TypeCountSample Data
A137.9.175.155
AAAA12a00:4b40:aaaa:2004::5
NS3ns1.websupport.sk, ns2.websupport.sk...
MX2mx10.websupport.sk (pri: 10), mx20.websupport.sk (pri: 100)
TXT3v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo...
SOA1ns1.websupport.sk admin.websupport.sk

Analysis

IP Addresses

techfun.cz resolves to the IP addresses 37.9.175.155 and 2a00:4b40:aaaa:2004::5

Additional host names — biobazen.sk, *.euromesto.com, adriale-invest.at and two others — share IP numbers with techfun.cz.

Name Servers

DNS for techfun.cz is handled by three authoritative name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

techfun.cz has at least partial name server overlap with other domains, such as akdudas.sk, alkp.sk, elektro-projekty.sk and two others.

It is common to see these name servers used together with name servers ns1.websupport.cz and ns2.websupport.cz.

Three hostnames — ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk — each have two IP addresses: ns1.websupport.sk has 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.sk has 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.sk has 45.10.97.13 and 2a10:bbc0::13.

Mail Servers

techfun.cz has two mail servers: mx10.websupport.sk and mx20.websupport.sk.

techfun.cz shares the same mail server setup as other domains, including tibormodel.com, icsgroup.sk, rekordy.sk and two others.

mx10.websupport.sk directs to 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:110. mx20.websupport.sk directs to 45.13.137.109 and 2a00:4b40:aaaa:2101:45:13:137:109. Each host name carries two IP addresses.