decoder.cz - dns.ninja

decoder.cz

cz

DNSSECπŸ”’ 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=1784459842

Subdomains

Same first word

Similar names

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.websupport.czns2.websupport.czns3.websupport.eualfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXmailin1.decoder.czmailin2.decoder.czin.smtp.czmx.smtp.czmx1.active24.commx2.active24.comA75.2.70.7599.83.190.1022a02:4a8:ac24:104::98:15981.95.98.159
β—‹NSalfa.ns.active24.cz2015-07-17 β†’ 2026-03-31 Β· 4 obs
● 2015-07-17 05:00:16
● 2026-03-31 17:58:44
β—‹ 2026-04-04 18:16:58
β—‹ 2026-07-19 11:45:06
β—‹NSbeta.ns.active24.cz2015-07-17 β†’ 2026-03-31 Β· 4 obs
● 2015-07-17 05:00:16
● 2026-03-31 17:58:44
β—‹ 2026-04-04 18:16:58
β—‹ 2026-07-19 11:45:06
β—‹NSgama.ns.active24.sk2015-07-17 β†’ 2026-03-31 Β· 4 obs
● 2015-07-17 05:00:16
● 2026-03-31 17:58:44
β—‹ 2026-04-04 18:16:58
β—‹ 2026-07-19 11:45:06
●NSns1.websupport.cz2026-04-04 β†’ 2026-07-19 Β· 3 obs
β—‹ 2026-03-31 17:58:44
● 2026-04-04 18:16:58
● 2026-07-19 11:45:06
●NSns2.websupport.cz2026-04-04 β†’ 2026-07-19 Β· 3 obs
β—‹ 2026-03-31 17:58:44
● 2026-04-04 18:16:58
● 2026-07-19 11:45:06
●NSns3.websupport.eu2026-04-04 β†’ 2026-07-19 Β· 3 obs
β—‹ 2026-03-31 17:58:44
● 2026-04-04 18:16:58
● 2026-07-19 11:45:06
β—‹MXin.smtp.cz2015-07-17 β†’ 2017-01-02 Β· 4 obs
● 2015-07-17 05:00:16
● 2017-01-02 22:08:42
β—‹ 2017-11-24 17:21:18
β—‹ 2026-07-19 11:45:06
●MXmailin1.decoder.cz2026-04-04 β†’ 2026-07-19 Β· 3 obs
β—‹ 2026-03-31 17:58:44
● 2026-04-04 18:16:58
● 2026-07-19 11:45:06
●MXmailin2.decoder.cz2026-04-04 β†’ 2026-07-19 Β· 3 obs
β—‹ 2026-03-31 17:58:44
● 2026-04-04 18:16:58
● 2026-07-19 11:45:06
β—‹MXmx.smtp.cz2015-07-17 β†’ 2017-01-02 Β· 4 obs
● 2015-07-17 05:00:16
● 2017-01-02 22:08:42
β—‹ 2017-11-24 17:21:18
β—‹ 2026-07-19 11:45:06
β—‹MXmx1.active24.com2017-11-24 β†’ 2026-03-31 Β· 5 obs
β—‹ 2017-01-02 22:08:42
● 2017-11-24 17:21:18
● 2026-03-31 17:58:44
β—‹ 2026-04-04 18:16:58
β—‹ 2026-07-19 11:45:06
β—‹MXmx2.active24.com2017-11-24 β†’ 2026-03-31 Β· 5 obs
β—‹ 2017-01-02 22:08:42
● 2017-11-24 17:21:18
● 2026-03-31 17:58:44
β—‹ 2026-04-04 18:16:58
β—‹ 2026-07-19 11:45:06
β—‹A2a02:4a8:ac24:104::98:1592015-07-17 β†’ 2017-11-24 Β· 4 obs
● 2015-07-17 05:00:16
● 2017-11-24 17:21:18
β—‹ 2026-03-31 12:16:54
β—‹ 2026-07-19 11:45:06
●A75.2.70.752026-03-31 β†’ 2026-07-19 Β· 3 obs
β—‹ 2017-11-24 17:21:18
● 2026-03-31 12:16:54
● 2026-07-19 11:45:06
β—‹A81.95.98.1592015-07-17 β†’ 2017-11-24 Β· 4 obs
● 2015-07-17 05:00:16
● 2017-11-24 17:21:18
β—‹ 2026-03-31 12:16:54
β—‹ 2026-07-19 11:45:06
●A99.83.190.1022026-03-31 β†’ 2026-07-19 Β· 3 obs
β—‹ 2017-11-24 17:21:18
● 2026-03-31 12:16:54
● 2026-07-19 11:45:06

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
decoder.czns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu-

βœ… Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 923ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A275.2.70.75, 99.83.190.102
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2mailin1.decoder.cz (pri: 10), mailin2.decoder.cz (pri: 100)
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

Hierarchy

The domain decoder.cz is parent to mailin1.decoder.cz, mailin2.decoder.cz and www.decoder.cz.

IP Addresses

decoder.cz has two IP addresses: 75.2.70.75 and 99.83.190.102

karenjo.com, superbrass.co.uk, obi.gg plus two other host names have IP numbers in common with decoder.cz.

Name Servers

Three name servers are authoritative for decoder.cz: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

At least some of decoder.cz's name servers are shared with other domains, for example garden-technik.cz, happy-pet.cz, makra.cz and two more.

ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11. ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12. ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13. All three hostnames point to two IP numbers each.

Mail Servers

decoder.cz uses two mail servers, mailin1.decoder.cz and mailin2.decoder.cz.

Each of the two host names carries two IP addresses: mailin1.decoder.cz points to 45.13.137.9 and 2a00:4b40:aaaa:2101:45:13:137:85, and mailin2.decoder.cz points to 45.13.137.111 and 2a00:4b40:aaaa:2101:45:13:137:110.