ctrnactka.net - robtex.com

ctrnactka.net

DNSSEC⚠️ Not signed
A2001:880:0:15::3f1πŸ‡©πŸ‡ͺ ONE-NETWORK2001:880::/32
PTRdw338.webglobe.com
A185.102.21.41πŸ‡¨πŸ‡Ώ ONE-NETWORK185.102.21.0/24
NSns1.webglobe.cz ⭐ ⚠️ Not in parent delegation
A2a00:1e40:a:53::5πŸ‡ΈπŸ‡° IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35πŸ‡ΈπŸ‡° IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns.skok.cz ⚠️ Not in zone NS records
A2a00:1e40:a:53::5πŸ‡ΈπŸ‡° IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35πŸ‡ΈπŸ‡° IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns2.skok.cz ⚠️ Not in zone NS records
A2001:1ab0:7e1e:2::5πŸ‡¨πŸ‡Ώ IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201πŸ‡¨πŸ‡Ώ IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
NSns2.webglobe.cz ⚠️ Not in parent delegation
A2001:1ab0:7e1e:2::5πŸ‡¨πŸ‡Ώ IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201πŸ‡¨πŸ‡Ώ IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
NSns3.skokcz.eu ⚠️ Not in zone NS records
A2a03:b0c0:1:d0::1090:2001πŸ‡¬πŸ‡§ DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
PTRns3-lon.core.webglobe.com
A178.62.60.201πŸ‡¬πŸ‡§ DIGITALOCEAN178.62.0.0/18 DigitalOcean
PTRns3-lon.core.webglobe.com
NSns3.webglobe.com ⚠️ Not in parent delegation
A2a03:b0c0:1:d0::1090:2001πŸ‡¬πŸ‡§ DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
PTRns3-lon.core.webglobe.com
A178.62.60.201πŸ‡¬πŸ‡§ DIGITALOCEAN178.62.0.0/18 DigitalOcean
PTRns3-lon.core.webglobe.com
MXmx.skok.cz ⭐
A62.109.128.119πŸ‡¨πŸ‡Ώ IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRmx-lb.core.webglobe.com
MXmxbackup.skok.cz(20)
A62.109.128.119πŸ‡¨πŸ‡Ώ IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRmx-lb.core.webglobe.com
SOAns1.webglobe.czhostmaster@skok.cz 2026-04-15 #3

net

Subdomains

Same first word

DNS History

14 records (10 active, 4 former)

20162017201820192020202120222023202420252026NSns.skok.czns1.webglobe.czns2.skok.czns2.webglobe.czns3.skokcz.euns3.webglobe.comMXmx.skok.czmxbackup.skok.czA185.102.21.412001:880:0:15::3f1109.123.223.100178.238.36.72001:1528:181::223:1002a01:430:36:3::36:7
●NSns.skok.cz2015-05-18 β†’ 2026-04-15 Β· 2 obs
● 2015-05-18 09:27:02
● 2026-04-15 00:19:14
●NSns1.webglobe.cz2026-02-17 β†’ 2026-04-15 Β· 3 obs
β—‹ 2015-05-18 09:27:02
● 2026-02-17 02:32:20
● 2026-04-15 00:19:14
●NSns2.skok.cz2015-05-18 β†’ 2026-04-15 Β· 2 obs
● 2015-05-18 09:27:02
● 2026-04-15 00:19:14
●NSns2.webglobe.cz2026-02-17 β†’ 2026-04-15 Β· 3 obs
β—‹ 2015-05-18 09:27:02
● 2026-02-17 02:32:20
● 2026-04-15 00:19:14
●NSns3.skokcz.eu2015-05-18 β†’ 2026-04-15 Β· 2 obs
● 2015-05-18 09:27:02
● 2026-04-15 00:19:14
●NSns3.webglobe.com2026-02-17 β†’ 2026-04-15 Β· 3 obs
β—‹ 2015-05-18 09:27:02
● 2026-02-17 02:32:20
● 2026-04-15 00:19:14
●MXmx.skok.cz2015-05-18 β†’ 2026-04-15 Β· 2 obs
● 2015-05-18 09:27:02
● 2026-04-15 00:19:14
●MXmxbackup.skok.cz2015-05-18 β†’ 2026-04-15 Β· 2 obs
● 2015-05-18 09:27:02
● 2026-04-15 00:19:14
β—‹A109.123.223.1002015-05-18 β†’ 2017-04-18 Β· 4 obs
● 2015-05-18 09:27:02
● 2017-04-18 17:58:28
β—‹ 2026-02-17 02:32:20
β—‹ 2026-04-15 00:19:14
β—‹A178.238.36.72026-02-17 β†’ 2026-03-16 Β· 5 obs
β—‹ 2017-04-18 17:58:28
● 2026-02-17 02:32:20
● 2026-03-16 11:56:24
β—‹ 2026-03-22 14:17:06
β—‹ 2026-04-15 00:19:14
●A185.102.21.412026-03-22 β†’ 2026-04-15 Β· 3 obs
β—‹ 2026-03-16 11:56:24
● 2026-03-22 14:17:06
● 2026-04-15 00:19:14
β—‹A2001:1528:181::223:1002015-05-18 β†’ 2017-04-18 Β· 4 obs
● 2015-05-18 09:27:02
● 2017-04-18 17:58:28
β—‹ 2026-02-17 02:32:20
β—‹ 2026-04-15 00:19:14
●A2001:880:0:15::3f12026-03-22 β†’ 2026-04-15 Β· 3 obs
β—‹ 2026-03-16 11:56:24
● 2026-03-22 14:17:06
● 2026-04-15 00:19:14
β—‹A2a01:430:36:3::36:72026-02-17 β†’ 2026-03-16 Β· 5 obs
β—‹ 2017-04-18 17:58:28
● 2026-02-17 02:32:20
● 2026-03-16 11:56:24
β—‹ 2026-03-22 14:17:06
β—‹ 2026-04-15 00:19:14

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ctrnactka.netns.skok.cz, ns2.skok.cz, ns3.skokcz.eu-

βœ… Authoritative Response

Server:185.65.223.35

NS records: ns.skok.cz, ns2.skok.cz, ns3.skokcz.eu

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctrnactka.net (unsigned zone)

⏱️ Timing

Total: 1137ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1185.102.21.41
AAAA12001:880:0:15::3f1
NS3ns1.webglobe.cz, ns2.webglobe.cz...
MX2mx.skok.cz (pri: 10), mxbackup.skok.cz (pri: 20)
SOA1ns1.webglobe.cz hostmaster.skok.cz

Analysis

Hierarchy

ctrnactka.net is a parent of mail.ctrnactka.net.

IP Addresses

ctrnactka.net points to two IP numbers: 2001:880:0:15::3f1 and 185.102.21.41.

Other host names such as floor-planner.cz, aktrojan.cz, qth.cz, zlavomax.sk and ascheila.cz share IP numbers with ctrnactka.net.

Name Servers

ctrnactka.net is delegated to six name servers: ns3.webglobe.com, ns2.skok.cz, ns.skok.cz, ns1.webglobe.cz, ns2.webglobe.cz and ns3.skokcz.eu.

At least part of the name servers for ctrnactka.net are shared with other domains, for instance zepterpraca.sk, elisch.cz, baptist.cz, hairclinic.cz and legalzone.cz.

These name servers are often used together with ns1.ebola.cz, ns.ebola.cz and ns2.ebola.cz.

Host names with two IP numbers

Host ns3.webglobe.com points to 2a03:b0c0:1:d0::1090:2001 and 178.62.60.201

Host ns2.skok.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201

Host ns.skok.cz points to 2a00:1e40:a:53::5 and 185.65.223.35

Host ns1.webglobe.cz points to 2a00:1e40:a:53::5 and 185.65.223.35

Host ns2.webglobe.cz points to 2001:1ab0:7e1e:2::5 and 217.31.48.201

Host ns3.skokcz.eu points to 2a03:b0c0:1:d0::1090:2001 and 178.62.60.201

Host names that point to 2a03:b0c0:1:d0::1090:2001: ns3.webglobe.com and ns3.skokcz.eu

Host names that point to 178.62.60.201: ns3.webglobe.com and ns3.skokcz.eu

Host names that point to 2001:1ab0:7e1e:2::5: ns2.skok.cz and ns2.webglobe.cz

Host names that point to 217.31.48.201: ns2.skok.cz and ns2.webglobe.cz

Host names that point to 2a00:1e40:a:53::5: ns.skok.cz and ns1.webglobe.cz

Host names that point to 185.65.223.35: ns.skok.cz and ns1.webglobe.cz

Mail Servers

ctrnactka.net is handled by two mail servers: mx.skok.cz and mxbackup.skok.cz.

ctrnactka.net uses the same mail server setup as other domains, for instance tectane.cz, sucharudna.cz, glst.cz, atypo-sro.cz and lumika.cz.

Host names sharing a single IP: mx.skok.cz and mxbackup.skok.cz point to 62.109.128.119.