144.cz - robtex.com

144.cz

DNSSEC🔒 Signed (DS record present)
A104.18.26.246Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.18.27.246Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSans.emailprofi.cz
A2a02:598:3333::30🇨🇿 SEZNAM-CZ2a02:598:3333::/48 SEZNAM - II
PTRans.emailprofi.cz
A77.75.74.238🇨🇿 SEZNAM-CZ77.75.74.0/24 SEZNAM - II
PTRans.emailprofi.cz
NSams.emailprofi.cz
A2a02:598:4444::40🇨🇿 SEZNAM-CZ2a02:598:4444::/48 SEZNAM - II
PTRams.emailprofi.cz
A77.75.75.166🇨🇿 SEZNAM-CZ77.75.75.0/24 SEZNAM - II
PTRams.emailprofi.cz
MX3b2aaec6abefe91c.mx2.emailprofi.seznam.cz
A2a02:598:2::1146🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx2.emailprofi.seznam.cz
A77.75.77.146🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx2.emailprofi.seznam.cz
MX3b2aaec6abefe91c.mx1.emailprofi.seznam.cz(20)
A2a02:598:2::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
TXTatlassian-domain-verification=4c8mk73TvNmrd3zxCXHoB0QLiwEWAk0BYrsCgjBB1a27OdO...
TXTv=spf1 include:spf.seznam.cz ~all
SOAans.emailprofi.czhostmaster@seznam.cz serial=30

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=1785365243

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSams.emailprofi.czans.emailprofi.czns.web4u.czns2.web4u.czMX3b2aaec6abefe91c.mx1.emailprofi.seznam.cz3b2aaec6abefe91c.mx2.emailprofi.seznam.czmail.144.czmx.web4u.czA104.18.26.246104.18.27.2462001:1568::1481.91.86.1483.167.246.185
NSams.emailprofi.cz2026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
NSans.emailprofi.cz2026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
NSns.web4u.cz2015-09-02 → 2021-01-17 · 4 obs
● 2015-09-02 03:08:24
● 2021-01-17 23:12:30
○ 2026-06-16 12:35:08
○ 2026-07-29 22:56:02
NSns2.web4u.cz2015-09-02 → 2021-01-17 · 4 obs
● 2015-09-02 03:08:24
● 2021-01-17 23:12:30
○ 2026-06-16 12:35:08
○ 2026-07-29 22:56:02
MX3b2aaec6abefe91c.mx1.emailprofi.seznam.cz2026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
MX3b2aaec6abefe91c.mx2.emailprofi.seznam.cz2026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
MXmail.144.cz2015-09-02 → 2019-03-26 · 4 obs
● 2015-09-02 03:08:24
● 2019-03-26 00:48:04
○ 2019-10-24 05:11:46
○ 2026-07-29 22:56:02
MXmx.web4u.cz2019-10-24 → 2021-01-17 · 5 obs
○ 2019-03-26 00:48:04
● 2019-10-24 05:11:46
● 2021-01-17 23:12:30
○ 2026-06-16 12:35:08
○ 2026-07-29 22:56:02
A104.18.26.2462026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
A104.18.27.2462026-06-16 → 2026-07-29 · 3 obs
○ 2021-01-17 23:12:30
● 2026-06-16 12:35:08
● 2026-07-29 22:56:02
A2001:1568::142019-03-26 → 2021-01-17 · 5 obs
○ 2016-12-03 07:00:50
● 2019-03-26 00:48:04
● 2021-01-17 23:12:30
○ 2026-06-16 12:35:08
○ 2026-07-29 22:56:02
A81.91.86.142019-03-26 → 2021-01-17 · 5 obs
○ 2016-12-03 07:00:50
● 2019-03-26 00:48:04
● 2021-01-17 23:12:30
○ 2026-06-16 12:35:08
○ 2026-07-29 22:56:02
A83.167.246.1852015-09-02 → 2016-12-03 · 4 obs
● 2015-09-02 03:08:24
● 2016-12-03 07:00:50
○ 2019-03-26 00:48:04
○ 2026-07-29 22:56:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
144.czams.emailprofi.cz, ans.emailprofi.cz-

✅ Authoritative Response

Server:77.75.74.238

NS records: ams.emailprofi.cz, ans.emailprofi.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1574ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.26.246, 104.18.27.246
NS2ams.emailprofi.cz, ans.emailprofi.cz
MX23b2aaec6abefe91c.mx2.emailprofi.seznam.c, 3b2aaec6abefe91c.mx1.emailprofi.seznam.c
TXT2v=spf1 include:spf.seznam.cz ~all, atlassian-domain-verification=4c8mk73TvN
SOA1ans.emailprofi.cz hostmaster.seznam.cz

Analysis

IP Addresses

144.cz points to the IP addresses 104.18.26.246 and 104.18.27.246

Additional host names — kairosstopsconversion.com, vitaeconsult.com, aymanhbeichi.com and two others — share IP numbers with 144.cz.

Name Servers

144.cz has two authoritative name servers — ams.emailprofi.cz and ans.emailprofi.cz.

144.cz shares its name server setup with other domains, including idav.cz, cepi37.cz, churka.cz and two others.

The name servers of 144.cz overlap at least partially with those of other domains — among them braier.cz, antikvariatmyslikova.cz, boehm.cz and two more.

Both ams.emailprofi.cz and ans.emailprofi.cz have two IP addresses each. ams.emailprofi.cz resolves to 77.75.75.166 and 2a02:598:4444::40; ans.emailprofi.cz resolves to 77.75.74.238 and 2a02:598:3333::30.

Mail Servers

144.cz has two mail servers: 3b2aaec6abefe91c.mx1.emailprofi.seznam.cz and 3b2aaec6abefe91c.mx2.emailprofi.seznam.cz.

Both 3b2aaec6abefe91c.mx1.emailprofi.seznam.cz and 3b2aaec6abefe91c.mx2.emailprofi.seznam.cz have two IP addresses each. 3b2aaec6abefe91c.mx1.emailprofi.seznam.cz resolves to 77.75.77.56 and 2a02:598:2::1056; 3b2aaec6abefe91c.mx2.emailprofi.seznam.cz resolves to 77.75.77.146 and 2a02:598:2::1146.