f12.cz - robtex.com

f12.cz

DNSSEC⚠️ Not signed
NS001.joweb.cz ⚠️ Not in zone NS records
A194.182.84.47🇨🇿 INTERNET-CZ194.182.64.0/19
PTR001.joweb.cz
NS001.pasas.cz ⚠️ Not in zone NS records
A85.255.12.210🇨🇿 INTERNET-CZ85.255.0.0/20 AlphaNet spolka z o. o.
PTR001.pasas.cz
NS002.pasas.cz ⚠️ Not in zone NS records
A80.211.240.132🇵🇱 ARUBAPL-AS80.211.240.0/21 Aruba S.p.A. Network
PTR002.pasas.cz
PTRns2.pasas.cz
NS003.pasas.cz ⚠️ Not in zone NS records
A80.211.220.90🇨🇿 INTERNET-CZ80.211.192.0/19 INTERNET CZ,a.s.
PTR003.pasas.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=1785660443

Same first word

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f12.at
f12.cz
f12.bet
f12.vn
f12.club
f12.cl
f12.pt
f12.xyz
f12.es
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f12.in
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f12.ch
f12.net
f12.gr
f12.com
f12.me
f12.hu
f12.su
f12.co
f12.com.ua
f12.bet.br

Similar names

1f2.de
f21.com.mx
f21.mx
f21.ch
2f1.com
2f1.net
2f1.ru
f21.ru
f21.me
2f1.org
f21.no
12f.io
12f.de
f21.org
2f1.cc
12f.ru
f21.net
f21.cz
f21.es
f21.com
f21.nl
12f.com
f21.com.vn
21f.com
1f2.com
21f.de
2f1.ch
1f2.cn
f21.de
f21.jp
12f.org
f21.com.my
12f.com.br
21f.ru
12f.nl
12f.com.cn
f21.sg
12f.cn
f21.ca
2f1.co.uk
f21.mobi
f21.at
1f2.net
f21.hu
1f2.ru
2f1.de
12f.us
21f.cc
f21.org.au
f21.fr
2f1.cn

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026NS001.joweb.cz001.pasas.cz002.pasas.cz003.pasas.czds002-101.zserver.czds002.zserver.czsdns2.ovh.netMXmail.f12.czA94.23.174.219
●NS001.joweb.cz2026-04-26 → 2026-08-02 · 3 obs
○ 2017-06-15 04:49:56
● 2026-04-26 09:56:30
● 2026-08-02 09:10:50
●NS001.pasas.cz2026-04-26 → 2026-08-02 · 3 obs
○ 2017-06-15 04:49:56
● 2026-04-26 09:56:30
● 2026-08-02 09:10:50
●NS002.pasas.cz2026-04-26 → 2026-08-02 · 3 obs
○ 2017-06-15 04:49:56
● 2026-04-26 09:56:30
● 2026-08-02 09:10:50
●NS003.pasas.cz2026-04-26 → 2026-08-02 · 3 obs
○ 2017-06-15 04:49:56
● 2026-04-26 09:56:30
● 2026-08-02 09:10:50
○NSds002-101.zserver.cz2016-07-16 → 2017-06-15 · 5 obs
○ 2016-01-01 19:24:26
● 2016-07-16 22:14:16
● 2017-06-15 04:49:56
○ 2026-04-26 09:56:30
○ 2026-08-02 09:10:50
○NSds002.zserver.cz2015-06-21 → 2016-01-01 · 4 obs
● 2015-06-21 05:50:00
● 2016-01-01 19:24:26
○ 2016-07-16 22:14:16
○ 2026-08-02 09:10:50
○NSsdns2.ovh.net2015-06-21 → 2017-06-15 · 4 obs
● 2015-06-21 05:50:00
● 2017-06-15 04:49:56
○ 2026-04-26 09:56:30
○ 2026-08-02 09:10:50
○MXmail.f12.cz2015-06-21 → 2017-06-15 · 4 obs
● 2015-06-21 05:50:00
● 2017-06-15 04:49:56
○ 2026-04-26 09:56:30
○ 2026-08-02 09:10:50
○A94.23.174.2192015-06-21 → 2017-06-15 · 4 obs
● 2015-06-21 05:50:00
● 2017-06-15 04:49:56
○ 2026-04-26 09:56:30
○ 2026-08-02 09:10:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czb.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz-
f12.cz001.pasas.cz, 002.pasas.cz, 003.pasas.cz, 001.joweb.cz4 records

✅ Authoritative Response

Server:80.211.240.132

NS records: 001.pasas.cz, 002.pasas.cz, 003.pasas.cz, 001.joweb.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f12.cz (unsigned zone)

⏱️ Timing

Total: 553ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (003.pasas.cz, 002.pasas.cz, 001.pasas.cz...)

Analysis

Name Servers

f12.cz has four authoritative name servers: 001.joweb.cz, 001.pasas.cz, 002.pasas.cz and 003.pasas.cz.

At least some of f12.cz's name servers are shared with other domains, for example ruso.cz, jtl.cz, ph1.eu and two more.

001.joweb.cz, 001.pasas.cz, 002.pasas.cz and 003.pasas.cz each resolve to one IP address: 001.joweb.cz resolves to 194.182.84.47, 001.pasas.cz resolves to 85.255.12.210, 002.pasas.cz resolves to 80.211.240.132 and 003.pasas.cz resolves to 80.211.220.90.