webmail.kn.cz - robtex.com

webmail.kn.cz

DNSSEC⚠️ Not signed
A2001:1ab0:7e1e:151:62:109:154:75🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRdw163.webglobe.com
A62.109.154.75🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/

kn.cz

DNSSEC🔒 Signed (DS record present)
A2001:1ab0:7e1e:151:62:109:154:75🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
A62.109.154.75🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
NSns.onebit.cz ⭐
NSns.onebit.eu
NSns.onebit.org
MXmx10.onebit.cz ⭐
MXmx10.onebit.eu(10)
SOAns.onebit.czhostmaster@onebit.cz 2026-04-30 #1

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DNS History

5 records (2 active, 3 former)

20192020202120222023202420252026A2001:1ab0:7e1e:151:62:109:154:7562.109.154.75178.238.37.2342a01:430:13::23485.118.129.58
○A178.238.37.2342021-11-09 → 2021-11-09 · 4 obs
○ 2018-01-16 16:28:46
● 2021-11-09 17:20:08
○ 2026-03-01 20:52:28
○ 2026-05-12 03:32:46
●A2001:1ab0:7e1e:151:62:109:154:752026-03-01 → 2026-05-12 · 3 obs
○ 2021-11-09 17:20:08
● 2026-03-01 20:52:28
● 2026-05-12 03:32:46
○A2a01:430:13::2342021-11-09 → 2021-11-09 · 4 obs
○ 2018-01-16 16:28:46
● 2021-11-09 17:20:08
○ 2026-03-01 20:52:28
○ 2026-05-12 03:32:46
●A62.109.154.752026-03-01 → 2026-05-12 · 3 obs
○ 2021-11-09 17:20:08
● 2026-03-01 20:52:28
● 2026-05-12 03:32:46
○A85.118.129.582018-01-16 → 2018-01-16 · 3 obs
● 2018-01-16 16:28:46
○ 2021-11-09 17:20:08
○ 2026-05-12 03:32:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
kn.czns.onebit.cz, ns.onebit.org, ns.onebit.eu2 records

✅ Authoritative Response

Server:217.31.48.201

NS records: ns.onebit.cz, ns.onebit.org, ns.onebit.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1288ms | Queries: -

📄 Records

TypeCountSample Data
A162.109.154.75
AAAA12001:1ab0:7e1e:151:62:109:154:75

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.onebit.cz, ns.onebit.cz)

Analysis

IP Addresses

webmail.kn.cz has two IP numbers: 2001:1ab0:7e1e:151:62:109:154:75 and 62.109.154.75.

Other host names, for instance adut.cz, harrison.onebit.cz, kolbdance.cz, zubnistudio.cz and bowlingpalace.cz share IP numbers with webmail.kn.cz.