mx.jbt.cz - robtex.com

mx.jbt.cz

DNSSEC⚠️ Not signed
A89.221.213.99🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.
PTRhc1-wd98.wedos.net

jbt.cz

DNSSEC⚠️ Not signed
A89.221.213.99🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.
NSns.wedos.net
NSns.wedos.com
NSns.wedos.cz
NSns.wedos.eu
MXwes1-mx1.wedos.net
MXwes1-mx2.wedos.net
MXwes1-mx-backup.wedos.net(10)
SOAns.wedos.netwedos@wedos.com 2022-04-12 #1

Previously MX for

Same first word

Similar names

DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A89.221.213.99178.217.244.3582.113.55.12182.113.55.91
A178.217.244.352016-04-04 → 2017-01-13 · 5 obs
○ 2016-01-12 23:12:14
● 2016-04-04 14:01:46
● 2017-01-13 22:55:52
○ 2026-06-28 11:33:54
○ 2026-07-31 07:26:14
A82.113.55.1212015-08-03 → 2016-01-12 · 4 obs
● 2015-08-03 14:56:18
● 2016-01-12 23:12:14
○ 2016-04-04 14:01:46
○ 2026-07-31 07:26:14
A82.113.55.912015-08-03 → 2016-01-12 · 4 obs
● 2015-08-03 14:56:18
● 2016-01-12 23:12:14
○ 2016-04-04 14:01:46
○ 2026-07-31 07:26:14
A89.221.213.992026-06-28 → 2026-07-31 · 3 obs
○ 2017-01-13 22:55:52
● 2026-06-28 11:33:54
● 2026-07-31 07:26:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz8 records
jbt.czns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net4 records

✅ Authoritative Response

Server:45.138.106.1

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jbt.cz (unsigned zone)

⏱️ Timing

Total: 2077ms | Queries: -

📄 Records

TypeCountSample Data
A189.221.213.99

📌 Glue Records Collected

Total: 12

In-bailiwick: 8 (a.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz...)

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

mx.jbt.cz points to a single IP number: 89.221.213.99.

Additional host names — rzm.cz, mail.hrr.cz, nhz.cz and two others — share IP numbers with mx.jbt.cz.