mail.systemit.cz - robtex.com

mail.systemit.cz

DNSSEC⚠️ Not signed
A185.85.164.16🇨🇿 MASTER-AS185.85.164.0/22 CZ-SN-20150127
PTRmail.estudio.cz

systemit.cz

DNSSEC🔒 Signed (DS record present)
A185.115.1.206🇨🇿 VSHOSTING185.115.1.0/24
NSns1.regzone.cz ⭐
NSns1.regzone.de
NSns1.regzone.info
MXmail.systemit.cz ⭐
TXTv=spf1 mx include:spf1.estudio.cz ~all
SOAns1.regzone.czadministrator@czechia.cz 2026-04-23 #2
📈 Tranco rank: #732,202

MX for

systemit.cz

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A185.85.164.1681.31.34.54
●A185.85.164.162026-02-16 → 2026-04-25 · 3 obs
○ 2016-04-20 12:20:44
● 2026-02-16 23:51:18
● 2026-04-25 05:35:42
○A81.31.34.542015-07-19 → 2016-04-20 · 4 obs
● 2015-07-19 16:32:46
● 2016-04-20 12:20:44
○ 2026-02-16 23:51:18
○ 2026-04-25 05:35:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czd.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz-
systemit.czns1.regzone.cz, ns1.regzone.de, ns1.regzone.info2 records

✅ Authoritative Response

Server:23.92.29.43

NS records: ns1.regzone.cz, ns1.regzone.de, ns1.regzone.info

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 815ms | Queries: -

📄 Records

TypeCountSample Data
A1185.85.164.16

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.regzone.cz, ns1.regzone.cz)

Analysis

Mail Server Role

mail.systemit.cz handles mail for systemit.cz.

IP Addresses

mail.systemit.cz points to a single IP address: 185.85.164.16.

Other host names such as mail.ekoservice2000.cz, mail.online-filmy.cz, mail.racioterm.cz, mail.montelamh.cz and mail.kwintex.cz share IPs with mail.systemit.cz.