mail.onlinecomp.com - robtex.com

mail.onlinecomp.com

DNSSEC⚠️ Not signed
A81.91.83.105🇨🇿 WEB4U81.91.80.0/21
PTRvstest133.server4u.cz

onlinecomp.com

DNSSEC⚠️ Not signed
A81.91.83.105🇨🇿 WEB4U81.91.80.0/21
NSns2.web4u.cz ⭐
NSns.web4u.cz
MXmail.onlinecomp.com ⭐
SOAns.web4u.czadmin@web4u.cz 2010-02-22 #1
WOT: SAFE (60/100)
WOT: SAFE (61/100)

MX for

onlinecomp.com

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A81.91.83.105
●A81.91.83.1052015-03-26 → 2026-07-15 · 2 obs
● 2015-03-26 05:03:16
● 2026-07-15 09:48:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...-
onlinecomp.comns.web4u.cz, ns2.web4u.cz-

✅ Authoritative Response

Server:185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onlinecomp.com (unsigned zone)

⏱️ Timing

Total: 817ms | Queries: -

📄 Records

TypeCountSample Data
A181.91.83.105

Analysis

Mail Server Role

mail.onlinecomp.com serves as a mail server for onlinecomp.com.

IP Addresses

mail.onlinecomp.com points to a single IP number: 81.91.83.105.

Other host names, such as onlinecomp.com, share IP numbers with mail.onlinecomp.com.