mail.cob.su - robtex.com

mail.cob.su

DNSSEC⚠️ Not signed
A5.188.131.10🇷🇺 SELECTEL-MSK5.188.130.0/23 Selectel Route Object

cob.su

DNSSEC⚠️ Not signed
A5.188.131.10🇷🇺 SELECTEL-MSK5.188.130.0/23 Selectel Route Object
NSns1.rf.ru ⭐
NSns2.rf.ru
TXTrfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vcLxjXq94TU6
SOAns1.rf.ruhostmaster@cob.su 2026-03-08 #2

Previously MX for

cob.su

Same first word

mail.tf
mail.ba
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mail.ki
mail.lima-city.de
mail.mysecuritycamera.com
mail.microsoft
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mila.su

DNS History

2 records (1 active, 1 former)

2017201820192020202120222023202420252026A5.188.131.1082.146.33.18
●A5.188.131.102026-02-15 → 2026-04-12 · 3 obs
○ 2016-12-21 07:14:02
● 2026-02-15 05:59:42
● 2026-04-12 20:26:30
○A82.146.33.182016-12-21 → 2016-12-21 · 3 obs
● 2016-12-21 07:14:02
○ 2026-02-15 05:59:42
○ 2026-04-12 20:26:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...10 records
cob.suns1.rf.ru, ns2.rf.ru-

✅ Authoritative Response

Server:80.249.147.221

NS records: ns1.rf.ru, ns2.rf.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cob.su (unsigned zone)

⏱️ Timing

Total: 1211ms | Queries: -

📄 Records

TypeCountSample Data
A15.188.131.10

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...)

Analysis

IP Addresses

mail.cob.su points to an IP address: 5.188.131.10.

other host names include rsn.su, 94-79-44-162.broadband.progtech.ru, korsar-case.ru, sani.su and everclean.ru; they share IP numbers with mail.cob.su.