mail.c-sys.ru - robtex.com

mail.c-sys.ru

DNSSEC⚠️ Not signed
A2a03:c980:dead:2a01:46:254:21:39🇷🇺 EUROBYTE2a03:c980:dead::/48
PTRvip-mail1.ihc.ru
A46.254.21.39🇷🇺 EUROBYTE46.254.20.0/23

c-sys.ru

DNSSEC⚠️ Not signed
A37.143.11.11🇷🇺 EUROBYTE37.143.10.0/23
NSns1.ihc.ru ⭐
NSns2.ihc.ru
MXmail.c-sys.ru ⭐
TXTv=spf1 a mx ~all
SOAns1.ihc.ruinfo@ihc.ru 2019-05-23 #1

MX for

c-sys.ru

Same first word

mail.town
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mail.com.br
mail.com.ph
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DNS History

2 records (2 active, 0 former)

A2a03:c980:dead:2a01:46:254:21:3946.254.21.39
●A2a03:c980:dead:2a01:46:254:21:392026-02-23 → 2026-04-13 · 2 obs
● 2026-02-23 03:45:22
● 2026-04-13 18:46:20
●A46.254.21.392026-02-23 → 2026-04-13 · 2 obs
● 2026-02-23 03:45:22
● 2026-04-13 18:46:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rub.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net...-
c-sys.runs1.ihc.ru, ns2.ihc.ru5 records

✅ Authoritative Response

Server:46.254.22.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-sys.ru (unsigned zone)

⏱️ Timing

Total: 891ms | Queries: -

📄 Records

TypeCountSample Data
A146.254.21.39
AAAA12a03:c980:dead:2a01:46:254:21:39

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.ihc.ru, ns2.ihc.ru, ns2.ihc.ru...)

Analysis

Mail Server Role

mail.c-sys.ru functions as a mail server for c-sys.ru.

IP Addresses

mail.c-sys.ru points to two IP numbers: 2a03:c980:dead:2a01:46:254:21:39 and 46.254.21.39.

Other host names such as mail.property.ru, mail.fullout.ru, mail.green-ostrov.ru, mail.imaxstudio.ru and mail.itprocess.ru share IPs with mail.c-sys.ru.