mail.21.ru - robtex.com

mail.21.ru

DNSSEC⚠️ Not signed
A89.253.240.97🇷🇺 RUSONYX-AS89.253.240.0/21 RUSONYX-RU
PTRmail.sni9.rusonyx.ru

21.ru

DNSSEC⚠️ Not signed
A89.253.240.97🇷🇺 RUSONYX-AS89.253.240.0/21 RUSONYX-RU
NSsni9.rusonyx.ru ⭐
NSdns1.zenon.net ⚠️ Not in zone NS records
NSdns2.zenon.net ⚠️ Not in zone NS records
NSns1.rsnx.ru ⚠️ Not in parent delegation
NSns2.rsnx.ru ⚠️ Not in parent delegation
MXmail.21.ru ⭐
TXTv=spf1 ip4:89.253.240.0/24 a mx ~all
SOAsni9.rusonyx.ruinfo@rusonyx.ru 2025-12-26 #14
WOT: SAFE (60/100)
WOT: UNKNOWN (61/100)

MX for

21.ru

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A89.253.240.9762.113.86.206
○A62.113.86.2062015-05-26 → 2016-04-11 · 4 obs
● 2015-05-26 11:55:16
● 2016-04-11 09:26:56
○ 2026-02-16 04:19:30
○ 2026-04-15 23:24:52
●A89.253.240.972026-02-16 → 2026-04-15 · 3 obs
○ 2016-04-11 09:26:56
● 2026-02-16 04:19:30
● 2026-04-15 23:24:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
21.rudns1.zenon.net, dns2.zenon.net-

✅ Authoritative Response

Server:195.2.83.38

NS records: dns1.zenon.net, dns2.zenon.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21.ru (unsigned zone)

⏱️ Timing

Total: 1100ms | Queries: -

📄 Records

TypeCountSample Data
A189.253.240.97

Analysis

Mail Server Role

mail.21.ru serves as the mail server for 21.ru.

IP Addresses

mail.21.ru resolves to a single IP: 89.253.240.97.

Other host names, for instance stomprod.ru, www.vpt.ru, mail.diamirka.ru, www.tolkien.ru and comingsoon.ru share IP numbers with mail.21.ru.