mail.306.ru - robtex.com

mail.306.ru

DNSSEC⚠️ Not signed
A91.230.208.135🇷🇺 MTW-AS91.230.208.0/24 DiamondTelecom
PTRhost135.af.ru

306.ru

DNSSEC⚠️ Not signed
A91.230.208.135🇷🇺 MTW-AS91.230.208.0/24 DiamondTelecom
NSns.rx.ru ⭐ ⚠️ Not in parent delegation
NSns.xx.ru ⚠️ Not in parent delegation
NSns1.companies.ru ⚠️ Not in zone NS records
NSns2.companies.ru ⚠️ Not in zone NS records
MXmail.306.ru ⭐
TXTv=spf1 a mx ip4:91.230.208.135 ~all
SOAns.rx.ruhostmaster@306.ru 2026-02-17 #1
WOT: SAFE (60/100)
WOT: UNKNOWN (62/100)

MX for

306.ru

Same first word

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DNS History

4 records (1 active, 3 former)

200920112013201520172019202120232025A91.230.208.135194.135.19.39194.58.35.16291.230.208.138
○A194.135.19.392008-11-24 → 2008-11-24 · 3 obs
● 2008-11-24 17:24:00
○ 2015-08-14 01:28:02
○ 2026-04-12 01:57:20
○A194.58.35.1622015-08-14 → 2015-08-14 · 4 obs
○ 2008-11-24 17:24:00
● 2015-08-14 01:28:02
○ 2015-10-20 00:32:24
○ 2026-04-12 01:57:20
●A91.230.208.1352026-02-20 → 2026-04-12 · 3 obs
○ 2017-08-10 10:30:28
● 2026-02-20 04:39:40
● 2026-04-12 01:57:20
○A91.230.208.1382015-10-20 → 2017-08-10 · 5 obs
○ 2015-08-14 01:28:02
● 2015-10-20 00:32:24
● 2017-08-10 10:30:28
○ 2026-02-20 04:39:40
○ 2026-04-12 01:57:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
306.runs1.companies.ru, ns2.companies.ru-

✅ Authoritative Response

Server:195.85.231.35

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 306.ru (unsigned zone)

⏱️ Timing

Total: 1257ms | Queries: -

📄 Records

TypeCountSample Data
A191.230.208.135

Analysis

Mail Server Role

mail.306.ru is the mail server for 306.ru.

IP Addresses

mail.306.ru points to a single IP number: 91.230.208.135.

other host names for instance mail.tf-sokol.com, prommeb.ru, diplomaker.ru, mail.diplomaker.ru and *.306.ru share IP numbers with mail.306.ru.