mail.spbnit.ru - robtex.com

mail.spbnit.ru

DNSSEC⚠️ Not signed
A213.158.10.170🇷🇺 ROSTELECOM-AS213.158.0.0/20 Saint-Petersburg Telegraph 14 Sinopskaya emb 193167 Saint-Petersburg Russia
PTRfrontend.ptn.ru
MXsz-mx1.ptn.ru ⭐
A213.158.10.167🇷🇺 ROSTELECOM-AS213.158.0.0/20 Saint-Petersburg Telegraph 14 Sinopskaya emb 193167 Saint-Petersburg Russia
PTRsz-mx1.ptn.ru
MXsz-mx2.ptn.ru ⭐
A213.158.10.168🇷🇺 ROSTELECOM-AS213.158.0.0/20 Saint-Petersburg Telegraph 14 Sinopskaya emb 193167 Saint-Petersburg Russia
PTRsz-mx2.ptn.ru

spbnit.ru

DNSSEC⚠️ Not signed
NSns1.ptn.ru ⭐
NSns2.ptn.ru
MXmx2.spbnit.ru ⭐
SOAns1.ptn.ruroot@ip.rostelecom.ru 2024-11-28 #0
WOT: SAFE (74/100)

PTR for

115.192.48.212.in-addr.arpa

Subdomains

relay.mail.spbnit.ru
smtp.mail.spbnit.ru

Same first word

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DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026MXsz-mx1.ptn.rusz-mx2.ptn.rumx.nw.rt.rumx1.spbnit.rumx2.spbnit.ruA213.158.10.170213.158.0.43
○MXmx.nw.rt.ru2019-03-21 → 2019-03-21 · 4 obs
○ 2017-08-05 06:07:04
● 2019-03-21 05:00:28
○ 2026-03-06 03:38:10
○ 2026-03-23 08:55:42
○MXmx1.spbnit.ru2015-08-18 → 2017-08-05 · 4 obs
● 2015-08-18 14:51:26
● 2017-08-05 06:07:04
○ 2019-03-21 05:00:28
○ 2026-03-23 08:55:42
○MXmx2.spbnit.ru2015-08-18 → 2017-08-05 · 4 obs
● 2015-08-18 14:51:26
● 2017-08-05 06:07:04
○ 2019-03-21 05:00:28
○ 2026-03-23 08:55:42
●MXsz-mx1.ptn.ru2026-03-06 → 2026-03-23 · 3 obs
○ 2019-03-21 05:00:28
● 2026-03-06 03:38:10
● 2026-03-23 08:55:42
●MXsz-mx2.ptn.ru2026-03-06 → 2026-03-23 · 3 obs
○ 2019-03-21 05:00:28
● 2026-03-06 03:38:10
● 2026-03-23 08:55:42
○A213.158.0.432015-08-18 → 2019-03-21 · 4 obs
● 2015-08-18 14:51:26
● 2019-03-21 05:00:28
○ 2026-03-06 03:38:10
○ 2026-03-23 08:55:42
●A213.158.10.1702026-03-06 → 2026-03-23 · 3 obs
○ 2019-03-21 05:00:28
● 2026-03-06 03:38:10
● 2026-03-23 08:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ruf.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net...-
spbnit.runs2.ptn.ru, ns1.ptn.ru2 records

✅ Authoritative Response

Server:188.128.82.235

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spbnit.ru (unsigned zone)

⏱️ Timing

Total: 874ms | Queries: -

📄 Records

TypeCountSample Data
A1213.158.10.170
MX2sz-mx2.ptn.ru (pri: 10), sz-mx1.ptn.ru (pri: 10)

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ptn.ru, ns1.ptn.ru)

Analysis

Hierarchy

mail.spbnit.ru is a parent of relay.mail.spbnit.ru and smtp.mail.spbnit.ru.

IP Addresses

mail.spbnit.ru resolves to one IP number: 213.158.10.170.

other host names including com.mels.ru, mail.vsi.ru, rostelecom67.ru, mail.vologda.ru and mailcom.mels.ru share IP numbers with mail.spbnit.ru.

Mail Servers

Two mail servers handle mail.spbnit.ru: sz-mx1.ptn.ru and sz-mx2.ptn.ru.

mail.spbnit.ru shares the same mail server setup as other domains, for instance kaluga.ru, permhost.ru, saami.ru, olkha.ru and griazy.lipetsk.ru.

mail.spbnit.ru shares some mail servers with other domains, at least partially, for instance rex.telegraph.spb.ru, obs.tmb.ru, pub.tmb.ru, nerpa.mels.ru and interservice.mels.ru.

Host names with one IP number:

sz-mx1.ptn.ru points to 213.158.10.167

sz-mx2.ptn.ru points to 213.158.10.168