mail.cpp33.ru - dns.ninja

mail.cpp33.ru

DNSSEC⚠️ Not signed
A77.223.111.180🇷🇺 SELECTEL-MSK77.223.108.0/22 Selectel Route Object
NSns1.flexbe.ru ⭐ ⚠️ Not in parent delegation
NSns2.flexbe.ru ⚠️ Not in parent delegation
A77.223.111.184🇷🇺 SELECTEL-MSK77.223.108.0/22 Selectel Route Object
NSns3.flexbe.ru ⚠️ Not in parent delegation
A77.223.111.187🇷🇺 SELECTEL-MSK77.223.108.0/22 Selectel Route Object
NSns4.flexbe.ru ⚠️ Not in parent delegation
A77.223.111.179🇷🇺 SELECTEL-MSK77.223.108.0/22 Selectel Route Object
SOAns1.flexbe.ruinfo@flexbe.ru 2026-07-10 #3

cpp33.ru

DNSSEC⚠️ Not signed
A77.223.111.188🇷🇺 SELECTEL-MSK77.223.108.0/22 Selectel Route Object
NSns1.flexbe.ru ⭐
NSns2.flexbe.ru
NSns3.flexbe.com ⚠️ Not in zone NS records
NSns3.flexbe.ru ⚠️ Not in parent delegation
NSns4.flexbe.ru ⚠️ Not in parent delegation
SOAns1.flexbe.ruinfo@flexbe.ru 2026-07-10 #3

Previously MX for

cpp33.ru

Same first word

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DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSns1.flexbe.runs2.flexbe.runs3.flexbe.runs4.flexbe.ruA77.223.111.1802a03:c980::1:20:3891.218.228.22
●NSns1.flexbe.ru2026-07-10 → 2026-07-10 · 1 obs
● 2026-07-10 03:38:28
●NSns2.flexbe.ru2026-07-10 → 2026-07-10 · 1 obs
● 2026-07-10 03:38:28
●NSns3.flexbe.ru2026-07-10 → 2026-07-10 · 1 obs
● 2026-07-10 03:38:28
●NSns4.flexbe.ru2026-07-10 → 2026-07-10 · 1 obs
● 2026-07-10 03:38:28
○A2a03:c980::1:20:382015-07-03 → 2016-07-28 · 3 obs
● 2015-07-03 12:06:34
● 2016-07-28 06:42:54
○ 2026-07-10 03:38:28
●A77.223.111.1802026-07-10 → 2026-07-10 · 2 obs
○ 2016-07-28 06:42:54
● 2026-07-10 03:38:28
○A91.218.228.222015-07-03 → 2016-07-28 · 3 obs
● 2015-07-03 12:06:34
● 2016-07-28 06:42:54
○ 2026-07-10 03:38:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rub.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net...-
cpp33.runs2.flexbe.ru, ns1.flexbe.ru, ns3.flexbe.com2 records

✅ Authoritative Response

Server:77.223.111.184

NS records: ns2.flexbe.ru, ns1.flexbe.ru, ns3.flexbe.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpp33.ru (unsigned zone)

⏱️ Timing

Total: 1377ms | Queries: -

📄 Records

TypeCountSample Data
A177.223.111.180
NS4ns1.flexbe.ru, ns2.flexbe.ru...
SOA1ns1.flexbe.ru info.flexbe.ru

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mail.cpp33.ru points to a single IP number: 77.223.111.180.

Additional host names — avatap.com, gamburtsev.com, sdsltd.ru and two others — share IP numbers with mail.cpp33.ru.

Name Servers

mail.cpp33.ru has four authoritative name servers: ns1.flexbe.ru, ns2.flexbe.ru, ns3.flexbe.ru and ns4.flexbe.ru.

mail.cpp33.ru shares at least some of its name servers with other domains, including istomina.com, app.flexbe.ru, ftp.tent-74.ru and two others.

These name servers are frequently paired with the name servers ns3.flexbe.com, ns1.flexbe.com and ns2.flexbe.com.

Three hostnames, one IP address apiece: ns2.flexbe.ru resolves to 77.223.111.184, ns3.flexbe.ru resolves to 77.223.111.187 and ns4.flexbe.ru resolves to 77.223.111.179.