`cbm.rt.ru`

DNSSEC	⚠️ Not signed
NS	`ns1.rostelecom.ru` ⭐
		A	87.226.162.62^{🇷🇺 ROSTELECOM-AS87.226.128.0/17 Rostelecom networks}
			PTR	`ns1.rostelecom.ru`
NS	`ns2.rostelecom.ru`
		A	87.226.159.65^{🇷🇺 ROSTELECOM-AS87.226.128.0/17 Rostelecom networks}
			PTR	`ns2.rostelecom.ru`
MX	`mx1.cbm.rt.ru` ⭐
MX	`mx10.cbm.rt.ru` ⭐
		A	95.167.19.248^{🇷🇺 ROSTELECOM-AS95.167.0.0/16 ROSTELECOM NETS}
			PTR	`mx10.cbm.rt.ru`
MX	`mx11.cbm.rt.ru` ⭐
		A	95.167.107.12^{🇷🇺 ROSTELECOM-AS95.167.0.0/16 ROSTELECOM NETS}
			PTR	`mx11.cbm.rt.ru`
MX	`mx12.cbm.rt.ru` ⭐
		A	95.167.189.156^{🇷🇺 ROSTELECOM-AS95.167.0.0/16 ROSTELECOM NETS}
			PTR	`mx12.cbm.rt.ru`
MX	`mx13.cbm.rt.ru` ⭐
MX	`mx14.cbm.rt.ru` ⭐
		A	94.25.99.96^{🇷🇺 ROSTELECOM-AS94.25.0.0/17 ROSTELECOM NETS}
			PTR	`mx14.cbm.rt.ru`
MX	`mx15.cbm.rt.ru` ⭐
		A	94.25.67.248^{🇷🇺 ROSTELECOM-AS94.25.0.0/17 ROSTELECOM NETS}
			PTR	`mx15.cbm.rt.ru`
MX	`mx16.cbm.rt.ru` ⭐
		A	81.177.124.60^{🇷🇺 ROSTELECOM-AS81.177.96.0/19 ROSTELECOM NETS}
			PTR	`mx16.cbm.rt.ru`
MX	`mx17.cbm.rt.ru` ⭐
		A	5.143.239.136^{🇷🇺 ROSTELECOM-AS5.143.224.0/19 ROSTELECOM NETS}
			PTR	`mx17.cbm.rt.ru`
MX	`mx18.cbm.rt.ru` ⭐
MX	`mx2.cbm.rt.ru` ⭐
		A	46.61.217.184^{🇷🇺 ROSTELECOM-AS46.61.128.0/17 ROSTELECOM NETS}
			PTR	`mx2.cbm.rt.ru`
MX	`mx3.cbm.rt.ru` ⭐
MX	`mx4.cbm.rt.ru` ⭐
		A	188.254.32.144^{🇷🇺 ROSTELECOM-AS188.254.0.0/17 ROSTELECOM NETS}
			PTR	`mx4.cbm.rt.ru`
MX	`mx5.cbm.rt.ru` ⭐
		A	188.254.95.252^{🇷🇺 ROSTELECOM-AS188.254.0.0/17 ROSTELECOM NETS}
			PTR	`mx5.cbm.rt.ru`
MX	`mx6.cbm.rt.ru` ⭐
MX	`mx7.cbm.rt.ru` ⭐
MX	`mx8.cbm.rt.ru` ⭐
		A	188.128.78.0^{🇷🇺 ROSTELECOM-AS188.128.0.0/17 ROSTELECOM NETS}
			PTR	`mx8.cbm.rt.ru`
MX	`mx9.cbm.rt.ru` ⭐
		A	188.128.73.0^{🇷🇺 ROSTELECOM-AS188.128.0.0/17 ROSTELECOM NETS}
			PTR	`mx9.cbm.rt.ru`
TXT	`v=spf2.0/pra ip4:5.143.239.136 ip4:46.61.152.148 ip4:46.61.170.128 ip4:46.61....`
TXT	`google-site-verification=d40BYX0hTdsyGAE4nHeX1XLZzahWPx0Oz0N8Z54jOUc`
TXT	`v=spf1 ip4:5.143.239.136 ip4:46.61.152.148 ip4:46.61.170.128 ip4:46.61.217.18...`
TXT	`mailru-verification: 4d10c5fa77fc4c56`
SOA	`ns1.rostelecom.ru`for@rt.ru 2018-04-25 #1

`rt.ru`

	DNSSEC	⚠️ Not signed
	A	87.226.162.216^{🇷🇺 ROSTELECOM-AS87.226.128.0/17 Rostelecom networks}
	NS	`ns1.rostelecom.ru` ⭐
	NS	`ns2.rostelecom.ru`
	NS	`ns4-cloud.nic.ru`
	NS	`ns4-l2.nic.ru`
	NS	`ns8-cloud.nic.ru`
	NS	`ns8-l2.nic.ru`
	MX	`mail18.rt.ru` ⭐
	MX	`mail180.rt.ru` ⭐
	MX	`mail19.rt.ru` ⭐
	MX	`mail37.rt.ru` ⭐
	MX	`mail41.rt.ru` ⭐
	MX	`mail47.rt.ru` ⭐
	TXT	`fgkjKLJDflwekjlwke23h`
	TXT	`ymSfo82FsyNTXEkyTdIbmBzqN4qY7onwo0PF8w95wOJLHHFBXCiP3dsroMdqyYJdHbO6Oqs1JzSoI...`
	TXT	`v=spf1 ip4:188.128.44.19 ip4:188.128.44.18 ip4:87.226.249.41 ip4:87.226.249.4...`
	TXT	`ngenix-verification=f1ea5e27d5a0f24ab0ec56ac07e3bdb3`
	TXT	`mailru-verification: 6aa936fc8fa13d31`
	TXT	`3adcb937-cc37-4225-afbf-4bbe21f7f454`
	TXT	`_globalsign-domain-verification=nQ9TnFSxWkLSQqkU9iHbbwvEi2WUW-5eoCxP8ufb-b`
	TXT	`google-site-verification=zWH64Y9ejb3u50SjilOzcUGpnQ3rXUBwU8lGz3ZM51k`
	SOA	`ns1.rostelecom.ru`hostmaster@rt.ru 2026-05-15 #1

WOT: SAFE (86/100)
rank #11429 globally
rank #182 in the tld
Semrush Rank:#55,076 Keywords:3,507 Traffic:36,480/mo
WOT: SAFE (86/100)
📈 Tranco rank: #704

Rostelecom (rt.ru)

Rostelecom is Russia's largest telecommunications company and the national operator for long-distance and international communications. The company was founded in 1993 following the restructuring of the Soviet-era telecommunications system and is majority-owned by the Russian government through various state entities.

Services

Rostelecom provides a comprehensive range of telecommunications services across Russia:

Fixed-line telephony - The dominant provider of landline services nationwide
Broadband internet - One of Russia's largest ISPs with extensive fiber and DSL coverage
Pay television - IPTV and cable TV services under the "Wink" brand
Mobile services - Through subsidiary Tele2 Russia
Cloud computing and data centers - Enterprise IT infrastructure services
Cybersecurity - Through subsidiary Solar Security
Government digital services - Operator of e-government platforms including Gosuslugi

Technical Infrastructure

The rt.ru domain is hosted on AS12389 (ROSTELECOM-AS) at IP87.226.162.216in Russia. The domain uses a robust nameserver configuration combining Rostelecom's own servers (ns1.rostelecom.ru,ns2.rostelecom.ru) with NIC.RU cloud infrastructure for redundancy. Mail is handled through six MX servers across the87.226.x.xand188.128.44.xranges.

Note: The domain does not have DNSSEC enabled.

Market Position

Rostelecom ranks #608 globally in the Tranco list, reflecting its position as a major web property. The company operates critical national infrastructure including the digital government portal and maintains one of Russia's largest backbone networks.

Subdomains

mx1.cbm.rt.ru

mx14.cbm.rt.ru

mx13.cbm.rt.ru

mx11.cbm.rt.ru

mx17.cbm.rt.ru

mx3.cbm.rt.ru

mx9.cbm.rt.ru

mx18.cbm.rt.ru

mx10.cbm.rt.ru

mx12.cbm.rt.ru

mx4.cbm.rt.ru

mx6.cbm.rt.ru

Same first word

cbm.sk

cbm.co

cbm.at

cbm.se.gov.br

cbm.com.ph

cbm.com.sg

cbm.world

cbm.ltd

cbm.solutions

cbm.ab.ca

cbm.org.br

cbm.net

cbm.cn

cbm.email

cbm.mg.gov.br

cbm.cz

cbm.me

cbm.com.cn

cbm.com.pl

cbm.org.ph

cbm.ba.gov.br

cbm.no

cbm.us

cbm.esp.br

cbm.sc.gov.br

cbm.li

cbm.nu

cbm.fi

cbm.it

cbm.ie

cbm.pt

cbm.com.pk

cbm.bg

cbm.photography

cbm.rr.gov.br

cbm.al.gov.br

cbm.org.au

cbm.company

cbm.lu

cbm.ua

cbm.tech

cbm.technology

cbm.az

cbm.camp

cbm.se

cbm.vn

cbm.com.vn

cbm.org

cbm.care

cbm.in

cbm.ma.gov.br

cbm.ir

cbm.net.cn

cbm.cc

cbm.com.lb

cbm.cl

cbm.org.il

cbm.im

cbm.com

cbm.eu

cbm.szczecin.pl

cbm.si

cbm.nl

cbm.kiwi

cbm.la

cbm.org.vn

cbm.ap.gov.br

cbm.today

cbm.ac.th

cbm.df.gov.br

cbm.org.nz

cbm.pe.gov.br

cbm.fr

cbm.am.gov.br

cbm.tn

cbm.rs.gov.br

cbm.support

cbm.es

cbm.ms.gov.br

cbm.codes

cbm.mt.gov.br

cbm.rest

cbm.biz

cbm.cat

cbm.com.ar

cbm.wtf

cbm.pl

cbm.be

cbm.de

cbm.co.at

cbm.ch

cbm.ro.gov.br

cbm.events

Similar names

bmc.services

cmb.su

bcm.london

bcm.center

mbc.com

bmc.gw

cmb.dyndns.org

mbc.malopolska.pl

mbc.edu

cmb.org.br

mbc.cr

bcm.solutions

mbc.io

bcm.vn

cmb.co.zw

bmc.bio

mbc.com.br

mcb.live

mbc.digital

bmc.edu

mcb.ch

bmc.edu.sa

bcm.com.vn

bcm.team

bmc.com.tr

bmc.com.gr

cmb.it

mbc.bz

bmc.uy

mbc.school.nz

cmb.de

mbc.co.il

bmc.it

bmc.hk

mbc.edu.ph

cmb.ir

mbc.com.mx

cmb.no

bmc.ag

cmb.design

bcm.be

mbc.co.zw

mbc.xyz

cmb.sk

cmb.nu

bmc.(0x736578)

mcb.com.tr

mcb.info

mbc.me

cmb.hu

cmb.info

bmc.co.ir

bcm.org

bmc.info

cmb.md

mcb.com.mo

bcm.hu

bmc.com.mx

mbc.us

mbc.es

mbc.wiki

mbc.info

cmb.xyz

bcm.mk

mbc.org

mbc.mw

bcm.eu

mcb.biz

cmb.se

cmb.org

bmc.hu

bcm.bielsko.pl

bmc.bz

mcb.cl

cmb.co.uk

cmb.nl

mcb.sp.gov.br

mcb.ie

mcb.org.nz

bmc.gr

bmc.com.pt

mbc.com.ro

cmb.dk

cmb.ch

DNS History

20 records (20 active, 0 former)

●NSns1.rostelecom.ru2026-02-15 → 2026-05-15 · 2 obs

● 2026-02-15 00:31:10
● 2026-05-15 11:26:30

●NSns2.rostelecom.ru2026-02-17 → 2026-05-15 · 20 obs

○ 2026-02-15 00:31:10
● 2026-02-17 00:27:36
● 2026-03-24 06:20:12
○ 2026-03-25 11:03:26
○ 2026-03-25 18:28:14
● 2026-03-27 21:15:46
● 2026-04-17 12:01:34
○ 2026-04-23 14:08:04
○ 2026-04-28 08:27:12
● 2026-04-28 23:42:00
● 2026-04-29 01:32:14
○ 2026-04-29 02:35:34
● 2026-04-29 04:23:46
○ 2026-04-29 05:21:02
○ 2026-04-29 21:19:00
● 2026-05-01 02:49:46
● 2026-05-15 00:01:22
○ 2026-05-15 02:57:24
● 2026-05-15 03:27:54
● 2026-05-15 11:26:30

●MXmx1.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

● 2026-02-17 01:20:22
● 2026-03-24 06:20:12
○ 2026-03-25 11:03:26
○ 2026-03-25 18:28:14
● 2026-03-27 21:15:46
○ 2026-03-29 14:48:02
● 2026-04-15 01:25:54
● 2026-04-17 12:01:34
○ 2026-04-23 14:08:04
○ 2026-04-29 02:35:34
● 2026-04-29 04:23:46
○ 2026-04-29 05:21:02
● 2026-04-29 21:19:00
● 2026-05-15 00:01:22
○ 2026-05-15 02:57:24
● 2026-05-15 03:27:54
● 2026-05-15 11:26:30

●MXmx10.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx11.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx12.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx13.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx14.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx15.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx16.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx17.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx18.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx2.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx3.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx4.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx5.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx6.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx7.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx8.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

●MXmx9.cbm.rt.ru2026-02-17 → 2026-05-15 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	d.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...	-
rt.ru	ns1.rostelecom.ru, ns2.rostelecom.ru, ns4-l2.nic.ru, ns8-l2.nic.ru...	20 records

✅ Authoritative Response

Server:87.226.159.65

NS records: ns1.rostelecom.ru, ns2.rostelecom.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns4-cloud.nic.ru, ns8-cloud.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt.ru (unsigned zone)

⏱️ Timing

Total: 1315ms | Queries: -

📄 Records

Type	Count	Sample Data
SOA	1	`ns1.rostelecom.ru for.rt.ru`

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (ns1.rostelecom.ru, ns2.rostelecom.ru, ns4-l2.nic.ru...)

Analysis

Hierarchy

cbm.rt.ru is a parent of mx1.cbm.rt.ru, mx14.cbm.rt.ru, mx13.cbm.rt.ru, mx11.cbm.rt.ru, mx17.cbm.rt.ru and several other host names.

Name Servers

Delegation for cbm.rt.ru rests with two name servers, ns1.rostelecom.ru and ns2.rostelecom.ru.

cbm.rt.ru shares the same name server setup as other domains, including data.rt.ru, speedtest.ru, msgs2009.rt.ru, xn--80aaacvakkq6ab9ayef.xn--p1ai and safe-internet.ru.

cbm.rt.ru at least partially shares name servers with other domains, for instance sibir.rt.ru, rostelecom.ru, dv.rt.ru, center.rt.ru and ural.rt.ru.

These name servers are commonly used with ns.rt-comm.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru, ns8-l2.nic.ru, ns1.snt.ru and ns2.snt.ru.

Host names with one IP number: ns1.rostelecom.ru points to 87.226.162.62; ns2.rostelecom.ru points to 87.226.159.65.

Mail Servers

cbm.rt.ru is handled by eighteen mail servers: mx10.cbm.rt.ru, mx11.cbm.rt.ru, mx12.cbm.rt.ru, mx13.cbm.rt.ru, mx14.cbm.rt.ru, mx15.cbm.rt.ru, mx16.cbm.rt.ru, mx17.cbm.rt.ru, mx18.cbm.rt.ru, mx1.cbm.rt.ru, mx2.cbm.rt.ru, mx3.cbm.rt.ru, mx4.cbm.rt.ru, mx5.cbm.rt.ru, mx6.cbm.rt.ru, mx7.cbm.rt.ru, mx8.cbm.rt.ru and mx9.cbm.rt.ru.

cbm.rt.ru shares at least partially some mail servers with other domains, for example smi.rt.ru, azbukainterneta.ru and wink.rt.ru.

Host names with a single IP:

mx10.cbm.rt.ru points to 95.167.19.248

mx11.cbm.rt.ru points to 95.167.107.12

mx12.cbm.rt.ru points to 95.167.189.156

mx14.cbm.rt.ru points to 94.25.99.96

mx15.cbm.rt.ru points to 94.25.67.248

mx16.cbm.rt.ru points to 81.177.124.60

mx17.cbm.rt.ru points to 5.143.239.136

mx2.cbm.rt.ru points to 46.61.217.184

mx4.cbm.rt.ru points to 188.254.32.144

mx5.cbm.rt.ru points to 188.254.95.252

mx8.cbm.rt.ru points to 188.128.78.0

mx9.cbm.rt.ru points to 188.128.73.0

cbm.rt.ru - robtex.com

cbm.rt.ru

rt.ru