PTR for

168.21.128.188.in-addr.arpa

MX for

azbukainterneta.ru

wink.rt.ru

smi.rt.ru

Previously MX for

cbm.rt.ru

lc.rt.ru

info.rt.ru

Same first word

mx7.df.gov.br

mx7.net

mx7.eu

mx7.ru

mx7.nl

mx7.com

mx7.bet

mx7.cn

mx7.de

mx7.org

Similar names

xm7.info

xm7.com

xm7.org

m7x.cn

x7m.ru

7xm.online

m7x.us

x7m.com

7xm.de

7xm.org

7mx.cc

x7m.org

7mx.net

xm7.me

7mx.de

7xm.cc

m7x.games

7mx.com

xm7.de

7xm.app

xm7.cn

m7x.net

m7x.ru

m7x.cc

7xm.co

7xm.asia

7xm.net

7xm.ru

7xm.xyz

m7x.com

7mx.cn

7xm.cn

7mx.ru

7mx.co.uk

7xm.org.ph

7xm.com

7xm.fun

7xm.com.ph

m7x.de

DNS History

1 record (0 active, 1 former)

○A188.128.21.1682018-10-16 → 2026-05-15 · 20 obs

● 2018-10-16 05:53:58
● 2026-02-22 08:07:14
○ 2026-02-25 17:33:18
● 2026-02-28 23:29:20
○ 2026-03-10 00:42:26
● 2026-03-22 18:01:56
○ 2026-03-24 06:20:12
● 2026-03-25 11:03:26
● 2026-04-03 16:14:10
○ 2026-04-04 12:37:58
● 2026-04-08 16:16:38
● 2026-04-15 02:39:36
○ 2026-04-16 08:36:12
● 2026-04-17 12:01:36
● 2026-05-07 03:35:28
○ 2026-05-07 07:19:08
○ 2026-05-14 03:07:06
● 2026-05-15 00:01:20
○ 2026-05-15 02:57:24
○ 2026-05-15 03:14:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, f.dns.ripn.net, d.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
cbm.rt.ru	ns1.rostelecom.ru, ns2.rostelecom.ru	-

✅ Authoritative Response

Server:87.226.162.62

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt.ru (unsigned zone)

⏱️ Timing

Total: 1124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.128.21.168`

📌 Glue Records Collected

Total: 20

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

	DNSSEC	⚠️ Not signed
	NS	`ns1.rostelecom.ru` ⭐
	SOA	`ns1.rostelecom.ru`for@rt.ru 2018-04-25 #1

mx7.cbm.rt.ru - robtex.com

`mx7.cbm.rt.ru`

`cbm.rt.ru`