mdc.su - dns.ninja

`mdc.su`

DNSSEC	⚠️ Not signed
A	82.97.243.107^{🇦🇺 TimeWeb-AS82.97.243.0/24}
NS	`a.misconfigured.dns.server.invalid` ⭐
NS	`ns1.rf.ru`
		A	80.249.147.221^{🇷🇺 SELECTEL80.249.144.0/22 -NET}
			PTR	`razina.ru`
NS	`ns2.rf.ru`
		A	80.249.147.221^{🇷🇺 SELECTEL80.249.144.0/22 -NET}
			PTR	`razina.ru`
TXT	`rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7gAy3vcLxjXq94TU6`
SOA	`a.misconfigured.dns.server.invalid`hostmaster@mdc.su 2026-04-25 #4

`su`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=650210152

⚠️ On DNS blocklist: spam-tlds

Same first word

mdc.idv.tw

mdc.jo

mdc.pm

mdc.me

mdc.co.zw

mdc.lv

mdc.fi

mdc.ac.jp

mdc.co.kr

mdc.nu

mdc.co

mdc.or.kr

mdc.co.nz

mdc.systems

mdc.de

mdc.ch

mdc.es

mdc.org.co

mdc.co.za

mdc.clinic

mdc.network

mdc.ie

mdc.is

mdc.im

mdc.cn

mdc.net.nz

mdc.pl

mdc.wa.edu.au

mdc.dental

mdc.org.uk

mdc.hr

mdc.pw

mdc.govt.nz

mdc.berlin

mdc.dn.ua

mdc.email

mdc.sh.cn

mdc.gd

mdc.li

mdc.world

mdc.host

mdc.sc

mdc.com

mdc.pt

mdc.sg

mdc.dk

mdc.com.do

mdc.org

mdc.com.ua

mdc.com.co

mdc.bz

mdc.co.th

mdc.su

mdc.org.cn

mdc.center

mdc.tn

mdc.by

mdc.be

mdc.com.tw

mdc.edu

mdc.mk

mdc.gr

mdc.com.sa

mdc.biz

mdc.ng

mdc.se

mdc.cl

mdc.gov.sd

mdc.at

mdc.in

mdc.net

mdc.tv

mdc.edu.sg

mdc.ca

mdc.cz

mdc.ba

mdc.com.ph

mdc.ly

mdc.it

mdc.plus

mdc.edgesuite.net

mdc.kr

mdc.fr

mdc.jp

mdc.eu

mdc.lt

mdc.hu

mdc.co.uk

mdc.agency

mdc.mc

mdc.co.jp

mdc.com.cn

mdc.com.mk

mdc.support

mdc.ph

mdc.com.my

mdc.sk

mdc.info

mdc.sch.id

mdc.la

mdc.ninja

Similar names

cmd.com.cn

cmd.wtf

cmd.li

dmc.group

cdm.info

dcm.ie

mcd.com.ua

dmc.wiki

mcd.delivery

dmc.krakow.pl

cdm.it

dcm.bayern

cmd.dental

dmc.help

dmc.biz.pl

cmd.co.il

dmc.net.pk

cmd.az

mcd.cz

dmc.dyndns.org

cmd.solutions

cmd.blue

cmd.zone

mcd.charity

cdm.net.pl

dmc.tours

cdm.uk.com

cdm.com.pa

mcd.com.cn

mcd.ie

cdm.email

dmc.tools

cmd.ms

cmd.readthedocs.io

cmd.ie

cmd.com

dmc.sk

cmd.kr

dmc.tv

dmc.onl

cdm.ru

mcd.co.in

dmc.org

mcd.cl

mcd.com.ni

cdm.readthedocs.io

cmd.amsterdam

dcm.co.uk

dcm.graphics

dmc.su

dmc.in.th

cdm.legal

cdm.gov.in

cdm.com.au

cdm.cn

cmd.org.do

dcm.se

cmd.net.pk

cdm.life

cmd.design

cmd.mg.gov.br

dmc.ca

dmc.buzz

cdm.com.my

mcd.kz

cdm.se

dcm.io.vn

mcd.su

dcm.be

cdm.systems

cdm.fr

cdm.de

dmc.com.tr

mcd.net.pl

cdm.space

mcd.com

cmd.sakura.ne.jp

dmc.app

dcm.co.kr

cmd.ir

DNS History

24 records (4 active, 20 former)

●NSa.misconfigured.dns.server.invalid2026-02-15 → 2026-08-10 · 3 obs

○ 2017-09-27 16:24:48
● 2026-02-15 19:19:22
● 2026-08-10 03:06:46

○NSalphaseo.ru2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:26:18
○ 2015-11-22 20:04:24
○ 2026-08-10 03:06:46

○NSdns1.yandex.net2016-12-18 → 2017-09-27 · 5 obs

○ 2016-10-16 11:09:56
● 2016-12-18 13:07:38
● 2017-09-27 16:24:48
○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○NSdns2.yandex.net2016-12-18 → 2017-09-27 · 5 obs

○ 2016-10-16 11:09:56
● 2016-12-18 13:07:38
● 2017-09-27 16:24:48
○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○NSns1.alphaseo.ru2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:26:18
○ 2015-11-22 20:04:24
○ 2026-08-10 03:06:46

○NSns1.expired.reg.ru2026-02-15 → 2026-08-10 · 2 obs

○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○NSns1.orelsite.ru2015-11-22 → 2016-10-16 · 5 obs

○ 2015-07-05 06:26:18
● 2015-11-22 20:04:24
● 2016-10-16 11:09:56
○ 2016-12-18 13:07:38
○ 2026-08-10 03:06:46

●NSns1.rf.ru2026-02-15 → 2026-08-10 · 3 obs

○ 2017-09-27 16:24:48
● 2026-02-15 19:19:22
● 2026-08-10 03:06:46

○NSns2.alphaseo.ru2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:26:18
○ 2015-11-22 20:04:24
○ 2026-08-10 03:06:46

○NSns2.expired.reg.ru2026-02-15 → 2026-08-10 · 2 obs

○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○NSns2.orelsite.ru2015-11-22 → 2016-10-16 · 5 obs

○ 2015-07-05 06:26:18
● 2015-11-22 20:04:24
● 2016-10-16 11:09:56
○ 2016-12-18 13:07:38
○ 2026-08-10 03:06:46

●NSns2.rf.ru2026-02-15 → 2026-08-10 · 3 obs

○ 2017-09-27 16:24:48
● 2026-02-15 19:19:22
● 2026-08-10 03:06:46

○NSweb.orelsite.ru2015-11-22 → 2016-10-16 · 5 obs

○ 2015-07-05 06:26:18
● 2015-11-22 20:04:24
● 2016-10-16 11:09:56
○ 2016-12-18 13:07:38
○ 2026-08-10 03:06:46

○MXmail.mdc.su2015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:26:18
○ 2015-11-22 20:04:24
○ 2026-08-10 03:06:46

○MXmail.yandex.ru2015-11-22 → 2016-10-16 · 5 obs

○ 2015-07-05 06:26:18
● 2015-11-22 20:04:24
● 2016-10-16 11:09:56
○ 2016-12-18 13:07:38
○ 2026-08-10 03:06:46

○MXmx.yandex.net2016-12-18 → 2026-02-15 · 5 obs

○ 2016-10-16 11:09:56
● 2016-12-18 13:07:38
● 2026-02-15 19:19:22
○ 2026-03-09 16:15:28
○ 2026-08-10 03:06:46

○A194.67.71.732026-02-15 → 2026-08-10 · 2 obs

○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○A2a00:f940:4::102026-02-15 → 2026-08-10 · 2 obs

○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○A37.228.88.1392016-12-18 → 2017-09-27 · 5 obs

○ 2016-10-16 11:09:56
● 2016-12-18 13:07:38
● 2017-09-27 16:24:48
○ 2026-02-15 19:19:22
○ 2026-08-10 03:06:46

○A37.228.89.1412016-10-16 → 2016-10-16 · 4 obs

○ 2016-09-10 01:53:20
● 2016-10-16 11:09:56
○ 2016-12-18 13:07:38
○ 2026-08-10 03:06:46

○A37.228.89.1422015-11-22 → 2016-09-10 · 5 obs

○ 2015-07-05 06:26:18
● 2015-11-22 20:04:24
● 2016-09-10 01:53:20
○ 2016-10-16 11:09:56
○ 2026-08-10 03:06:46

○A5.188.131.102026-02-15 → 2026-04-17 · 5 obs

○ 2017-09-27 16:24:48
● 2026-02-15 19:19:22
● 2026-04-17 17:16:18
○ 2026-04-26 21:14:32
○ 2026-08-10 03:06:46

●A82.97.243.1072026-04-26 → 2026-08-10 · 3 obs

○ 2026-04-17 17:16:18
● 2026-04-26 21:14:32
● 2026-08-10 03:06:46

○A91.221.70.132015-07-05 → 2015-07-05 · 3 obs

● 2015-07-05 06:26:18
○ 2015-11-22 20:04:24
○ 2026-08-10 03:06:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	12 records
mdc.su	ns1.rf.ru, ns2.rf.ru	-

✅ Authoritative Response

Server:80.249.147.221

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mdc.su (unsigned zone)

⏱️ Timing

Total: 968ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.97.243.107`
NS	2	`ns1.rf.ru, ns2.rf.ru`
TXT	1	`rfru=1RHu5HFTnsoiz9fXiL7wNgrP9O0rkHVjD7g`
SOA	1	`a.misconfigured.dns.server.invalid hostm`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

IP Addresses

mdc.su has exactly one IP address — 82.97.243.107.

w12.ru, mail.xn--90acesagf3a7b8a.xn--p1ai, xn--80afxdkb.xn--p1ai plus two other host names have IP numbers in common with mdc.su.

Name Servers

Three name servers are authoritative for mdc.su: ns1.rf.ru, ns2.rf.ru and a.misconfigured.dns.server.invalid.

At least some of mdc.su's name servers are shared with other domains, for example omnibas.com.au, bardugogroup-live.co.il, xn--80akpkabee4a.xn--p1ai and two more.

These name servers tend to co-occur with ndns1.cosmotown.com, ndns2.cosmotown.com, ns1.cbsv.jp and 7 other name servers in the same DNS delegations.

ns1.rf.ru and ns2.rf.ru share one IP address between them — 80.249.147.221.

These two host names — ns1.rf.ru and ns2.rf.ru — each point to 80.249.147.221 IP addresses.