ctx.su - dns.ninja

`ctx.su`

DNSSEC	⚠️ Not signed
A	62.105.2.187^{🇷🇺 ROSTELECOM-AS62.105.0.0/19 Rostelecom networks}
		PTR	`ctx.su`
NS	`ns3-l2.nic.ru` ⭐
		A	193.232.146.1^{🇷🇺 RU-CENTER193.232.146.0/24 -NETWORK}
			PTR	`ns3-l2.nic.ru`
NS	`ns4-cloud.nic.ru` ⚠️ Not in zone NS records
		A	89.104.93.30^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.33^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.34^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.95.30^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.33^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.34^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
NS	`ns4-l2.nic.ru`
		A	91.217.20.20^{🇷🇺 RU-CENTER91.217.20.0/24}
NS	`ns8-cloud.nic.ru` ⚠️ Not in zone NS records
		A	89.104.93.31^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.35^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.93.36^{🇷🇺 ANYCAST-AS89.104.93.0/24 Ru-Center route}
		A	89.104.95.31^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.35^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
		A	89.104.95.36^{🇷🇺 ANYCAST-AS89.104.95.0/24 Ru-Center route}
NS	`ns8-l2.nic.ru`
		A	91.217.21.20^{🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER}
			PTR	`ns8-l2.nic.ru`
MX	`mail.ctx.su` ⭐
		A	62.105.2.187^{🇷🇺 ROSTELECOM-AS62.105.0.0/19 Rostelecom networks}
			PTR	`ctx.su`
TXT	`v=spf1 a mx -all`
SOA	`ns3-l2.nic.ru`dns@nic.ru 2019-01-25 #19

`su`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru` ⚠️ Not in parent delegation
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=650209987

PTR for

186.2.105.62.in-addr.arpa

187.2.105.62.in-addr.arpa

Previously MX for

ctx.su

Subdomains

www.ctx.su

mail.ctx.su

Same first word

ctx.com.br

ctx.org

ctx.pl

ctx.net

ctx.in

ctx.com.vn

ctx.rocks

ctx.bm

ctx.do

ctx.hk

ctx.com

ctx.cc

ctx.nl

ctx.ch

ctx.global

ctx.cn

ctx.exchange

ctx.dyndns.org

ctx.at

ctx.org.cn

ctx.tel

ctx.com.pl

ctx.academy

ctx.jp

ctx.tips

ctx.ly

ctx.cl

ctx.cx

ctx.com.tw

ctx.app

ctx.de

ctx.us

ctx.me

ctx.edu

ctx.dk

ctx.io

ctx.gmbh

ctx.gr

ctx.ru

ctx.su

ctx.eu

ctx.co

ctx.solutions

ctx.is

ctx.build

ctx.world

ctx.hu

ctx.ink

ctx.info

ctx.xyz

ctx.be

ctx.co.uk

ctx.co.jp

ctx.vn

ctx.co.th

Similar names

tcx.com.pe

xtc.co.nz

txc.cc

tcx.ca

txc.bio

tcx.co.il

tcx.co

tcx.at

tcx.com.br

xtc.com.ua

tcx.es

xtc.eu

cxt.pl

xtc.be

cxt.by

txc.com.mx

xct.ru

txc.cn

xtc.com.hk

tcx.ru

tcx.kr

xtc.dk

cxt.com

tcx.it

xtc.or.id

xct.ca

xct.at

xct.me

cxt.in

xct.email

xct.eu

xtc.events

xct.com.au

xtc.es

xtc.services

xtc.bz

xtc.ca

xtc.app

cxt.co

xtc.co.th

txc.pw

xtc.cz

cxt.nl

txc.se

xct.be

xtc.media

tcx.org

txc.pl

xct.nl

txc.us

tcx.sk

cxt.ru

txc.es

txc.dk

cxt.com.br

xct.de

txc.ru

txc.me

xtc.tc

xct.ro

xtc.salon

tcx.de

xct.cz

txc.in

xtc.at

xtc.us

xtc.biz

xct.org

xtc.it

xtc.gr

tcx.nl

txc.mx

xtc.hu

xct.fr

tcx.us

xct.com

cxt.eu

xtc.com.pl

tcx.ie

txc.tv

tcx.eu

xtc.asia

xct.us

txc.ca

xtc.ro

xct.cn

tcx.se

tcx.jp

xct.co

tcx.net

xtc.cx

DNS History

10 records (7 active, 3 former)

○NSns.ctx.su2015-08-06 → 2018-11-23 · 4 obs

● 2015-08-06 15:54:50
● 2018-11-23 06:14:22
○ 2026-02-19 06:42:38
○ 2026-07-27 09:11:42

●NSns3-l2.nic.ru2026-02-19 → 2026-07-27 · 3 obs

○ 2018-11-23 06:14:22
● 2026-02-19 06:42:38
● 2026-07-27 09:11:42

●NSns4-cloud.nic.ru2026-02-19 → 2026-07-27 · 3 obs

○ 2018-11-23 06:14:22
● 2026-02-19 06:42:38
● 2026-07-27 09:11:42

●NSns4-l2.nic.ru2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 15:54:50
● 2026-07-27 09:11:42

●NSns8-cloud.nic.ru2026-02-19 → 2026-07-27 · 3 obs

○ 2018-11-23 06:14:22
● 2026-02-19 06:42:38
● 2026-07-27 09:11:42

●NSns8-l2.nic.ru2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 15:54:50
● 2026-07-27 09:11:42

○MXctx.su2015-08-06 → 2018-11-23 · 4 obs

● 2015-08-06 15:54:50
● 2018-11-23 06:14:22
○ 2026-02-19 06:42:38
○ 2026-07-27 09:11:42

●MXmail.ctx.su2015-08-06 → 2026-07-27 · 2 obs

● 2015-08-06 15:54:50
● 2026-07-27 09:11:42

○A62.105.2.1862015-08-06 → 2018-11-23 · 4 obs

● 2015-08-06 15:54:50
● 2018-11-23 06:14:22
○ 2026-02-19 06:42:38
○ 2026-07-27 09:11:42

●A62.105.2.1872026-02-19 → 2026-07-27 · 3 obs

○ 2018-11-23 06:14:22
● 2026-02-19 06:42:38
● 2026-07-27 09:11:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net...	10 records
ctx.su	ns4-l2.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns8-l2.nic.ru...	-

✅ Authoritative Response

Server:91.217.20.20

NS records: ns4-l2.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctx.su (unsigned zone)

⏱️ Timing

Total: 1505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.105.2.187`
NS	3	`ns3-l2.nic.ru, ns4-l2.nic.ru...`
MX	1	`mail.ctx.su (pri: 5)`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns3-l2.nic.ru dns.nic.ru`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)

Analysis

Hierarchy

ctx.su is the parent domain of www.ctx.su and mail.ctx.su.

IP Addresses

ctx.su points to a single IP number: 62.105.2.187.

Other host names, such as mail.ctx.su, share IP numbers with ctx.su.

Name Servers

Delegation for ctx.su is to five name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and two others.

ctx.su shares at least some of its name servers with other domains, including cdikuban.com, kaamos.me, aquatep.ru and two others.

These name servers are frequently paired with the name servers ns8-l2.nic.ru and ns8-cloud.nic.ru.

Host names with 6 IP numbers:

ns4-cloud.nic.ru resolves to 89.104.93.30, 89.104.93.33, 89.104.93.34 and 3 other IP addresses.

ns8-cloud.nic.ru resolves to 89.104.93.31, 89.104.93.35, 89.104.93.36 and 3 other IP addresses.

Host names pointing to a single IP address:

ns3-l2.nic.ru points to 193.232.146.1.

ns4-l2.nic.ru points to 91.217.20.20.

ns8-l2.nic.ru points to 91.217.21.20.

Mail Servers

ctx.su has one mail server: mail.ctx.su.

mail.ctx.su resolves to a single IP number: 62.105.2.187.