cu.ru - dns.ninja

`cu.ru`

DNSSEC	⚠️ Not signed
A	84.201.185.124^{🇷🇺 YandexCloud84.201.184.0/22 Yandex Cloud}
NS	`ns1.yandexcloud.net` ⭐
		A	2a0d:d6c1:0:1a::1b4^{🇷🇺 YandexCloud2a0d:d6c1::/32}
			PTR	`ns1.yandexcloud.net`
		A	84.201.185.208^{🇷🇺 YandexCloud84.201.184.0/22 Yandex Cloud}
			PTR	`ns1.yandexcloud.net`
NS	`ns2.yandexcloud.net`
		A	2a0d:d6c1:0:1a::2c9^{🇷🇺 YandexCloud2a0d:d6c1::/32}
			PTR	`ns2.yandexcloud.net`
		A	84.201.189.229^{🇷🇺 YandexCloud84.201.188.0/23 Yandex Cloud}
			PTR	`ns2.yandexcloud.net`
MX	`mxs.tbank.ru` ⭐
		A	91.218.133.30^{🇷🇺 TCS-AS91.218.133.0/24}
			PTR	`mxs.tbank.ru`
		A	91.218.133.31^{🇷🇺 TCS-AS91.218.133.0/24}
			PTR	`mxs.tbank.ru`
		A	91.218.134.15^{🇷🇺 TCS-AS91.218.134.0/24}
			PTR	`mxs.tbank.ru`
		A	91.218.134.16^{🇷🇺 TCS-AS91.218.134.0/24}
			PTR	`mxs.tbank.ru`
		A	212.233.80.8^{🇷🇺 TCS-AS212.233.80.0/24}
			PTR	`mxs.tbank.ru`
		A	212.233.80.9^{🇷🇺 TCS-AS212.233.80.0/24}
			PTR	`mxs.tbank.ru`
TXT	`_globalsign-domain-verification=i1kd7TN6f6AJiUhk3AurUH3cM8EM0z60wVyvTSQwR8`
TXT	`v=spf1 include:_spf.tcsbank.ru -all`
SOA	`ns1.yandexcloud.net`mx@cloud.yandex.net serial=1

`ru`

	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=4069832

rank #669367 globally
rank #20975 in the tld
📈 Tranco rank: #135,205

Subdomains

apply.cu.ru

*.cu.ru

event.cu.ru

my.cu.ru

www.cu.ru

Same first word

cu.ma

cu.ie

cu.nu

cu.com.pl

cu.careers

cu.se

cu.edu.kz

cu.edu.la

cu.chat

cu.edu.ge

cu.edu.eg

cu.sk.ca

cu.org.tw

cu.edu

cu.com

cu.zone

cu.uz

cu.si

cu.pl

cu.no

cu.st

cu.net

cu.vg

cu.tn

cu.com.au

cu.to

cu.kz

cu.my

cu.gs

cu.ms

cu.edu.so

cu.edu.ng

cu.be

cu.co

cu.ca

cu.ee

cu.fr

cu.cm

cu.la

cu.am

cu.edu.pk

cu

cu.fm

cu.vc

cu.ac.ae

cu.lu

cu.edu.tr

cu.co.kr

cu.edu.ph

cu.hu

cu.net.au

cu.ws

cu.kiev.ua

cu.ac.mw

cu.coop.py

cu.studio

cu.mi.it

cu.org

cu.support

cu.ac

cu.com.ua

cu.hl.cn

cu.co.th

cu.cx

cu.law

cu.net.tw

cu.by

cu.lt

cu.nl

cu.rs

cu.tc

cu.cz

cu.ru

cu.com.tw

cu.ac.kr

cu.cc.ua

cu.com.py

Similar names

uc.life

uc.vc

uc.ac.cr

uc.lv

uc.qld.edu.au

uc.org

uc.zone

uc.edu.ph

uc.kz

uc.or.kr

uc.uk

uc.fm

uc.to

uc.chat

uc.no

uc.org.uy

uc.gen.tr

uc.cz

uc.pl

uc.xyz

uc.hk

uc.edu.au

uc.lc

uc.k12.in.us

uc.com.mx

uc.com.my

uc.edu.co

uc.wtf

uc.sk

uc.gg

uc.net.ua

uc.network

uc.money

uc.ie

uc.com

uc.edu.pe

uc.se

uc.solutions

uc.com.ua

uc.dk

uc.ee

uc.ma

uc.uy

uc.kr.ua

uc.kiev.ua

uc.rw

uc.works

uc.partners

uc.cn

uc.by

uc.hu

DNS History

28 records (4 active, 24 former)

○NSns.parkline.ru2008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○NSns1.hc.ru2008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○NSns1.snparking.ru2016-12-02 → 2021-06-25 · 5 obs

○ 2016-11-17 15:56:04
● 2016-12-02 12:56:36
● 2021-06-25 05:20:08
○ 2026-02-17 09:23:56
○ 2026-08-01 22:09:52

●NSns1.yandexcloud.net2026-02-17 → 2026-08-01 · 3 obs

○ 2021-06-25 05:20:08
● 2026-02-17 09:23:56
● 2026-08-01 22:09:52

○NSns2.den.ru2008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○NSns2.hc.ru2008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○NSns2.snparking.ru2016-12-02 → 2021-06-25 · 5 obs

○ 2016-11-17 15:56:04
● 2016-12-02 12:56:36
● 2021-06-25 05:20:08
○ 2026-02-17 09:23:56
○ 2026-08-01 22:09:52

●NSns2.yandexcloud.net2026-02-17 → 2026-08-01 · 3 obs

○ 2021-06-25 05:20:08
● 2026-02-17 09:23:56
● 2026-08-01 22:09:52

○NSns3.salenames.ru2015-09-01 → 2016-11-17 · 5 obs

○ 2008-11-24 21:52:16
● 2015-09-01 03:24:38
● 2016-11-17 15:56:04
○ 2016-12-02 12:56:36
○ 2026-08-01 22:09:52

○NSns4.salenames.ru2015-09-01 → 2016-11-17 · 5 obs

○ 2008-11-24 21:52:16
● 2015-09-01 03:24:38
● 2016-11-17 15:56:04
○ 2016-12-02 12:56:36
○ 2026-08-01 22:09:52

○NSsnparking.com2016-12-02 → 2017-05-23 · 5 obs

○ 2016-11-17 15:56:04
● 2016-12-02 12:56:36
● 2017-05-23 21:20:16
○ 2017-10-16 22:01:38
○ 2026-08-01 22:09:52

○NSve.nu2008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○MX148.240.4.322015-09-14 → 2015-11-03 · 5 obs

○ 2015-09-01 03:24:38
● 2015-09-14 22:42:08
● 2015-11-03 07:15:58
○ 2015-11-09 16:19:12
○ 2026-08-01 22:09:52

○MX148.240.4.322015-09-01 → 2015-09-01 · 4 obs

○ 2008-11-24 21:52:16
● 2015-09-01 03:24:38
○ 2015-09-14 22:42:08
○ 2026-08-01 22:09:52

○MXdial-148-240-4-32.zone-1.ip.static-ftth.axtel.net.mx2015-11-09 → 2015-11-18 · 5 obs

○ 2015-11-03 07:15:58
● 2015-11-09 16:19:12
● 2015-11-18 07:03:24
○ 2015-11-21 20:40:18
○ 2026-08-01 22:09:52

○MXmx3.snbox.ru2018-12-08 → 2019-11-06 · 5 obs

○ 2016-12-02 12:56:36
● 2018-12-08 05:16:24
● 2019-11-06 12:30:08
○ 2020-01-28 10:35:50
○ 2026-08-01 22:09:52

●MXmxs.tbank.ru2026-02-17 → 2026-08-01 · 7 obs

○ 2021-06-25 05:20:08
● 2026-02-17 09:23:56
○ 2026-07-02 12:07:56
● 2026-07-02 16:53:38
○ 2026-07-03 23:11:34
● 2026-07-04 00:01:38
● 2026-08-01 22:09:52

○MXvoid.blackhole.mx2015-11-21 → 2021-06-25 · 9 obs

○ 2015-11-18 07:03:24
● 2015-11-21 20:40:18
● 2016-11-17 15:56:04
○ 2016-12-02 12:56:36
○ 2019-11-06 12:30:08
● 2020-01-28 10:35:50
● 2021-06-25 05:20:08
○ 2026-02-17 09:23:56
○ 2026-08-01 22:09:52

○A109.206.181.752017-02-22 → 2019-11-06 · 5 obs

○ 2017-01-22 15:16:22
● 2017-02-22 01:59:18
● 2019-11-06 12:30:08
○ 2020-01-28 10:35:50
○ 2026-08-01 22:09:52

○A109.206.190.542015-10-14 → 2016-11-17 · 9 obs

○ 2015-09-19 09:46:16
● 2015-10-14 19:07:42
● 2016-01-02 15:41:04
○ 2016-02-06 10:49:18
○ 2016-06-12 02:59:22
● 2016-06-30 13:48:22
● 2016-11-17 15:56:04
○ 2016-12-02 12:56:36
○ 2026-08-01 22:09:52

○A185.53.179.402017-01-22 → 2017-01-22 · 4 obs

○ 2017-01-15 13:28:44
● 2017-01-22 15:16:22
○ 2017-02-22 01:59:18
○ 2026-08-01 22:09:52

○A192.237.187.2082016-02-06 → 2016-06-12 · 8 obs

○ 2016-01-02 15:41:04
● 2016-02-06 10:49:18
● 2016-03-10 11:18:24
○ 2016-03-25 13:40:52
○ 2016-05-25 07:54:08
● 2016-06-12 02:59:22
○ 2016-06-30 13:48:22
○ 2026-08-01 22:09:52

○A212.227.34.32008-11-24 → 2008-11-24 · 3 obs

● 2008-11-24 21:52:16
○ 2015-09-01 03:24:38
○ 2026-08-01 22:09:52

○A62.122.170.1712020-01-28 → 2021-06-25 · 5 obs

○ 2019-11-06 12:30:08
● 2020-01-28 10:35:50
● 2021-06-25 05:20:08
○ 2026-02-17 09:23:56
○ 2026-08-01 22:09:52

○A78.140.173.732015-09-01 → 2015-09-19 · 5 obs

○ 2008-11-24 21:52:16
● 2015-09-01 03:24:38
● 2015-09-19 09:46:16
○ 2015-10-14 19:07:42
○ 2026-08-01 22:09:52

●A84.201.185.1242026-02-17 → 2026-08-01 · 7 obs

○ 2021-06-25 05:20:08
● 2026-02-17 09:23:56
○ 2026-07-02 12:07:56
● 2026-07-02 16:53:38
○ 2026-07-03 23:11:34
● 2026-07-04 00:01:38
● 2026-08-01 22:09:52

○A91.195.240.1352016-12-02 → 2017-01-15 · 5 obs

○ 2016-11-17 15:56:04
● 2016-12-02 12:56:36
● 2017-01-15 13:28:44
○ 2017-01-22 15:16:22
○ 2026-08-01 22:09:52

○A91.195.241.862016-03-25 → 2016-05-25 · 5 obs

○ 2016-03-10 11:18:24
● 2016-03-25 13:40:52
● 2016-05-25 07:54:08
○ 2016-06-12 02:59:22
○ 2026-08-01 22:09:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
cu.ru	ns2.yandexcloud.net, ns1.yandexcloud.net	-

✅ Authoritative Response

Server:84.201.189.229

NS records: ns2.yandexcloud.net, ns1.yandexcloud.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu.ru (unsigned zone)

⏱️ Timing

Total: 1252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`84.201.185.124`
NS	2	`ns1.yandexcloud.net, ns2.yandexcloud.net`
MX	1	`mxs.tbank.ru (pri: 10)`
TXT	2	`_globalsign-domain-verification=i1kd7TN6, v=spf1 include:_spf.tcsbank.ru -all`
SOA	1	`ns1.yandexcloud.net mx.cloud.yandex.net`

Analysis

Hierarchy

apply.cu.ru, *.cu.ru, event.cu.ru, my.cu.ru and www.cu.ru are all subdomains of cu.ru.

IP Addresses

cu.ru has exactly one IP address — 84.201.185.124.

The host names apply.cu.ru, centraluniversity.ru, event.cu.ru and www.cu.ru all share IP numbers with cu.ru.

Name Servers

DNS delegation for cu.ru points to two name servers: ns1.yandexcloud.net and ns2.yandexcloud.net.

The name server configuration of cu.ru is shared with other domains, for instance xn----ctbfggjf0anaeki8a4dxd.xn--p1ai, ks-technology.ru, arigami.tech and two others.

cu.ru shares at least some of its name servers with domains including anty-api.com, ipdrom.kz and cldmbx-sender-06.ru

ns1.yandexcloud.net directs to 84.201.185.208 and 2a0d:d6c1:0:1a::1b4. ns2.yandexcloud.net directs to 84.201.189.229 and 2a0d:d6c1:0:1a::2c9. Each host name carries two IP addresses.

Mail Servers

cu.ru uses one mail server — mxs.tbank.ru.

The mail server setup of cu.ru matches that of other domains such as custody.ru, t-technologies.ru, booking-tec.ru and two others.

At least some of the mail servers used by cu.ru are shared with other domains: ucscards.ru, ucs.su, abgcard.ru and two others among them.

These mail servers are often deployed together with fail.tendence.ru, mail3.tendence.ru, mail4.tendence.ru and 5 other mail servers.

mxs.tbank.ru has 6 IP addresses: 91.218.133.30, 91.218.133.31, 91.218.134.15 plus 3 more.