ruc.su - dns.ninja

`ruc.su`

DNSSEC	⚠️ Not signed
A	185.129.100.237^{🇷🇺 DDOS-GUARD185.129.100.0/24 LTD}
		PTR	`ddos-guard.net`
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}
			PTR	`ns4-l2.nic.ru`
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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`MS=ms12915316`
TXT	`mailru-domain: TkHjv2BqOtsPbXHS`
TXT	`mailru-domain: v7A8e7fqvrYbUfQ7`
TXT	`yandex-verification: 20b1f12a12d6e195`
TXT	`MS=90169BEAB28BA599591E1DAB92CB18169693E624`
TXT	`WAQxt0MkOilmN5xqa9vf4Z+u984d2xXGp0E2/D97jYI=`
TXT	`unisender-go-validate-hash=6a02c02bfe502a3ff612a596ee679430`
TXT	`google-site-verification=I8QiIzlKMPwRw-txb5iKs52egGmzw6ABjJ1XYNsKDGY`
TXT	`globalsign-domain-verification=JqaVPfI1OuhH9WtzIezTYwkh_Lq7y0LygQvZ-_UC_j`
TXT	`globalsign-domain-verification=O3kVM8ltPg_41f9VAiLWQmVIiieOTuWjfcY7SUDl5P`
TXT	`_globalsign-domain-verification=8ayDghhjQDlEvWUCcJHPgL-e8NX3iqW3nuj6Tz561w`
TXT	`_globalsign-domain-verification=KX4tV6orEMWsZF1OWqJS9A3F8XGA46PWgHe6ps8Xhv`
TXT	`_globalsign-domain-verification=PrVzJBBDdr1Gr1IVEDIGJYBfcYHgfykSI6t0LOmBpm`
TXT	`_globalsign-domain-verification=_b6tRsX-140xdwl1-IUSf42DfExJ15J6_H-qB8q3lD`
TXT	`_globalsign-domain-verification=eEIRUBOu6A8gxd5VTqZU3buxI1njUsJRxW1kbS3sUy`
TXT	`_globalsign-domain-verification=lyYnBukeZTbbQBIfz1X9vHmqN8hqw7jDLridflklGR`
TXT	`_globalsign-domain-verification=n701C11p14Rx593TepP3R72EEE9U5-h5FpRhtgJ7fK`
TXT	`_globalsign-domain-verification=rcAU5zWABOcb5R1qVrLkHZyEMgARlnO8ajd_cpdzPe`
TXT	`adobe-idp-site-verification=2ecea2182f2cbcca81b341c7939dc5a18470da5d48bbcd6b5...`
TXT	`v=spf1 ip4:195.170.52.104 ip4:195.170.52.105 include:spf.unisender.com includ...`
SOA	`ns3-l2.nic.ru`degorichev@ruc.su serial=65013051

`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=650210113

rank #246760 globally
rank #90 in the tld

ruc.su

ruc.suis the official website of the Russian University of Cooperation, an educational institution based in Russia. The site is run by the university under the authority of the Central Council of the Russian Federation (Centrosoyuz).

Key facts

Owner / operator: Russian University of Cooperation (Centrosoyuz)
TLD:.su— Soviet Union
Primary purpose: Official university website
Status: active

History

Year	Event
1912	Foundation of the institution as the Higher Cooperative School.
2006	The university is renamed to the Russian University of Cooperation.
2006	Registration of the`ruc.su`domain name.

Related domains

rucoop.ru— Another official domain for the Russian University of Cooperation.

WOT: SAFE (64/100)
📈 Tranco rank: #225,626
⚠️ On DNS blocklist: spam-tlds

Subdomains

saransk.ruc.su

kazan.ruc.su

schedule.ruc.su

ufa.ruc.su

vladimir.ruc.su

khabarovsk.ruc.su

volgograd.ruc.su

cheb.ruc.su

engels.ruc.su

www.ruc.su

krasnodar.ruc.su

smolensk.ruc.su

izhevsk.ruc.su

pk.ruc.su

kaliningrad.ruc.su

new-schedule.ruc.su

mail.ruc.su

Same first word

ruc.se

ruc.today

ruc.fr

ruc.nu

ruc.su

ruc.co.nz

ruc.info

ruc.pl

ruc.in

ruc.org.za

ruc.pt

ruc.ch

ruc.net

ruc.com.py

ruc.pe

ruc.com.pe

ruc.de

ruc.dk

ruc.casino

ruc.com.br

ruc.at

ruc.bg

ruc.com

ruc.us

ruc.tw

ruc.ca

ruc.edu.iq

ruc.co

ruc.es

ruc.com.cn

ruc.be

ruc.edu.cn

ruc.ec

ruc.police.uk

ruc.eu

ruc.com.au

ruc.cz

Similar names

rcu.net

cru.sg

cru.cc

ucr.careers

cru.tech

cru.co.kr

ucr.biz

ucr.org.ar

ucr.ru

cru.tools

rcu.edu

cru.net.cn

ucr.cc

ucr.net

urc.ac

cru.ch

cru.homes

ucr.foundation

cru.tw

urc.com.my

cru.cash

urc.ir

urc.net

ucr.in

cru.ca

cur.bz

rcu.info

cur.ru

cru.es

rcu.org

cru.pl

cru.events

cur.tv

cru.productions

rcu.co.kr

urc.fr

ucr.agency

cur.at

ucr.cr

urc.cz

urc.it

urc.fi

cru.im

urc.de

cru.su

urc.ph

cru.do

ucr.training

cru.com

rcu.mb.ca

rcu.co

cru.be

rcu.gov.sa

cru.report

urc.pl

cur.xyz

ucr.expert

rcu.ch

urc.kr

cur.cl

urc.eu

urc.us

urc.jp

cru.world

ucr.ac.lk

rcu.com.au

ucr.academy

ucr.co.jp

cur.watch

ucr.ir

urc.com.ua

ucr.se

ucr.nl

ucr.hk

ucr.dk

ucr.solutions

rcu.fi

cur.hamburg

urc.ac.ru

cur.com.br

rcu.in

rcu.se

rcu.co.uk

urc.cn

cur.gmbh

ucr.business

cru.media

ucr.world

ucr.life

cur.rent

rcu.ac.zw

rcu.cz

urc.uz

rcu.mobi

cru.sk

ucr.com.cn

cur.ac.rw

urc.rs.ba

cru.de

cru.org.sg

cru.ac.th

cur.edu.uy

cru.me

ucr.edu

cru.cat

DNS History

15 records (11 active, 4 former)

●NSns3-l2.nic.ru2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 01:19:32
● 2026-08-06 20:43:54

●NSns4-cloud.nic.ru2026-02-17 → 2026-08-06 · 3 obs

○ 2015-08-30 01:19:32
● 2026-02-17 06:49:48
● 2026-08-06 20:43:54

●NSns4-l2.nic.ru2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 01:19:32
● 2026-08-06 20:43:54

●NSns8-cloud.nic.ru2026-02-17 → 2026-08-06 · 3 obs

○ 2015-08-30 01:19:32
● 2026-02-17 06:49:48
● 2026-08-06 20:43:54

●NSns8-l2.nic.ru2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 01:19:32
● 2026-08-06 20:43:54

●MXalt1.aspmx.l.google.com2019-09-05 → 2026-08-06 · 3 obs

○ 2018-03-05 15:24:06
● 2019-09-05 15:57:14
● 2026-08-06 20:43:54

●MXalt2.aspmx.l.google.com2019-09-05 → 2026-08-06 · 3 obs

○ 2018-03-05 15:24:06
● 2019-09-05 15:57:14
● 2026-08-06 20:43:54

●MXalt3.aspmx.l.google.com2019-09-05 → 2026-08-06 · 3 obs

○ 2018-03-05 15:24:06
● 2019-09-05 15:57:14
● 2026-08-06 20:43:54

●MXalt4.aspmx.l.google.com2019-09-05 → 2026-08-06 · 3 obs

○ 2018-03-05 15:24:06
● 2019-09-05 15:57:14
● 2026-08-06 20:43:54

●MXaspmx.l.google.com2019-09-05 → 2026-08-06 · 3 obs

○ 2018-03-05 15:24:06
● 2019-09-05 15:57:14
● 2026-08-06 20:43:54

○MXmail.ruc.su2015-08-30 → 2018-03-05 · 4 obs

● 2015-08-30 01:19:32
● 2018-03-05 15:24:06
○ 2019-09-05 15:57:14
○ 2026-08-06 20:43:54

●A185.129.100.2372026-02-17 → 2026-08-06 · 3 obs

○ 2021-09-01 12:59:10
● 2026-02-17 06:49:48
● 2026-08-06 20:43:54

○A185.76.144.1562016-01-15 → 2019-10-24 · 5 obs

○ 2016-01-02 00:12:54
● 2016-01-15 00:59:00
● 2019-10-24 14:34:12
○ 2021-09-01 12:59:10
○ 2026-08-06 20:43:54

○A195.170.52.1002015-08-30 → 2016-01-02 · 4 obs

● 2015-08-30 01:19:32
● 2016-01-02 00:12:54
○ 2016-01-15 00:59:00
○ 2026-08-06 20:43:54

○A213.139.211.1932021-09-01 → 2021-09-01 · 4 obs

○ 2019-10-24 14:34:12
● 2021-09-01 12:59:10
○ 2026-02-17 06:49:48
○ 2026-08-06 20:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
su	b.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net...	12 records
ruc.su	ns3-l2.nic.ru, ns4-l2.nic.ru, ns4-cloud.nic.ru, ns8-l2.nic.ru...	-

✅ Authoritative Response

Server:193.232.146.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruc.su (unsigned zone)

⏱️ Timing

Total: 2673ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.129.100.237`
NS	3	`ns3-l2.nic.ru, ns4-l2.nic.ru...`
MX	5	`aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...`
TXT	20	`MS=ms12915316, mailru-domain: TkHjv2BqOtsPbXHS...`
SOA	1	`ns3-l2.nic.ru degorichev.ruc.su`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

saransk.ruc.su, kazan.ruc.su, schedule.ruc.su, ufa.ruc.su, vladimir.ruc.su and a few other host names are all children of ruc.su.

IP Addresses

ruc.su has exactly one IP address — 185.129.100.237.

schedule.ruc.su, ufa.ruc.su, vladimir.ruc.su plus two other host names have IP numbers in common with ruc.su.

Name Servers

Five name servers handle delegation for ruc.su: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and two others.

The name servers of ruc.su overlap at least partially with those of other domains — among them svs4.ru, brandnew.ru, fbg-leasing.com and two more.

The name servers ns8-l2.nic.ru, ns8-cloud.nic.ru and ns3.nic.ru are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

ns4-cloud.nic.ru carries IP addresses 89.104.93.30, 89.104.93.33 and 89.104.93.34, with 3 other addresses beyond those.

ns8-cloud.nic.ru carries IP addresses 89.104.93.31, 89.104.93.35 and 89.104.93.36, with 3 other addresses beyond those.

Host names resolving to a single IP address:

ns3-l2.nic.ru points to the IP address 193.232.146.1.

ns4-l2.nic.ru points to the IP address 91.217.20.20.

ns8-l2.nic.ru points to the IP address 91.217.21.20.

Mail Servers

ruc.su has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by ruc.su are shared with other domains: cancerdocs.org, ns500821.ns500821.ns500795.ns500794.ns500795.ns500821.ns500790.ns500795.lustypartnersfinder.com, lapolo.in and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com maps to two IP addresses — 192.178.155.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.