estud.ru - robtex.com

estud.ru

DNSSEC⚠️ Not signed
A31.41.40.19🇷🇺 ASRELINK31.41.40.0/21 RelinkRoute
PTRs19.cishost.ru
NSs19.cishost.ru ⭐
A2a05:1700:0:19::2🇷🇺 ASRELINK2a05:1700::/48 RelinkRouteIPv6
PTRs19.cishost.ru
A31.41.40.19🇷🇺 ASRELINK31.41.40.0/21 RelinkRoute
PTRs19.cishost.ru
NSns1.cishost.ru
A2a05:1700::a🇷🇺 ASRELINK2a05:1700::/48 RelinkRouteIPv6
PTRns1.cishost.ru
A31.41.42.43🇷🇺 ASRELINK31.41.40.0/21 RelinkRoute
PTRns1.cishost.ru
NSns2.cishost.ru
A2a05:1700:2::3🇷🇺 ASRELINK2a05:1700:2::/48 RelinkRouteIPv6
A185.68.92.3🇷🇺 ASRELINK185.68.92.0/22 RelinkRoute
PTRns2.cishost.ru
MXmail.estud.ru ⭐
A31.41.40.19🇷🇺 ASRELINK31.41.40.0/21 RelinkRoute
PTRs19.cishost.ru
TXTv=spf1 ip4:31.41.40.19 a mx ~all
SOAs19.cishost.rusupport@cishost.ru 2025-12-31 #0

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4068147

Subdomains

mail.estud.ru

Same first word

estud.ru
estud.com
estud.io

Similar names

uetds.net
usted.com
duets.nhs.uk
deuts.org
usdet.com
stude.se
etusd.net
dtseu.com
stedu.com
deuts.cfd
usted.me
eustd.com
edust.de
sdute.com
stude.nl
edust.net
usedt.com
dutes.com
edust.ru
sudet.fi
tsedu.com
duste.com
stude.fi
tudse.dk
tesud.org.tr
stedu.de
sudet.com
stedu.net
deuts.com
suted.com.tr
tedsu.com
edust.com
etusd.org
dsetu.com
usted.ru
deuts.at
stude.biz
stude.com
tesud.com
edust.org
duets.co.uk
tused.org
duset.com
deuts.nl
deust.de
uetds.org
stedu.edu.vn
detus.com
utsed.com
stude.ru
tused.com.tr
uetds.co
uetds.ist
deuts.net
stude.pl
stedu.ro
tusde.com
stedu.gov.cn
usted.co
eduts.com
tudes.net
duets.eu
duets.nl
usted.es
deuts.de
suedt.de

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSns1.cishost.runs2.cishost.rus19.cishost.runs1.sevhost.infons2.sevhost.infoMXmail.estud.ruA31.41.40.19178.218.208.8391.189.87.235
●NSns1.cishost.ru2026-02-20 → 2026-03-21 · 3 obs
○ 2017-03-13 04:08:56
● 2026-02-20 08:10:18
● 2026-03-21 20:22:00
○NSns1.sevhost.info2015-05-19 → 2017-03-13 · 4 obs
● 2015-05-19 20:59:26
● 2017-03-13 04:08:56
○ 2026-02-20 08:10:18
○ 2026-03-21 20:22:00
●NSns2.cishost.ru2026-02-20 → 2026-03-21 · 3 obs
○ 2017-03-13 04:08:56
● 2026-02-20 08:10:18
● 2026-03-21 20:22:00
○NSns2.sevhost.info2015-05-19 → 2017-03-13 · 4 obs
● 2015-05-19 20:59:26
● 2017-03-13 04:08:56
○ 2026-02-20 08:10:18
○ 2026-03-21 20:22:00
●NSs19.cishost.ru2026-02-20 → 2026-03-21 · 3 obs
○ 2017-03-13 04:08:56
● 2026-02-20 08:10:18
● 2026-03-21 20:22:00
●MXmail.estud.ru2015-05-19 → 2026-03-21 · 2 obs
● 2015-05-19 20:59:26
● 2026-03-21 20:22:00
○A178.218.208.832016-04-19 → 2017-03-13 · 5 obs
○ 2016-01-31 03:58:14
● 2016-04-19 12:19:16
● 2017-03-13 04:08:56
○ 2026-02-20 08:10:18
○ 2026-03-21 20:22:00
●A31.41.40.192026-02-20 → 2026-03-21 · 3 obs
○ 2017-03-13 04:08:56
● 2026-02-20 08:10:18
● 2026-03-21 20:22:00
○A91.189.87.2352015-05-19 → 2016-01-31 · 4 obs
● 2015-05-19 20:59:26
● 2016-01-31 03:58:14
○ 2016-04-19 12:19:16
○ 2026-03-21 20:22:00

🔍 DNS Trace

Analysis

Hierarchy

The parent of mail.estud.ru is estud.ru.

IP Addresses

estud.ru points to a single IP address: 31.41.40.19.

Other host names such as mail.efremov.pro, xn--80ahcc7avfgj.xn--p1ai, mail.0vs.ru, bastion52.ru and mail.ifuocn.com share IPs with estud.ru.

Name Servers

estud.ru is delegated to three name servers: ns1.cishost.ru, ns2.cishost.ru and s19.cishost.ru.

estud.ru at least partially shares name servers with other domains, for example vkusnyi-dom.ru, ispss.ru, baninavode.ru, avto-evacuator-nn.ru and illumination.ru.

these name servers are commonly used with the following name servers: s12.cishost.ru, g2.cishost.ru, s18.cishost.ru, s10.cishost.ru, m2.cishost.ru, s16.cishost.ru, s15.cishost.ru, s13.cishost.ru, b1.cishost.ru and dns.

Host names with two IP numbers:

ns1.cishost.ru points to 2a05:1700::a and 31.41.42.43

ns2.cishost.ru points to 2a05:1700:2::3 and 185.68.92.3

s19.cishost.ru points to 2a05:1700:0:19::2 and 31.41.40.19

Mail Servers

The mail.estud.ru mail server handles estud.ru.

mail.estud.ru points to a single IP number: 31.41.40.19.