edustud.ru - robtex.com

edustud.ru

DNSSEC⚠️ Not signed
A81.90.181.35🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRhost-c8b125da.hostiman.com
NSs189016.hostiman.com ⭐
A81.90.181.35🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRhost-c8b125da.hostiman.com
NSns1.hostiman.ru
A81.90.180.66🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRns1.hostiman.ru
NSns2.hostiman.ru
A188.68.220.162🇷🇺 SELECTEL188.68.220.0/22 Selectel Route Object
PTRns2.hostiman.ru
NSns3.hostiman.com ⚠️ Not in zone NS records
A81.90.180.68🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRns3.hostiman.ru
NSns3.hostiman.ru ⚠️ Not in parent delegation
A81.90.180.68🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRns3.hostiman.ru
NSns4.hostiman.com ⚠️ Not in zone NS records
A62.217.180.16🇷🇺 BEGET-AS62.217.180.0/24 BEGET.RU
PTRns4.hostiman.ru
NSns4.hostiman.ru ⚠️ Not in parent delegation
A62.217.180.16🇷🇺 BEGET-AS62.217.180.0/24 BEGET.RU
PTRns4.hostiman.ru
MXmail.edustud.ru ⭐
A81.90.181.35🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRhost-c8b125da.hostiman.com
MXmail.edustud.ru(20)
A81.90.181.35🇷🇺 SELECTEL-MSK81.90.180.0/22
PTRhost-c8b125da.hostiman.com
TXTv=spf1 ip4:81.90.181.35 a mx ~all
SOAs189016.hostiman.comroot@example.com 2021-04-08 #21

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.edustud.ru

Same first word

edustud.ru
edustud.org
edustud.com
edustud.nic.in

Similar names

sudetud.com
sutdedu.com
tududes.com

DNS History

17 records (9 active, 8 former)

20162017201820192020202120222023202420252026NSns1.hostiman.runs2.hostiman.runs3.hostiman.comns3.hostiman.runs4.hostiman.comns4.hostiman.rus189016.hostiman.comlw1232.ua-hosting.companyns1.1gb.runs1.ua-hosting.companyns2.1gb.runs2.ua-hosting.companyMXmail.edustud.rumail-s30.1gb.ruA81.90.181.35207.244.96.4081.177.49.6
○NSlw1232.ua-hosting.company2017-02-19 → 2017-02-19 · 3 obs
○ 2016-06-25 23:08:32
● 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
○NSns1.1gb.ru2015-08-09 → 2016-06-25 · 4 obs
● 2015-08-09 23:27:16
● 2016-06-25 23:08:32
○ 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
●NSns1.hostiman.ru2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
○NSns1.ua-hosting.company2017-02-19 → 2017-02-19 · 3 obs
○ 2016-06-25 23:08:32
● 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
○NSns2.1gb.ru2015-08-09 → 2016-06-25 · 4 obs
● 2015-08-09 23:27:16
● 2016-06-25 23:08:32
○ 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
●NSns2.hostiman.ru2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
○NSns2.ua-hosting.company2017-02-19 → 2017-02-19 · 3 obs
○ 2016-06-25 23:08:32
● 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
●NSns3.hostiman.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
●NSns3.hostiman.ru2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
●NSns4.hostiman.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
●NSns4.hostiman.ru2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
●NSs189016.hostiman.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
○MXmail-s30.1gb.ru2015-08-09 → 2016-06-25 · 4 obs
● 2015-08-09 23:27:16
● 2016-06-25 23:08:32
○ 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
●MXmail.edustud.ru2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14
○A207.244.96.402017-02-19 → 2017-02-19 · 3 obs
○ 2016-06-25 23:08:32
● 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
○A81.177.49.62015-08-09 → 2016-06-25 · 4 obs
● 2015-08-09 23:27:16
● 2016-06-25 23:08:32
○ 2017-02-19 18:40:30
○ 2026-03-24 03:43:14
●A81.90.181.352026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-19 18:40:30
● 2026-03-24 03:43:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
edustud.runs1.hostiman.ru, ns2.hostiman.ru, ns3.hostiman.com, ns4.hostiman.com-

✅ Authoritative Response

Server:62.217.180.16

NS records: ns1.hostiman.ru, ns2.hostiman.ru, ns3.hostiman.com, ns4.hostiman.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edustud.ru (unsigned zone)

⏱️ Timing

Total: 1976ms | Queries: -

📄 Records

TypeCountSample Data
A181.90.181.35
NS4ns3.hostiman.ru, ns4.hostiman.ru...
MX2mail.edustud.ru (pri: 20), mail.edustud.ru (pri: 10)
TXT1v=spf1 ip4:81.90.181.35 a mx ~all
SOA1s189016.hostiman.com root.example.com

Analysis

Hierarchy

The parent of mail.edustud.ru is edustud.ru.

IP Addresses

edustud.ru points to a single IP: 81.90.181.35.

Other host names, for instance mail.smart-tender.ru, smart-tender.ru, host-c8b125da.hostiman.com, www.host-c8b125da.hostiman.com and www.smart-tender.ru share IP numbers with edustud.ru.

Name Servers

edustud.ru is delegated to seven name servers: ns3.hostiman.com, ns4.hostiman.com, s189016.hostiman.com, ns1.hostiman.ru, ns2.hostiman.ru, ns3.hostiman.ru and ns4.hostiman.ru.

edustud.ru partially shares name servers with other domains; examples include nwtools.ru, kartyonline.ru, magic-faculty.ru, updatedro.ru and zvst.ru.

These name servers are commonly used alongside ruvip51.hostiman.ru, ruvip66.hostiman.ru, ruvip54.hostiman.ru, ruvip68.hostiman.ru, ruvip69.hostiman.ru, ruvip63.hostiman.ru, ruvip42.hostiman.ru, s267980.hostiman.com, ruvip55.hostiman.ru and vip70.hostiman.ru.

Host names with a single IP:

ns3.hostiman.com points to 81.90.180.68

ns4.hostiman.com points to 62.217.180.16

s189016.hostiman.com points to 81.90.181.35

ns1.hostiman.ru points to 81.90.180.66

ns2.hostiman.ru points to 188.68.220.162

ns3.hostiman.ru points to 81.90.180.68

ns4.hostiman.ru points to 62.217.180.16

Host names pointing to 81.90.180.68: ns3.hostiman.com and ns3.hostiman.ru

Host names pointing to 62.217.180.16: ns4.hostiman.com and ns4.hostiman.ru

Mail Servers

edustud.ru is handled by two mail servers: mail.edustud.ru and mail.edustud.ru.

Host names with a single IP:

mail.edustud.ru points to 81.90.181.35.