irkstudy.ru - robtex.com
irkstudy.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068808 | ||||||
Subdomains
www.irkstudy.ru |
Same first word
irkstudy.ru |
DNS History
13 records (8 active, 5 former)
○NSexp1.nameself.com2026-03-16 → 2026-03-20 · 5 obs
● 2026-03-16 18:55:50
● 2026-03-20 21:38:00
○ 2026-04-04 04:04:30
○ 2026-05-09 05:59:34
○NSexp2.nameself.com2026-03-16 → 2026-03-20 · 5 obs
● 2026-03-16 18:55:50
● 2026-03-20 21:38:00
○ 2026-04-04 04:04:30
○ 2026-05-09 05:59:34
●NSns1.timeweb.ru2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●NSns2.timeweb.ru2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●NSns3.timeweb.org2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●NSns4.timeweb.org2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●MXmx.yandex.ru2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●MXmx2.yandex.ru2015-05-08 → 2026-05-09 · 6 obs
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
●A2a03:6f00:1::5c35:608f2026-02-23 → 2026-05-09 · 7 obs
● 2026-02-23 00:10:08
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
○A2a03:6f00:1::5c35:710a2015-05-08 → 2016-09-11 · 4 obs
● 2016-09-11 13:58:24
○ 2026-02-23 00:10:08
○ 2026-05-09 05:59:34
○A88.212.208.672026-03-16 → 2026-03-20 · 5 obs
● 2026-03-16 18:55:50
● 2026-03-20 21:38:00
○ 2026-04-04 04:04:30
○ 2026-05-09 05:59:34
○A92.53.113.102015-05-08 → 2016-09-11 · 4 obs
● 2016-09-11 13:58:24
○ 2026-02-23 00:10:08
○ 2026-05-09 05:59:34
●A92.53.96.1432026-02-23 → 2026-05-09 · 7 obs
● 2026-02-23 00:10:08
● 2026-03-11 04:04:04
○ 2026-03-16 18:55:50
○ 2026-03-20 21:38:00
● 2026-04-04 04:04:30
● 2026-05-09 05:59:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net... | - |
| irkstudy.ru | ns1.timeweb.ru, ns2.timeweb.ru | 2 records |
✅ Authoritative Response
Server:85.193.93.85
NS records: ns1.timeweb.ru, ns2.timeweb.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for irkstudy.ru (unsigned zone)
⏱️ Timing
Total: 662ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.53.96.143 |
| AAAA | 1 | 2a03:6f00:1::5c35:608f |
| NS | 4 | ns2.timeweb.ru, ns1.timeweb.ru... |
| MX | 2 | mx.yandex.ru (pri: 10), mx2.yandex.ru (pri: 20) |
| TXT | 1 | v=spf1 ip4:92.53.116.0/22 ip4:92.53.96.0 |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)
Analysis
Hierarchy
www.irkstudy.ru is a child of irkstudy.ru.
IP Addresses
irkstudy.ru has two IP numbers: 2a03:6f00:1::5c35:608f and 92.53.96.143.
Other host names, for instance aris-geser.ru, macrooptica.ru, www.autodiscover.oaodsm.ru, igs-russia.ru and ippica.ru share IP numbers with irkstudy.ru.
Name Servers
irkstudy.ru delegates to four name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
irkstudy.ru at least partially shares name servers with other domains, including dbglab.ru, fenixforum.ru, environmentalgoods.ru, komplekt-premier.ru and 116.23.225.188.in-addr.arpa.
Host names with two IP numbers: ns3.timeweb.org points to 2a03:6f07:4::2 and 217.78.234.130; ns4.timeweb.org points to 2a00:65e0:6:5:232a::2 and 139.45.249.139; ns1.timeweb.ru points to 2a03:6f04:dead:bee::1 and 85.193.93.93; ns2.timeweb.ru points to 2a03:6f04:dead:bee::2 and 85.193.93.85.
Mail Servers
irkstudy.ru is served by two mail servers mx2.yandex.ru and mx.yandex.ru.
irkstudy.ru shares the same mail server setup as other domains, for instance chiphome.ru, kodovoe-slovo.ru, giper-spb.ru, www.irkstudy.ru and galtovka.su.
irkstudy.ru shares at least some mail servers with other domains, for example r3r-srr.ru, www.ridcom.ru, ds01.nsportal.ru, xn--g1afmhegf0e.xn--p1ai and acyogk.ru.
these mail servers commonly accompany mx1.yandex.ru, mx3.yandex.ru and mx.yandex.net.
Host names with two IP numbers:
mx.yandex.ru points to 2a02:6b8::311 and 77.88.21.249.
Host names with one IP number:
mx2.yandex.ru points to 77.88.21.249.
Host names that point to 77.88.21.249: mx.yandex.ru and mx2.yandex.ru.