interstudy.ru - dns.ninja
interstudy.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.105.224.55 | ||||||
| NS | dns.fastdns24.com ⭐ | ||||||
| NS | dns2.fastdns24.org | ||||||
| NS | dns3.fastdns24.eu | ||||||
| NS | dns4.fastdns24.link ⚠️ Not in parent delegation | ||||||
| MX | mail.interstudy.ru ⭐ | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | dns.fastdns24.comsupport@fastvps.ru 2020-04-14 #5 | ||||||
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.nethostmaster@ripn.net serial=4069758 | ||||||
Subdomains
mail.interstudy.ru |
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
●NSdns.fastdns24.com2019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
●NSdns2.fastdns24.org2019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
●NSdns3.fastdns24.eu2019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
●NSdns4.fastdns24.link2019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
○NSexpirepages-kiae-1.nic.ru2016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-03 07:52:28
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
○NSexpirepages-kiae-2.nic.ru2016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-03 07:52:28
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
○NSns1.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 2015-07-14 23:00:34
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
○NSns2.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 2015-07-14 23:00:34
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
●MXmail.interstudy.ru2019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
○MXmx.cm.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 2015-07-14 23:00:34
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
●MXmx.yandex.net2026-02-23 → 2026-07-26 · 3 obs
○ 2019-02-19 02:29:08
● 2026-02-23 15:57:58
● 2026-07-26 19:54:36
● 2026-02-23 15:57:58
● 2026-07-26 19:54:36
○MXnomail.nic.ru2016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-03 07:52:28
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
○A109.70.26.372016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-03 07:52:28
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
●A185.105.224.552019-02-19 → 2026-07-26 · 3 obs
○ 2017-02-12 17:54:28
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
● 2019-02-19 02:29:08
● 2026-07-26 19:54:36
○A194.85.61.762016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-03 07:52:28
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-07-26 19:54:36
○A79.174.72.792015-07-14 → 2017-02-12 · 7 obs
● 2015-07-14 23:00:34
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
● 2015-12-03 07:52:28
○ 2016-03-06 13:44:26
● 2016-06-22 17:32:58
● 2017-02-12 17:54:28
○ 2019-02-19 02:29:08
○ 2026-07-26 19:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru... | - |
| interstudy.ru | dns.fastdns24.com, dns3.fastdns24.eu, dns2.fastdns24.org | - |
✅ Authoritative Response
Server:136.243.223.232
NS records: dns.fastdns24.com, dns3.fastdns24.eu, dns2.fastdns24.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for interstudy.ru (unsigned zone)
⏱️ Timing
Total: 2324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.105.224.55 |
| NS | 4 | dns3.fastdns24.eu, dns4.fastdns24.link... |
| MX | 2 | mx.yandex.net (pri: 10), mail.interstudy.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | dns.fastdns24.com support.fastvps.ru |
Analysis
Hierarchy
interstudy.ru is the parent zone for mail.interstudy.ru.
IP Addresses
interstudy.ru directs to one IP number, which is 185.105.224.55.
Name Servers
The domain interstudy.ru is delegated to these four name servers: dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org.
Mail Servers
The MX records for interstudy.ru point to two mail servers: mx.yandex.net and mail.interstudy.ru.
Hosts with two IP numbers each:
The A records for mx.yandex.net return 77.88.21.249 and 2a02:6b8::311.