interstudy.ru - robtex.com
interstudy.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=4068619 | ||||||
Subdomains
mail.interstudy.ru |
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
●NSdns.fastdns24.com2019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
●NSdns2.fastdns24.org2019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
●NSdns3.fastdns24.eu2019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
●NSdns4.fastdns24.link2019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
○NSexpirepages-kiae-1.nic.ru2016-03-06 → 2016-03-06 · 4 obs
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-04-23 12:02:34
○NSexpirepages-kiae-2.nic.ru2016-03-06 → 2016-03-06 · 4 obs
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-04-23 12:02:34
○NSns1.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 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
○ 2026-04-23 12:02:34
○NSns2.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 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
○ 2026-04-23 12:02:34
●MXmail.interstudy.ru2019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
○MXmx.cm.hc.ru2015-07-14 → 2017-02-12 · 7 obs
● 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
○ 2026-04-23 12:02:34
●MXmx.yandex.net2026-02-23 → 2026-04-23 · 3 obs
● 2026-02-23 15:57:58
● 2026-04-23 12:02:34
○MXnomail.nic.ru2016-03-06 → 2016-03-06 · 4 obs
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-04-23 12:02:34
○A109.70.26.372016-03-06 → 2016-03-06 · 4 obs
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-04-23 12:02:34
●A185.105.224.552019-02-19 → 2026-04-23 · 3 obs
● 2019-02-19 02:29:08
● 2026-04-23 12:02:34
○A194.85.61.762016-03-06 → 2016-03-06 · 4 obs
● 2016-03-06 13:44:26
○ 2016-06-22 17:32:58
○ 2026-04-23 12:02:34
○A79.174.72.792015-07-14 → 2017-02-12 · 7 obs
● 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
○ 2026-04-23 12:02:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| interstudy.ru | dns.fastdns24.com, dns2.fastdns24.org, dns3.fastdns24.eu | - |
✅ Authoritative Response
Server:176.31.3.154
NS records: dns.fastdns24.com, dns2.fastdns24.org, dns3.fastdns24.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for interstudy.ru (unsigned zone)
⏱️ Timing
Total: 1074ms | 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 of mail.interstudy.ru.
IP Addresses
interstudy.ru points to a single IP number: 185.105.224.55.
Other host names, for instance americanschools.ru, mail.best-schools.ru, best-schools.ru and mail.americanschools.ru share IP numbers with interstudy.ru.
Name Servers
interstudy.ru is delegated to four name servers: dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org.
interstudy.ru at least partially shares name servers with other domains, for instance allcredits.msk.ru, solikamskclub.ru, academicstom.com.ua, optimum-k.ru and big-book-relax.ru.
These name servers are commonly used with dns1.dns-root.ru, dns2.dns-root.org, dns3.dns-root.pro and ns1.fastvps.ru.
Host names with two IP numbers:
Host name dns.fastdns24.com points to: 2001:41d0:1004:3000::2 and 176.31.3.154.
Host name dns3.fastdns24.eu points to: 2a01:4f8:212:c16::4 and 136.243.223.232.
Host name dns4.fastdns24.link points to: 2a01:4f9:2a:195a::4 and 95.216.25.5.
Host name dns2.fastdns24.org points to: 2a01:5a60:5::63 and 5.188.30.150.
Mail Servers
interstudy.ru is handled by two mail servers: mx.yandex.net and mail.interstudy.ru.
interstudy.ru shares mail servers with other domains at least partially, including pinhosting.de, gipsokarton-shop.ru, g-geo.ru, cleanerwandsworth.com and mordovnik.ru.
Host names with two IP numbers: The host name mx.yandex.net points to 2a02:6b8::311 and 77.88.21.249.