academiaopen.ru - robtex.com
academiaopen.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.24.221.104🇷🇺 RU-JSCIOT78.24.216.0/21 | ||||||
| PTR | ctgrupp.ru | ||||||
| NS | firstvds.ru ⭐ | ||||||
| A | 37.230.118.233🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | firstvds.ru | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | v=spf1 ip4:78.24.221.104 a mx ~all | ||||||
| SOA | firstvds.ruroot@ctgrupp.ru 2022-07-13 #4 | ||||||
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=4068876 | ||||||
Same first word
academiaopen.ru |
Similar names
DNS History
19 records (5 active, 14 former)
●NSfirstvds.ru2026-03-10 → 2026-05-14 · 3 obs
● 2026-03-10 17:38:32
● 2026-05-14 09:25:30
○NSns.masterhost.ru2015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
●NSns1.firstvds.ru2026-03-10 → 2026-05-14 · 3 obs
● 2026-03-10 17:38:32
● 2026-05-14 09:25:30
○NSns1.masterhost.ru2015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
●NSns2.firstvds.ru2026-03-10 → 2026-05-14 · 3 obs
● 2026-03-10 17:38:32
● 2026-05-14 09:25:30
○NSns2.masterhost.ru2015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
●MXemx.mail.ru2026-03-10 → 2026-05-14 · 3 obs
● 2026-03-10 17:38:32
● 2026-05-14 09:25:30
○MXmx1.masterhost.ru2015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A2a00:15f8:a000:5:1:11:0:af482015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A2a00:15f8:a000:5:1:12:0:af482015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A2a00:15f8:a000:5:1:13:0:af482015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A2a00:15f8:a000:5:1:14:0:af482015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
●A78.24.221.1042026-03-10 → 2026-05-14 · 3 obs
● 2026-03-10 17:38:32
● 2026-05-14 09:25:30
○A90.156.201.1162015-05-29 → 2016-07-10 · 4 obs
● 2016-07-10 07:23:20
○ 2017-03-22 18:52:48
○ 2026-05-14 09:25:30
○A90.156.201.1182017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A90.156.201.392015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A90.156.201.482015-05-29 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
○A90.156.201.622015-05-29 → 2016-07-10 · 4 obs
● 2016-07-10 07:23:20
○ 2017-03-22 18:52:48
○ 2026-05-14 09:25:30
○A90.156.201.832017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 18:52:48
○ 2026-03-10 17:38:32
○ 2026-05-14 09:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| academiaopen.ru | ns1.firstvds.ru, ns2.firstvds.ru | 2 records |
✅ Authoritative Response
Server:82.146.43.2
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for academiaopen.ru (unsigned zone)
⏱️ Timing
Total: 716ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.24.221.104 |
| NS | 2 | ns2.firstvds.ru, ns1.firstvds.ru |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:78.24.221.104 a mx ~all |
| SOA | 1 | firstvds.ru root.ctgrupp.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
IP Addresses
academiaopen.ru maps to IP address 78.24.221.104.
Other host names, for instance faraa.ru, mail.moi-auto.ru, pervoiskatel.ru, fresh-kinozal.ru and mail.oformlenie-windows.ru share IP numbers with academiaopen.ru.
Name Servers
academiaopen.ru is delegated to name servers firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru.
academiaopen.ru at least partially shares name servers with other domains such as abi-laboratory.pro, rs-kuppersbusch.ru, st56.ru, cpta.ru and obivka-tula.ru.
These name servers are commonly used alongside dommainer151025.ru, ns1.fasthostvds.com and ns2.fasthostvds.com.
Host names with two IP numbers:
ns1.firstvds.ru points to 2a01:230:2:74::3 and 82.146.43.2; ns2.firstvds.ru points to 2a01:230:2:75::3 and 94.250.248.160.
Host names with one IP number:
firstvds.ru points to 37.230.118.233.
Mail Servers
academiaopen.ru is handled by a single mail server, emx.mail.ru.
academiaopen.ru shares the same mail server setup as other domains, including onecell.ru, efmail.ru, newsbryansk.ru, kte.kz and 1c-interes.com.
academiaopen.ru shares some mail servers with other domains, at least partially, for instance proav.pro.
Host name emx.mail.ru points to IPs 94.100.180.180 and 217.69.139.180.