academonline.ru - robtex.com
academonline.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.169.180.121🇷🇺 YandexCloud89.169.128.0/18 | ||||||
| NS | ns3.yandex.ru ⭐ | ||||||
| A | 2a02:6b8::1001🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | ns3.yandex.ru | ||||||
| A | 87.250.250.1🇷🇺 TELETECH87.250.224.0/19 Yandex network | ||||||
| PTR | ns3.yandex.ru | ||||||
| NS | ns4.yandex.ru | ||||||
| A | 2a02:6b8:0:1::1:1🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | ns4.yandex.ru | ||||||
| A | 77.88.21.1🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | ns4.yandex.ru | ||||||
| TXT | _globalsign-domain-verification=W9ran4wYUCVv5ESdSJk38AGeSUsRU_gLBcac4e09os | ||||||
| SOA | ns3.yandex.rusysadmin@yandex.ru serial=1777220485 | ||||||
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=4068657 | ||||||
PTR for
Same first word
academonline.ru |
Similar names
DNS History
13 records (3 active, 10 former)
○NSns1.acase.ru2015-08-14 → 2026-02-24 · 4 obs
● 2026-02-24 02:35:42
○ 2026-04-12 02:28:26
○ 2026-04-26 16:21:26
●NSns3.yandex.ru2026-04-12 → 2026-04-26 · 3 obs
● 2026-04-12 02:28:26
● 2026-04-26 16:21:26
○NSns4-cloud.nic.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○NSns4-l2.nic.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○NSns4.nic.ru2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 02:35:42
○ 2026-04-12 02:28:26
○ 2026-04-26 16:21:26
●NSns4.yandex.ru2026-04-12 → 2026-04-26 · 3 obs
● 2026-04-12 02:28:26
● 2026-04-26 16:21:26
○NSns8-cloud.nic.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○NSns8-l2.nic.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○NSns8.nic.ru2026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 02:35:42
○ 2026-04-12 02:28:26
○ 2026-04-26 16:21:26
○MXnew-mail-1.acase.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○MXnew-mail.acase.ru2015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
○A194.186.75.742015-08-14 → 2016-08-18 · 4 obs
● 2016-08-18 04:35:44
○ 2026-02-24 02:35:42
○ 2026-04-26 16:21:26
●A89.169.180.1212026-04-12 → 2026-04-26 · 3 obs
● 2026-04-12 02:28:26
● 2026-04-26 16:21:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| academonline.ru | ns3.yandex.ru, ns4.yandex.ru | 4 records |
✅ Authoritative Response
Server:77.88.21.1
NS records: ns3.yandex.ru, ns4.yandex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for academonline.ru (unsigned zone)
⏱️ Timing
Total: 642ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.169.180.121 |
| NS | 2 | ns4.yandex.ru, ns3.yandex.ru |
| TXT | 1 | _globalsign-domain-verification=W9ran4wY |
| SOA | 1 | ns3.yandex.ru sysadmin.yandex.ru |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns3.yandex.ru, ns4.yandex.ru, ns3.yandex.ru...)
Analysis
IP Addresses
academonline.ru points to a single IP: 89.169.180.121.
Other host names such as www.acase.ru and acase.ru share IP numbers with academonline.ru.
Name Servers
academonline.ru's delegation is to two name servers ns3.yandex.ru and ns4.yandex.ru.
academonline.ru shares the same name server configuration as other domains, such as disk.yandex.kz, telephony.yandex.net, metrika.yandex.com.tr, legal.direct and taxi.tst.yandex.net.
academonline.ru shares name servers with other domains at least partially, for example bshive.yandex.net.
Host names with two IP numbers: ns3.yandex.ru points to 2a02:6b8::1001 and 87.250.250.1; ns4.yandex.ru points to 2a02:6b8:0:1::1:1 and 77.88.21.1