ct-student.ru - robtex.com
ct-student.ru
| DNSSEC | ⚠️ Not signed | ||||||
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=4068837 | ||||||
DNS History
10 records (0 active, 10 former)
○NSfirstvds.ru2018-11-01 → 2018-11-01 · 4 obs
○ 2017-02-06 04:50:24
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
○NSns1.firstvds.ru2018-11-01 → 2018-11-01 · 4 obs
○ 2017-02-06 04:50:24
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
○NSns1.sprinthost.ru2015-05-17 → 2017-02-06 · 4 obs
● 2015-05-17 16:58:24
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
○NSns2.firstvds.ru2018-11-01 → 2018-11-01 · 4 obs
○ 2017-02-06 04:50:24
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
○NSns2.sprinthost.ru2015-05-17 → 2017-02-06 · 4 obs
● 2015-05-17 16:58:24
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
○MXmail.ct-student.ru2015-05-17 → 2018-11-01 · 4 obs
● 2015-05-17 16:58:24
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
○A141.8.192.2152016-02-27 → 2016-02-27 · 4 obs
○ 2015-10-13 15:26:58
● 2016-02-27 01:15:16
○ 2016-05-29 08:03:58
○ 2026-05-11 15:33:12
● 2016-02-27 01:15:16
○ 2016-05-29 08:03:58
○ 2026-05-11 15:33:12
○A141.8.192.262016-05-29 → 2017-02-06 · 5 obs
○ 2016-02-27 01:15:16
● 2016-05-29 08:03:58
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
● 2016-05-29 08:03:58
● 2017-02-06 04:50:24
○ 2018-11-01 09:37:36
○ 2026-05-11 15:33:12
○A141.8.195.872015-05-17 → 2015-10-13 · 4 obs
● 2015-05-17 16:58:24
● 2015-10-13 15:26:58
○ 2016-02-27 01:15:16
○ 2026-05-11 15:33:12
● 2015-10-13 15:26:58
○ 2016-02-27 01:15:16
○ 2026-05-11 15:33:12
○A5.188.204.592018-11-01 → 2018-11-01 · 4 obs
○ 2017-02-06 04:50:24
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
● 2018-11-01 09:37:36
○ 2026-03-10 14:10:24
○ 2026-05-11 15:33:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | - |
✅ Authoritative Response
Server:193.232.156.17
NS records: a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|