edu-server.protb.ru - robtex.com
edu-server.protb.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.87.193.201🇷🇺 RU-JSCIOT80.87.192.0/23 | ||||||
| PTR | edu-server.protb.ru | ||||||
protb.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.215.4.50🇷🇺 DDOS-GUARD185.215.4.0/24 Tilda Publishing LLC | ||||||
| NS | ns3-l2.nic.ru ⭐ | ||||||
| NS | ns3.nic.ru | ||||||
| NS | ns4-cloud.nic.ru | ||||||
| NS | ns4-l2.nic.ru | ||||||
| NS | ns8-cloud.nic.ru | ||||||
| NS | ns8-l2.nic.ru | ||||||
| MX | mx02.nicmail.ru ⭐ | ||||||
| MX | mx01.nicmail.ru(10) | ||||||
| MX | mx03.nicmail.ru(20) | ||||||
| TXT | v=spf1 redirect=nicmail.ru | ||||||
| TXT | _globalsign-domain-verification=JZVP20E-nsb7epN6Mus6ahEdiD_1_FiKA2l1GJeIqU | ||||||
| TXT | _globalsign-domain-verification=JcJGKTqKCAmOpA--SWgzW0SiHw9j1pt_0d7GT1hUcW | ||||||
| SOA | ns3.nic.rusupport@nic.ru 2020-06-18 #78 | ||||||
PTR for
DNS History
1 record (1 active, 0 former)
●A80.87.193.2012026-04-22 → 2026-04-22 · 2 obs
● 2026-04-22 12:34:48
● 2026-04-22 12:34:50
● 2026-04-22 12:34:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| protb.ru | ns4-cloud.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru, ns4-l2.nic.ru... | 19 records |
✅ Authoritative Response
Server:91.217.20.20
NS records: ns4-cloud.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for protb.ru (unsigned zone)
⏱️ Timing
Total: 709ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.87.193.201 |
📌 Glue Records Collected
Total: 19
Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)
Analysis
IP Addresses
edu-server.protb.ru maps to IP address 80.87.193.201.