mx.niisokb.com - robtex.com
mx.niisokb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.172.136.137🇷🇺 NII-SOKB185.172.136.0/22 | ||||||
| PTR | mx.niisokb.com | ||||||
niisokb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.172.136.137🇷🇺 NII-SOKB185.172.136.0/22 | ||||||
| NS | ns3-l2.nic.ru ⭐ | ||||||
| NS | dns.niisokb.com ⚠️ Not in zone NS records | ||||||
| NS | ns4-cloud.nic.ru | ||||||
| NS | ns4-l2.nic.ru | ||||||
| NS | ns8-cloud.nic.ru | ||||||
| NS | ns8-l2.nic.ru | ||||||
| MX | mx.niisokb.com ⭐ | ||||||
| TXT | v=spf1 ip4:185.172.136.0/22 -all | ||||||
| SOA | ns3-l2.nic.rudns@nic.ru 2017-02-14 #24 | ||||||
PTR for
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A185.172.136.1372018-10-13 → 2026-07-31 · 5 obs
● 2018-10-13 12:47:46
● 2026-06-14 23:08:06
○ 2026-06-26 08:59:30
● 2026-07-20 04:12:58
● 2026-07-31 13:58:44
● 2026-06-14 23:08:06
○ 2026-06-26 08:59:30
● 2026-07-20 04:12:58
● 2026-07-31 13:58:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| niisokb.com | ns8-l2.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru... | 1 record |
✅ Authoritative Response
Server:91.217.21.20
NS records: ns8-l2.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru, ns4-cloud.nic.ru, dns.niisokb.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for niisokb.com (unsigned zone)
⏱️ Timing
Total: 3729ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.172.136.137 |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.niisokb.com)
Analysis
Mail Server Role
The mail server mx.niisokb.com processes email for niisokb.com.
IP Addresses
mx.niisokb.com resolves to just one IP address, 185.172.136.137.
Two other host names, along with guardliner.ru, www.niisokb.ru and dns.niisokb.com, also share IP numbers with mx.niisokb.com.