mx1.optkor.ru - robtex.com
mx1.optkor.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.177.76.32🇷🇺 RU-CENTER31.177.76.0/24 RU-SERVICE-NETWORK | ||||||
| A | 31.177.80.32🇷🇺 RU-CENTER31.177.80.0/24 -NETWORK | ||||||
| NS | dnsproxy1.fm.nic.ru ⭐ ⚠️ Not in parent delegation | ||||||
| A | 31.177.64.240🇷🇺 RU-CENTER31.177.64.0/24 -NETWORK | ||||||
| PTR | dnsproxy1.fm.nic.ru | ||||||
| NS | dnsproxy2.fm.nic.ru ⚠️ Not in parent delegation | ||||||
| A | 31.177.68.199🇷🇺 RU-CENTER31.177.68.0/22 -NETWORK | ||||||
| PTR | dnsproxy2.fm.nic.ru | ||||||
| MX | nomail.nic.ru ⭐ | ||||||
| A | 127.0.0.1 | ||||||
| TXT | de7a2c3c1b49d124b949e2acdd64e9792f541ed6 | ||||||
| SOA | dnsproxy1.fm.nic.ruhostmaster@nic.ru serial=1784897015 | ||||||
optkor.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.177.76.32🇷🇺 RU-CENTER31.177.76.0/24 RU-SERVICE-NETWORK | ||||||
| A | 31.177.80.32🇷🇺 RU-CENTER31.177.80.0/24 -NETWORK | ||||||
| NS | dnsproxy1.fm.nic.ru ⭐ | ||||||
| NS | dnsproxy2.fm.nic.ru | ||||||
| MX | nomail.nic.ru ⭐ | ||||||
| TXT | de7a2c3c1b49d124b949e2acdd64e9792f541ed6 | ||||||
| SOA | dnsproxy1.fm.nic.ruhostmaster@nic.ru serial=1784897015 | ||||||
MX for
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSdnsproxy1.fm.nic.ru2026-07-24 → 2026-07-24 · 1 obs
●NSdnsproxy2.fm.nic.ru2026-07-24 → 2026-07-24 · 1 obs
●A31.177.76.322026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 12:43:34
●A31.177.80.322026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 12:43:34
○A91.201.54.82015-06-05 → 2016-04-18 · 3 obs
● 2016-04-18 00:28:34
○ 2026-07-24 12:43:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net... | - |
| optkor.ru | dnsproxy2.fm.nic.ru, dnsproxy1.fm.nic.ru | - |
✅ Authoritative Response
Server:31.177.64.240
NS records: dnsproxy2.fm.nic.ru, dnsproxy1.fm.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optkor.ru (unsigned zone)
⏱️ Timing
Total: 1224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 31.177.76.32, 31.177.80.32 |
| NS | 2 | dnsproxy1.fm.nic.ru, dnsproxy2.fm.nic.ru |
| MX | 1 | nomail.nic.ru (pri: 0) |
| TXT | 1 | de7a2c3c1b49d124b949e2acdd64e9792f541ed6 |
| SOA | 1 | dnsproxy1.fm.nic.ru hostmaster.nic.ru |
Analysis
Mail Server Role
The mail server mx1.optkor.ru processes email for optkor.ru.
As mail servers, mx0.optkor.ru and mx1.optkor.ru are regularly found together.
IP Addresses
mx1.optkor.ru points to the IP addresses 31.177.76.32 and 31.177.80.32
Two other host names, along with prodko.ru, dohop.ru and onlinecasinos2.ru, also share IP numbers with mx1.optkor.ru.
Name Servers
mx1.optkor.ru uses two name servers for its delegation: dnsproxy1.fm.nic.ru and dnsproxy2.fm.nic.ru.
mx1.optkor.ru shares its NS records with other domains, for example ppp78-37-135-243.pppoe.avangarddsl.ru, bet-city.ru, ucomm.ru and two others.
Both dnsproxy1.fm.nic.ru and dnsproxy2.fm.nic.ru have a single IP address each — dnsproxy1.fm.nic.ru resolves to 31.177.64.240 while dnsproxy2.fm.nic.ru resolves to 31.177.68.199.
Mail Servers
The sole mail server for mx1.optkor.ru is nomail.nic.ru.
Among the domains sharing a mail server setup with mx1.optkor.ru are xn--24-mlc6afvw.xn--p1ai, amk.bike, ns3.radiushost.net and two others.