kolxo3.net - robtex.com
kolxo3.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.159.40.20🇷🇺 LINENET-AS178.159.40.0/23 | ||||||
| NS | ns2.masterhost.ru ⭐ | ||||||
| A | 2a00:15f8:a000:12:1:1:2:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.masterhost.ru | ||||||
| A | 90.156.133.161🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.masterhost.ru | ||||||
| NS | ns.masterhost.ru | ||||||
| A | 2a00:15f8:a000:10:1:1:0:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns.masterhost.ru | ||||||
| A | 90.156.136.116🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns.masterhost.ru | ||||||
| NS | ns1.masterhost.ru | ||||||
| A | 2a00:15f8:a000:11:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.masterhost.ru | ||||||
| A | 90.156.137.50🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.masterhost.ru | ||||||
| MX | podkova.kolxo3.net ⭐ | ||||||
| A | 178.159.40.20🇷🇺 LINENET-AS178.159.40.0/23 | ||||||
| SOA | ns1.masterhost.ruhostmaster@masterhost.ru serial=1655472310 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776963611 | ||||||
Subdomains
Same first word
kolxo3.net |
DNS History
6 records (5 active, 1 former)
●NSns.masterhost.ru2015-08-09 → 2026-04-23 · 2 obs
● 2026-04-23 17:20:32
●NSns1.masterhost.ru2015-08-09 → 2026-04-23 · 2 obs
● 2026-04-23 17:20:32
●NSns2.masterhost.ru2015-08-09 → 2026-04-23 · 2 obs
● 2026-04-23 17:20:32
●MXpodkova.kolxo3.net2026-03-17 → 2026-04-23 · 2 obs
● 2026-04-23 17:20:32
●A178.159.40.202026-03-17 → 2026-04-23 · 3 obs
● 2026-03-17 09:19:56
● 2026-04-23 17:20:32
○A77.37.156.602015-08-09 → 2016-11-25 · 4 obs
● 2016-11-25 05:58:22
○ 2026-03-17 09:19:56
○ 2026-04-23 17:20:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | f.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| kolxo3.net | ns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.136.116
NS records: ns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kolxo3.net (unsigned zone)
⏱️ Timing
Total: 766ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.159.40.20 |
| NS | 3 | ns.masterhost.ru, ns1.masterhost.ru... |
| MX | 1 | podkova.kolxo3.net (pri: 10) |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
Hierarchy
kolxo3.net is a parent of podkova.kolxo3.net and ns1.kolxo3.net.
IP Addresses
kolxo3.net points to a single IP address: 178.159.40.20.
Other host names such as kotelnikovs.ru, podkova.kolxo3.net and ns1.kolxo3.net share IP numbers with kolxo3.net.
Name Servers
kolxo3.net is delegated to three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
At least part of the name servers for kolxo3.net are shared with other domains, for instance 1977.ru, cafe-rodnik.ru, softtime.ru, biblelamp.ru and nk-jax.ru.
Host names with two IP numbers:
ns1.masterhost.ru points to 2a00:15f8:a000:11:1:1:1:53 and 90.156.137.50
ns2.masterhost.ru points to 2a00:15f8:a000:12:1:1:2:53 and 90.156.133.161
ns.masterhost.ru points to 2a00:15f8:a000:10:1:1:0:53 and 90.156.136.116
Mail Servers
The mail server for kolxo3.net is podkova.kolxo3.net.
Host podkova.kolxo3.net points to IP 178.159.40.20.