ptknet.ru - robtex.com
ptknet.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.91.199.49🇷🇺 VRMNT-AS77.91.192.0/21 Vermont-IT Limited Liability Company | ||||||
| PTR | mail.vermont-it.ru | ||||||
| NS | ns2.vernet.su ⭐ | ||||||
| A | 77.91.193.205🇷🇺 VRMNT-AS77.91.192.0/21 Vermont-IT Limited Liability Company | ||||||
| PTR | ns2.vernet.su | ||||||
| NS | ns.vernet.su | ||||||
| A | 77.91.199.1🇷🇺 VRMNT-AS77.91.192.0/21 Vermont-IT Limited Liability Company | ||||||
| PTR | ns.vernet.su | ||||||
| MX | mail.ptknet.ru ⭐ | ||||||
| A | 77.91.199.49🇷🇺 VRMNT-AS77.91.192.0/21 Vermont-IT Limited Liability Company | ||||||
| PTR | mail.vermont-it.ru | ||||||
| TXT | v=spf1 ip4:77.91.199.49 ip4:77.91.199.40 ip4:77.91.199.50 a mx ~all | ||||||
| SOA | ns.vernet.suinfo@ptknet.ru 2022-12-15 #0 | ||||||
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=4068487 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXmail.ptknet.ru2018-05-13 → 2026-04-12 · 2 obs
● 2026-04-12 12:57:32
●A77.91.199.492018-05-13 → 2026-04-12 · 2 obs
● 2026-04-12 12:57:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| ptknet.ru | ns.vernet.su, ns2.vernet.su | - |
✅ Authoritative Response
Server:77.91.199.1
NS records: ns.vernet.su, ns2.vernet.su
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptknet.ru (unsigned zone)
⏱️ Timing
Total: 1154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.91.199.49 |
| NS | 2 | ns2.vernet.su, ns.vernet.su |
| MX | 1 | mail.ptknet.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:77.91.199.49 ip4:77.91.199.40 |
| SOA | 1 | ns.vernet.su info.ptknet.ru |
Analysis
Hierarchy
ptknet.ru is a parent of mail.ptknet.ru and www.ptknet.ru.
IP Addresses
ptknet.ru points to a single IP address: 77.91.199.49.
Other host names such as mail.vermont-it.ru, vermont-it.ru, www.ptknet.ru, forum.vernet.su and vernet.su share IPs with ptknet.ru.
Name Servers
Two name servers ns2.vernet.su and ns.vernet.su handle the delegation for ptknet.ru.
ptknet.ru shares the same name server setup as other domains, for example vermont-it.ru, 192.91.77.in-addr.arpa, 196.91.77.in-addr.arpa, 131.198.94.in-addr.arpa and 199.91.77.in-addr.arpa.
ptknet.ru shares name servers with other domains at least partially, for instance londona.net.
these name servers are commonly used alongside ns.londona.net name servers.
Host names with one IP number:
ns2.vernet.su points to 77.91.193.205; ns.vernet.su points to 77.91.199.1.
Mail Servers
The mail.ptknet.ru mail server handles ptknet.ru.
mail.ptknet.ru points to a single IP number: 77.91.199.49.