prof-comm.ru - robtex.com
prof-comm.ru
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=4068817 | ||||||
Subdomains
mail.prof-comm.ru |
Same first word
prof-comm.ru |
DNS History
8 records (7 active, 1 former)
●NSns4-cloud.nic.ru2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 00:28:00
●NSns8-cloud.nic.ru2015-07-14 → 2026-05-10 · 2 obs
● 2026-05-10 00:28:00
●NSns8-l2.nic.ru2026-03-07 → 2026-05-10 · 3 obs
● 2026-03-07 05:22:42
● 2026-05-10 00:28:00
●MXmail.post4u.ru2015-07-14 → 2026-05-10 · 5 obs
● 2016-09-21 20:14:12
○ 2017-01-25 10:25:26
● 2018-05-18 23:46:16
● 2026-05-10 00:28:00
○A91.220.38.1312015-07-14 → 2018-05-18 · 4 obs
● 2018-05-18 23:46:16
○ 2026-03-07 05:22:42
○ 2026-05-10 00:28:00
●A91.220.38.1342026-03-07 → 2026-05-10 · 3 obs
● 2026-03-07 05:22:42
● 2026-05-10 00:28:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| prof-comm.ru | ns8-cloud.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru, ns4-l2.nic.ru... | 19 records |
✅ Authoritative Response
Server:91.217.21.20
NS records: ns8-cloud.nic.ru, ns8-l2.nic.ru, ns3-l2.nic.ru, ns4-l2.nic.ru, ns4-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prof-comm.ru (unsigned zone)
⏱️ Timing
Total: 771ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.220.38.134 |
| NS | 4 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | mail.post4u.ru (pri: 10) |
| TXT | 1 | v=spf1 a:mail.post4u.ru -all |
| SOA | 1 | ns3-l2.nic.ru support.prof-comm.ru |
📌 Glue Records Collected
Total: 19
Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)
Analysis
Hierarchy
The parent of mail.prof-comm.ru is prof-comm.ru.
IP Addresses
prof-comm.ru points to a single IP: 91.220.38.134.
Name Servers
prof-comm.ru is delegated to five name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru.
prof-comm.ru partially shares name servers with other domains; examples include medicina-otziv.ru, nissanmarine.ru, tvmc.ru, arsenal-cg.ru and skbr2.ru.
these name servers are commonly used with the name servers ns3.nic.ru.
Host names with six IP numbers:
ns4-cloud.nic.ru points to 89.104.93.30, 89.104.93.33, 89.104.93.34, 89.104.95.30, 89.104.95.33 and 89.104.95.34.
ns8-cloud.nic.ru points to 89.104.93.31, 89.104.93.35, 89.104.93.36, 89.104.95.31, 89.104.95.35 and 89.104.95.36.
Host names with one IP number:
ns3-l2.nic.ru points to 193.232.146.1
ns4-l2.nic.ru points to 91.217.20.20
ns8-l2.nic.ru points to 91.217.21.20
Mail Servers
prof-comm.ru is handled by a single mail server, mail.post4u.ru.
prof-comm.ru uses the same mail server setup as other domains, for example post4u.ru.
mail.post4u.ru points to a single IP: 91.220.38.29.