prof-o.ru - robtex.com
prof-o.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069876 | ||||||
Previously MX for
prof-o.ru |
Same first word
prof-o.ru |
Similar names
DNS History
14 records (9 active, 5 former)
●NSns3.nic.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
●NSns4.nic.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
●NSns8.nic.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
○MXmx.cm.hc.ru2015-08-21 → 2017-01-15 · 4 obs
● 2017-01-15 23:08:54
○ 2018-01-04 16:13:54
○ 2026-08-05 13:50:06
●MXmx01.nicmail.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
●MXmx02.nicmail.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
●MXmx03.nicmail.ru2026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
○MXprof-o.ru2018-01-04 → 2018-01-04 · 4 obs
● 2018-01-04 16:13:54
○ 2026-04-22 02:10:54
○ 2026-08-05 13:50:06
●A195.24.68.62026-04-22 → 2026-08-05 · 3 obs
● 2026-04-22 02:10:54
● 2026-08-05 13:50:06
○A79.174.72.1532015-08-21 → 2015-09-30 · 4 obs
● 2015-09-30 22:28:20
○ 2015-10-29 09:49:32
○ 2026-08-05 13:50:06
○A89.111.177.692015-10-29 → 2017-01-15 · 5 obs
● 2015-10-29 09:49:32
● 2017-01-15 23:08:54
○ 2018-01-04 16:13:54
○ 2026-08-05 13:50:06
○A89.111.178.1922018-01-04 → 2018-01-04 · 4 obs
● 2018-01-04 16:13:54
○ 2026-04-22 02:10:54
○ 2026-08-05 13:50:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru... | - |
| prof-o.ru | ns2.hc.ru, ns1.hc.ru | - |
✅ Authoritative Response
Server:194.85.61.20
NS records: ns2.hc.ru, ns1.hc.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prof-o.ru (unsigned zone)
⏱️ Timing
Total: 2501ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.24.68.6 |
| NS | 3 | ns8.nic.ru, ns4.nic.ru... |
| MX | 3 | mx03.nicmail.ru (pri: 20), mx01.nicmail.ru (pri: 10)... |
| TXT | 1 | v=spf1 redirect=nicmail.ru |
| SOA | 1 | ns3.nic.ru admin.prof-o.ru |
Analysis
IP Addresses
prof-o.ru resolves to one IP address: 195.24.68.6.
zms-chita.ru, www.dokko.ru, www.opt-relation.ru and two other host names share IP numbers with prof-o.ru.
Name Servers
prof-o.ru has five name servers, which are ns1.hc.ru, ns2.hc.ru, ns3.nic.ru and two others.
The name servers of prof-o.ru overlap at least partially with those of other domains — among them 47.68.210.178.in-addr.arpa, rens.ru, apwr.nichost.ru and two more.
These name servers commonly appear in delegations together with ns4.nic.ru, ns8.nic.ru, statuspage1.nic.ru and 6 other.
Hosts with just one IP address:
The hostname ns1.hc.ru resolves to 194.85.61.20.
The hostname ns2.hc.ru resolves to 194.226.96.8.
The hostname ns3.nic.ru resolves to 194.85.61.20.
The hostname ns4.nic.ru resolves to 194.226.96.8.
The hostname ns8.nic.ru resolves to 193.232.130.14.
ns1.hc.ru along with ns3.nic.ru each resolve to 194.85.61.20 IP addresses.
ns2.hc.ru along with ns4.nic.ru each resolve to 194.226.96.8 IP addresses.
Mail Servers
Mail for prof-o.ru is routed through three mail servers — mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru.
prof-o.ru has at least partial mail server overlap with other domains such as 3hak.com, ternovskiy.ru, vetservis.org and two more.
Hosts that point to four IP numbers:
mx01.nicmail.ru resolves to 91.189.116.13, 91.189.116.14, 91.189.116.15 and 91.189.116.16.
mx02.nicmail.ru resolves to 91.189.116.13, 91.189.116.14, 91.189.116.15 and 91.189.116.16.
Hosts with just one IP address:
The hostname mx03.nicmail.ru resolves to 91.189.116.16.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.13 IP addresses.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.14 IP addresses.
mx01.nicmail.ru along with mx02.nicmail.ru each resolve to 91.189.116.15 IP addresses.
The host names mx01.nicmail.ru, mx02.nicmail.ru and mx03.nicmail.ru each resolve to 91.189.116.16.