prof-ex.ru - robtex.com
prof-ex.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=4068293 | ||||||
Same first word
Similar names
DNS History
17 records (12 active, 5 former)
●NSns.masterhost.ru2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●NSns1.masterhost.ru2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●NSns2.masterhost.ru2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●MXmx4.masterhost.ru2015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●A2a00:15f8:a000:5:1:11:5:5d352015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●A2a00:15f8:a000:5:1:12:5:5d352015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●A2a00:15f8:a000:5:1:13:5:5d352015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●A2a00:15f8:a000:5:1:14:5:5d352015-08-20 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
○A90.156.201.1012015-08-20 → 2017-09-08 · 3 obs
● 2017-09-08 15:42:44
○ 2026-03-27 10:00:52
●A90.156.201.1032026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
○A90.156.201.1152015-08-20 → 2017-09-08 · 3 obs
● 2017-09-08 15:42:44
○ 2026-03-27 10:00:52
○A90.156.201.412015-08-20 → 2017-09-08 · 3 obs
● 2017-09-08 15:42:44
○ 2026-03-27 10:00:52
●A90.156.201.602026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
●A90.156.201.762026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
○A90.156.201.802015-08-20 → 2016-10-25 · 4 obs
● 2016-10-25 17:46:16
○ 2016-11-28 10:34:24
○ 2026-03-27 10:00:52
○A90.156.201.832016-11-28 → 2017-09-08 · 4 obs
● 2016-11-28 10:34:24
● 2017-09-08 15:42:44
○ 2026-03-27 10:00:52
●A90.156.201.972026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 10:00:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | d.dns.ripn.net, a.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | - |
| prof-ex.ru | ns2.masterhost.ru, ns.masterhost.ru, ns1.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.133.161
NS records: ns2.masterhost.ru, ns.masterhost.ru, ns1.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prof-ex.ru (unsigned zone)
⏱️ Timing
Total: 1372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 90.156.201.97, 90.156.201.76... |
| AAAA | 4 | 2a00:15f8:a000:5:1:12:5:5d35, 2a00:15f8:a000:5:1:13:5:5d35... |
| NS | 3 | ns.masterhost.ru, ns1.masterhost.ru... |
| MX | 1 | mx4.masterhost.ru (pri: 10) |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
Analysis
IP Addresses
Eight IP numbers are pointed to by prof-ex.ru: 2a00:15f8:a000:5:1:11:5:5d35, 2a00:15f8:a000:5:1:12:5:5d35, 2a00:15f8:a000:5:1:13:5:5d35, 2a00:15f8:a000:5:1:14:5:5d35, 90.156.201.60, 90.156.201.76, 90.156.201.97 and 90.156.201.103.
For instance, other host names ortus-malgrain.com, xn--b1aebtdogdiichvm.xn--p1ai, mag-info.ru, ruselka.ru and svardom.com share IP numbers with prof-ex.ru.
Name Servers
The delegation for prof-ex.ru is handled by three name servers: ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.
prof-ex.ru shares name servers with other domains at least partially, for example atdc.ru, chery29.ru, a-stess.com, kos12092000.ru and freakfrak.ru.
Host names with two IPs:
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
prof-ex.ru is handled by a single mail server, mx4.masterhost.ru.
prof-ex.ru shares the same mail server setup as other domains, for instance gutov.ru, ks1.ru, flowers-dellarte.ru, abg-audit.ru and fizomed.ru.
mx4.masterhost.ru points to a single IP: 90.156.133.179.