mt51.ru - robtex.com
mt51.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.218.230.50🇷🇺 EUROBYTE91.218.230.0/23 | ||||||
| PTR | hosted-by.ihc.ru | ||||||
| NS | ns1.mastername.ru ⭐ | ||||||
| A | 2a00:15f8:a000:33:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.mastername.ru | ||||||
| A | 90.156.136.115🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.mastername.ru | ||||||
| NS | ns2.mastername.ru | ||||||
| A | 2a00:15f8:a000:34:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.mastername.ru | ||||||
| A | 90.156.137.49🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.mastername.ru | ||||||
| MX | mail.mt51.ru ⭐ | ||||||
| A | fe80::215:5dff:fe58:2a00 | ||||||
| A | 213.33.251.222🇷🇺 SOVAM-AS213.33.240.0/20 EDN Sovintel | ||||||
| PTR | mail.mt51.ru | ||||||
| TXT | v=spf1 a mx ip4:213.33.251.222 +a:mt51.ru include:_spf.google.com ~all | ||||||
| TXT | google-site-verification=XjTEWg5XGUYYkFBaEtvc3UarfrjdGxBh8V_c_ZtsqtU | ||||||
| SOA | ns1.mastername.ruhostmaster@mastername.ru serial=1750843000 | ||||||
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=4068147 | ||||||
MX for
mail.mt51.ru |
Subdomains
mail.mt51.ru |
Same first word
mt51.ru |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.mastername.ru2015-05-16 → 2026-03-23 · 2 obs
● 2026-03-23 06:28:40
●NSns2.mastername.ru2015-05-16 → 2026-03-23 · 2 obs
● 2026-03-23 06:28:40
●MXmail.mt51.ru2026-03-01 → 2026-03-23 · 3 obs
● 2026-03-01 20:25:48
● 2026-03-23 06:28:40
○MXmx.yandex.ru2015-05-16 → 2016-12-03 · 4 obs
● 2016-12-03 05:26:32
○ 2026-03-01 20:25:48
○ 2026-03-23 06:28:40
○A88.198.206.1102016-01-22 → 2016-12-03 · 5 obs
● 2016-01-22 16:23:36
● 2016-12-03 05:26:32
○ 2026-03-01 20:25:48
○ 2026-03-23 06:28:40
○A90.156.201.142015-05-16 → 2015-10-23 · 4 obs
● 2015-10-23 11:21:46
○ 2016-01-22 16:23:36
○ 2026-03-23 06:28:40
○A90.156.201.382015-05-16 → 2015-10-23 · 4 obs
● 2015-10-23 11:21:46
○ 2016-01-22 16:23:36
○ 2026-03-23 06:28:40
○A90.156.201.442015-05-16 → 2015-10-23 · 4 obs
● 2015-10-23 11:21:46
○ 2016-01-22 16:23:36
○ 2026-03-23 06:28:40
○A90.156.201.542015-05-16 → 2015-10-23 · 4 obs
● 2015-10-23 11:21:46
○ 2016-01-22 16:23:36
○ 2026-03-23 06:28:40
●A91.218.230.502026-03-01 → 2026-03-23 · 3 obs
● 2026-03-01 20:25:48
● 2026-03-23 06:28:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net, a.dns.ripn.net... | - |
| mt51.ru | ns1.mastername.ru, ns2.mastername.ru | 4 records |
✅ Authoritative Response
Server:90.156.136.115
NS records: ns1.mastername.ru, ns2.mastername.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mt51.ru (unsigned zone)
⏱️ Timing
Total: 1074ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.218.230.50 |
| NS | 2 | ns2.mastername.ru, ns1.mastername.ru |
| MX | 1 | mail.mt51.ru (pri: 10) |
| TXT | 2 | v=spf1 a mx ip4:213.33.251.222 +a:mt51.r, google-site-verification=XjTEWg5XGUYYkFB |
| SOA | 1 | ns1.mastername.ru hostmaster.mastername. |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.mastername.ru, ns2.mastername.ru, ns1.mastername.ru...)
Analysis
Hierarchy
mt51.ru is a parent of mail.mt51.ru.
Mail Server Role
mt51.ru serves as the mail server for mail.mt51.ru.
IP Addresses
mt51.ru points to a single IP address: 91.218.230.50.
Name Servers
mt51.ru is delegated to two name servers: ns1.mastername.ru and ns2.mastername.ru.
mt51.ru uses the same name server setup as other domains, including tya.ru, naturovo.ru, jkom.ru, normobakt.ru and foart.ru.
At least part of the name servers for mt51.ru are shared with other domains, for instance it-serv.ru, notik.ru, kirya.ru, mc-consalt.ru and korint.ru.
Host names with two IP numbers:
ns1.mastername.ru points to 2a00:15f8:a000:33:1:1:1:53 and 90.156.136.115.
ns2.mastername.ru points to 2a00:15f8:a000:34:1:1:1:53 and 90.156.137.49.
Mail Servers
The mail server for mt51.ru is mail.mt51.ru.
Hostname mail.mt51.ru resolves to two IPs: fe80::215:5dff:fe58:2a00 and 213.33.251.222.