master.su - dns.ninja
master.su
su
| 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=650209502 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSdns1.yandex.net2026-02-16 → 2026-06-17 · 3 obs
● 2026-02-16 23:18:32
● 2026-06-17 01:07:02
●NSdns2.yandex.net2026-02-16 → 2026-06-17 · 3 obs
● 2026-02-16 23:18:32
● 2026-06-17 01:07:02
●MXmx.1cbit.ru2026-02-16 → 2026-06-17 · 3 obs
● 2026-02-16 23:18:32
● 2026-06-17 01:07:02
○MXmx.yandex.net2015-07-01 → 2017-04-09 · 4 obs
● 2017-04-09 08:45:40
○ 2026-02-16 23:18:32
○ 2026-06-17 01:07:02
●MXmxn.1cbit.ru2026-02-16 → 2026-06-17 · 3 obs
● 2026-02-16 23:18:32
● 2026-06-17 01:07:02
●A185.137.235.22026-02-16 → 2026-06-17 · 3 obs
● 2026-02-16 23:18:32
● 2026-06-17 01:07:02
○A185.20.224.602015-07-01 → 2015-12-06 · 4 obs
● 2015-12-06 02:33:10
○ 2016-03-31 12:33:52
○ 2026-06-17 01:07:02
○A213.159.208.442016-09-10 → 2017-04-09 · 5 obs
● 2016-09-10 05:27:00
● 2017-04-09 08:45:40
○ 2026-02-16 23:18:32
○ 2026-06-17 01:07:02
○A91.240.86.92016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 12:33:52
○ 2016-09-10 05:27:00
○ 2026-06-17 01:07:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | - |
| master.su | dns1.yandex.ru, dns2.yandex.ru | - |
✅ Authoritative Response
Server:93.158.134.213
NS records: dns1.yandex.ru, dns2.yandex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for master.su (unsigned zone)
⏱️ Timing
Total: 1527ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.137.235.2 |
| NS | 2 | dns1.yandex.net, dns2.yandex.net |
| MX | 2 | mxn.1cbit.ru (pri: 10), mx.1cbit.ru (pri: 50) |
| TXT | 2 | _globalsign-domain-verification=u7zGKN_q, v=spf1 include:_spf.1cbit.ru ~all |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
IP Addresses
master.su resolves to just one IP address, 185.137.235.2.
Two other host names, along with isservis.com, swst.ru and mafiastars.ru, also share IP numbers with master.su.
Name Servers
The NS records for master.su point to four name servers: dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru.
At least some of master.su's name servers are shared with other domains, for example media-sova.ru, stampcollectors.ru, zakharkin.ru and two more.
dns1.yandex.net, dns2.yandex.net, dns1.yandex.ru and dns2.yandex.ru each have two IP addresses. Specifically, dns1.yandex.net resolves to 213.180.204.213 and 2a02:6b8::213, dns2.yandex.net resolves to 93.158.134.213 and 2a02:6b8:0:1::213, dns1.yandex.ru resolves to 213.180.204.213 and 2a02:6b8::213 and dns2.yandex.ru resolves to 93.158.134.213 and 2a02:6b8:0:1::213.
Host names pointing to 2a02:6b8::213 IP addresses: dns1.yandex.net and dns1.yandex.ru.
Host names pointing to 213.180.204.213 IP addresses: dns1.yandex.net and dns1.yandex.ru.
Host names pointing to 2a02:6b8:0:1::213 IP addresses: dns2.yandex.net and dns2.yandex.ru.
Host names pointing to 93.158.134.213 IP addresses: dns2.yandex.net and dns2.yandex.ru.
Mail Servers
master.su is served by two mail servers, mx.1cbit.ru and mxn.1cbit.ru.
Among the domains sharing a mail server setup with master.su are ordos.ru, reatme.ru, intel-tech.com and two others.
There is at least a partial MX overlap between master.su and other domains, including bitfin.ru, favoreat.ru, xn----8sbbrn2bbmccgied.xn--p1ai and two others.
Each of mx.1cbit.ru and mxn.1cbit.ru has one IP address: mx.1cbit.ru uses 109.107.169.54 and mxn.1cbit.ru uses 109.107.169.219.