master.su - dns.ninja
master.su
su
| 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=650210059 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSdns1.yandex.net2026-02-16 → 2026-08-02 · 3 obs
● 2026-02-16 23:18:32
● 2026-08-02 11:14:32
●NSdns2.yandex.net2026-02-16 → 2026-08-02 · 5 obs
● 2026-02-16 23:18:32
○ 2026-06-23 12:40:06
● 2026-07-03 23:51:10
● 2026-08-02 11:14:32
●MXmx.1cbit.ru2026-02-16 → 2026-08-02 · 5 obs
● 2026-02-16 23:18:32
○ 2026-07-03 23:51:10
● 2026-07-30 07:47:56
● 2026-08-02 11:14:32
○MXmx.yandex.net2015-07-01 → 2017-04-09 · 4 obs
● 2017-04-09 08:45:40
○ 2026-02-16 23:18:32
○ 2026-08-02 11:14:32
●MXmxn.1cbit.ru2026-02-16 → 2026-08-02 · 5 obs
● 2026-02-16 23:18:32
○ 2026-07-03 23:51:10
● 2026-07-30 07:47:56
● 2026-08-02 11:14:32
○A185.137.235.22026-02-16 → 2026-02-16 · 4 obs
● 2026-02-16 23:18:32
○ 2026-08-02 11:14:30
○ 2026-08-02 11:14:32
○A185.20.224.602015-07-01 → 2015-12-06 · 4 obs
● 2015-12-06 02:33:10
○ 2016-03-31 12:33:52
○ 2026-08-02 11:14:32
○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
○ 2026-08-02 11:14:32
○A91.240.86.92016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 12:33:52
○ 2016-09-10 05:27:00
○ 2026-08-02 11:14:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, c.tld-servers.ru... | 12 records |
| 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: 1574ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.137.235.2 |
| NS | 2 | dns2.yandex.net, dns1.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 |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
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.