sys-admin.su - dns.ninja
sys-admin.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=650209847 | ||||||
Subdomains
Same first word
Similar names
DNS History
14 records (9 active, 5 former)
●NSns.sys-admin.su2015-08-09 → 2026-07-15 · 2 obs
● 2026-07-15 17:26:36
●NSns4-cloud.nic.ru2015-08-09 → 2026-07-15 · 2 obs
● 2026-07-15 17:26:36
●NSns8-cloud.nic.ru2015-08-09 → 2026-07-15 · 2 obs
● 2026-07-15 17:26:36
●MXemail.sys-admin.su2026-02-17 → 2026-07-15 · 3 obs
● 2026-02-17 01:56:00
● 2026-07-15 17:26:36
○MXmx01.nicmail.ru2015-08-09 → 2016-12-21 · 4 obs
● 2016-12-21 00:17:32
○ 2026-02-17 01:56:00
○ 2026-07-15 17:26:36
○MXmx02.nicmail.ru2015-08-09 → 2016-12-21 · 4 obs
● 2016-12-21 00:17:32
○ 2026-02-17 01:56:00
○ 2026-07-15 17:26:36
○MXmx03.nicmail.ru2015-08-09 → 2016-12-21 · 4 obs
● 2016-12-21 00:17:32
○ 2026-02-17 01:56:00
○ 2026-07-15 17:26:36
○A178.210.72.1232015-08-09 → 2016-09-01 · 4 obs
● 2016-09-01 15:09:16
○ 2016-12-21 00:17:32
○ 2026-07-15 17:26:36
○A193.106.93.392016-12-21 → 2016-12-21 · 4 obs
● 2016-12-21 00:17:32
○ 2026-02-17 01:56:00
○ 2026-07-15 17:26:36
●A2a00:f940:2:2:1:3:0:2042026-02-17 → 2026-07-15 · 3 obs
● 2026-02-17 01:56:00
● 2026-07-15 17:26:36
●A37.140.192.792026-02-17 → 2026-07-15 · 3 obs
● 2026-02-17 01:56:00
● 2026-07-15 17:26:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | 10 records |
| sys-admin.su | ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru... | - |
✅ Authoritative Response
Server:91.217.21.20
NS records: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sys-admin.su (unsigned zone)
⏱️ Timing
Total: 2009ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.140.192.79 |
| AAAA | 1 | 2a00:f940:2:2:1:3:0:204 |
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | email.sys-admin.su (pri: 10) |
| TXT | 3 | MS=8C56E0FA0C6352F2932FEA762955442648E70, v=spf1 ip4:81.222.119.3 ip4:81.222.119.7... |
| SOA | 1 | ns.sys-admin.su admin.sys-admin.su |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Hierarchy
The parent domain of ns.sys-admin.su and email.sys-admin.su is sys-admin.su.
IP Addresses
sys-admin.su directs to two IP numbers, 37.140.192.79 and 2a00:f940:2:2:1:3:0:204
Among the host names that share IP numbers with sys-admin.su are mail.kuryatniki.ru, abada.ru, mail.ashdod.ru and two others.
Name Servers
sys-admin.su is delegated to 6 name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and 3 other.
sys-admin.su shares at least some of its name servers with other domains, including liliya-n.ru, rosmultimedia.ru, eletech.ru and two others.
These name servers are frequently paired with the name servers ns8-l2.nic.ru, ns8-cloud.nic.ru and ns3.nic.ru.
Host names resolving to 6 IP numbers:
ns4-cloud.nic.ru resolves to 89.104.93.30, 89.104.93.33, 89.104.93.34 and 3 other IP addresses.
ns8-cloud.nic.ru resolves to 89.104.93.31, 89.104.93.35, 89.104.93.36 and 3 other IP addresses.
Hosts that resolve to one IP address:
ns3-l2.nic.ru points to 193.232.146.1.
ns4-l2.nic.ru points to 91.217.20.20.
ns8-l2.nic.ru points to 91.217.21.20.
ns.sys-admin.su points to 195.191.88.101.
Mail Servers
sys-admin.su routes its mail through a single mail server, email.sys-admin.su.
email.sys-admin.su resolves to a single IP number: 81.222.119.7.