cnt.su - dns.ninja
cnt.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.189.218.179🇷🇺 INTERNET-PRO-AS213.189.218.0/23 | ||||||
| PTR | vm-035bdf0c.na4u.ru | ||||||
| NS | ns1.netangels.ru ⭐ | ||||||
| A | 91.201.54.2🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | ns1.netangels.ru | ||||||
| NS | ns2.netangels.ru | ||||||
| A | 91.201.52.2🇷🇺 INTERNET-PRO-AS91.201.52.0/24 | ||||||
| PTR | ns2.netangels.ru | ||||||
| NS | ns3.netangels.ru | ||||||
| A | 45.86.39.2🇷🇺 INTERNET-PRO-AS45.86.39.0/24 | ||||||
| NS | ns4.netangels.ru | ||||||
| A | 80.87.101.2🇷🇺 INTERNET-PRO-AS80.87.101.0/24 | ||||||
| MX | mx0.cnt.su ⭐ | ||||||
| A | 91.201.54.7🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | mx0.netangels.ru | ||||||
| MX | mx1.cnt.su(5) | ||||||
| A | 91.201.54.8🇷🇺 INTERNET-PRO-AS91.201.54.0/23 NetAngels.RU network in Yekaterinburg | ||||||
| PTR | mx1.netangels.ru | ||||||
| TXT | v=spf1 a include:netangels.ru ~all | ||||||
| SOA | ns1.netangels.ruhostmaster@netangels.ru serial=1784207660 | ||||||
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=650210211 | ||||||
Previously MX for
cnt.su |
Subdomains
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
○NSns1.hc.ru2015-06-11 → 2017-06-07 · 6 obs
● 2016-12-07 02:48:40
○ 2017-05-22 19:04:32
● 2017-06-07 00:50:16
○ 2021-03-16 05:35:28
○ 2026-08-14 23:51:24
●NSns1.netangels.ru2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
○NSns2.hc.ru2015-06-11 → 2017-06-07 · 6 obs
● 2016-12-07 02:48:40
○ 2017-05-22 19:04:32
● 2017-06-07 00:50:16
○ 2021-03-16 05:35:28
○ 2026-08-14 23:51:24
●NSns2.netangels.ru2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
●NSns3.netangels.ru2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
●NSns4.netangels.ru2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
○MXcnt.su2015-06-11 → 2017-06-07 · 6 obs
● 2016-12-07 02:48:40
○ 2017-05-22 19:04:32
● 2017-06-07 00:50:16
○ 2021-03-16 05:35:28
○ 2026-08-14 23:51:24
●MXmx0.cnt.su2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
●MXmx1.cnt.su2021-03-16 → 2026-08-14 · 3 obs
● 2021-03-16 05:35:28
● 2026-08-14 23:51:24
●A213.189.218.1792026-06-25 → 2026-08-14 · 3 obs
● 2026-06-25 00:41:22
● 2026-08-14 23:51:24
○A79.174.72.862015-06-11 → 2016-12-07 · 4 obs
● 2016-12-07 02:48:40
○ 2017-05-22 19:04:32
○ 2026-08-14 23:51:24
○A89.111.178.1042017-06-07 → 2017-06-07 · 4 obs
● 2017-06-07 00:50:16
○ 2021-03-16 05:35:28
○ 2026-08-14 23:51:24
○A91.201.55.1512021-03-16 → 2026-05-27 · 5 obs
● 2021-03-16 05:35:28
● 2026-05-27 06:55:18
○ 2026-06-25 00:41:22
○ 2026-08-14 23:51:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru... | - |
| cnt.su | ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru, ns4.netangels.ru | - |
✅ Authoritative Response
Server:91.201.52.2
NS records: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru, ns4.netangels.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cnt.su (unsigned zone)
⏱️ Timing
Total: 1332ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.189.218.179 |
| NS | 4 | ns1.netangels.ru, ns2.netangels.ru... |
| MX | 2 | mx0.cnt.su (pri: 1), mx1.cnt.su (pri: 5) |
| TXT | 1 | v=spf1 a include:netangels.ru ~all |
| SOA | 1 | ns1.netangels.ru hostmaster.netangels.ru |
Analysis
Hierarchy
cnt.su serves as the parent of mx1.cnt.su and mx0.cnt.su.
IP Addresses
cnt.su has exactly one IP address — 213.189.218.179.
Other host names share IP numbers with cnt.su; avkst.ru is one such example.
Name Servers
Four name servers handle the delegation for cnt.su: ns1.netangels.ru, ns2.netangels.ru, ns3.netangels.ru and ns4.netangels.ru.
cnt.su partially shares its NS delegation with several other domains, including npfpi.ru, npo-soyuz.ru, tochkasvet.ru and two others.
Four host names, each with one IP address: ns1.netangels.ru has 91.201.54.2, ns2.netangels.ru has 91.201.52.2, ns3.netangels.ru has 45.86.39.2 and ns4.netangels.ru has 80.87.101.2.
Mail Servers
cnt.su uses two mail servers, mx0.cnt.su and mx1.cnt.su.
mx0.cnt.su resolves to 91.201.54.7. mx1.cnt.su resolves to 91.201.54.8. Both host names point to a single IP number.