cdt.su - robtex.com
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cdt.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=650208017 | ||||||
Same first word
Similar names
DNS History
18 records (9 active, 9 former)
○NSns.you-online-dns.net2015-12-21 → 2016-03-12 · 4 obs
● 2016-03-12 04:03:46
○ 2016-09-12 03:54:42
○ 2026-02-14 20:24:42
○NSns1.1gb.ru2016-11-17 → 2016-12-28 · 4 obs
● 2016-11-17 08:57:16
● 2016-12-28 13:07:26
○ 2026-02-14 20:24:42
○NSns1.you-online-dns.net2015-12-21 → 2016-03-12 · 4 obs
● 2016-03-12 04:03:46
○ 2016-09-12 03:54:42
○ 2026-02-14 20:24:42
○NSns2.1gb.ru2016-11-17 → 2016-12-28 · 4 obs
● 2016-11-17 08:57:16
● 2016-12-28 13:07:26
○ 2026-02-14 20:24:42
●NSns4-cloud.nic.ru2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:24:42
●NSns8-cloud.nic.ru2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:24:42
○MXmail-s30.1gb.ru2016-11-17 → 2016-12-28 · 4 obs
● 2016-11-17 08:57:16
● 2016-12-28 13:07:26
○ 2026-02-14 20:24:42
○MXmail.host.webasyst.com2015-12-21 → 2016-03-12 · 4 obs
● 2016-03-12 04:03:46
○ 2016-09-12 03:54:42
○ 2026-02-14 20:24:42
●MXmail.rubytech.ru2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:24:42
●MXmail2.rubytech.ru2026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:24:42
○A188.166.49.1102015-09-22 → 2015-09-24 · 4 obs
● 2015-09-24 02:32:22
○ 2015-12-21 21:16:10
○ 2026-02-14 20:24:42
○A190.115.28.142015-12-21 → 2016-03-12 · 5 obs
● 2015-12-21 21:16:10
● 2016-03-12 04:03:46
○ 2016-09-12 03:54:42
○ 2026-02-14 20:24:42
●A31.31.196.282026-02-14 → 2026-02-14 · 2 obs
● 2026-02-14 20:24:42
○A81.177.143.352016-11-17 → 2016-12-28 · 4 obs
● 2016-11-17 08:57:16
● 2016-12-28 13:07:26
○ 2026-02-14 20:24:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| cdt.su | ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns4-cloud.nic.ru... | - |
✅ Authoritative Response
Server: 193.232.146.1
NS records: ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns4-cloud.nic.ru, ns8-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdt.su (unsigned zone)
⏱️ Timing
Total: 2028ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.31.196.28 |
| MX | 2 | mail.rubytech.ru (pri: 5), mail2.rubytech.ru (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:89.175.184.68 ip4:89.175 |
| SOA | 1 | ns2.nic.ru dns.nic.ru |
AI analysis
cdt.su resolves to one IP number: 31.31.196.28.
other host names including prand.tv, svaiomsk.ru, oooprofinance.ru, ankino.ru and nestd.ru share IP numbers with cdt.su.
cdt.su is delegated to six name servers: ns2.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru.
cdt.su at least partially shares name servers with other domains, for instance grus.ru, mediaoperator.ru, compgame.ru, vatex.su and packsystem.ru.
These name servers are commonly used alongside ns3.nic.ru and ns1.nic.ru.
Host names with six IP numbers:
ns4-cloud.nic.ru points to: 89.104.93.30, 89.104.93.33, 89.104.93.34, 89.104.95.30, 89.104.95.33 and 89.104.95.34; ns8-cloud.nic.ru points to: 89.104.93.31, 89.104.93.35, 89.104.93.36, 89.104.95.31, 89.104.95.35 and 89.104.95.36.
Host names with one IP number:
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.
Two mail servers handle cdt.su: mail2.rubytech.ru and mail.rubytech.ru.
cdt.su shares the same mail server setup as other domains, for instance rubytech.ru.
cdt.su shares mail servers with other domains to some extent, for instance skala-r.ru.
Host names with one IP number:
mail2.rubytech.ru points to 89.175.184.69
mail.rubytech.ru points to 89.175.184.68