cardan.su - robtex.com
cardan.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.240.84.22🇷🇺 RU-JSCIOT91.240.84.0/23 | ||||||
| PTR | cardan.su | ||||||
| NS | firstvds.ru ⭐ | ||||||
| A | 37.230.118.233🇷🇺 RU-JSCIOT37.230.118.0/23 | ||||||
| PTR | firstvds.ru | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | v=spf1 ip4:95.216.246.233 a mx include:_spf.mail.ru ~all | ||||||
| SOA | firstvds.ruit@cardan.su 2023-06-09 #14 | ||||||
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=650208548 | ||||||
PTR for
Subdomains
www.cardan.su |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSfirstvds.ru2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:58:40
● 2026-03-29 19:37:58
○NSforeign.hoster.kz2017-06-14 → 2017-06-14 · 3 obs
○ 2026-03-27 00:58:40
○ 2026-03-29 19:37:58
●NSns1.firstvds.ru2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:58:40
● 2026-03-29 19:37:58
●NSns2.firstvds.ru2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:58:40
● 2026-03-29 19:37:58
○NSru.hoster.kz2017-06-14 → 2017-06-14 · 3 obs
○ 2026-03-27 00:58:40
○ 2026-03-29 19:37:58
○NSvns.hoster.kz2017-06-14 → 2017-06-14 · 3 obs
○ 2026-03-27 00:58:40
○ 2026-03-29 19:37:58
●MXemx.mail.ru2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:58:40
● 2026-03-29 19:37:58
○MXmail.cardan.su2017-06-14 → 2017-06-14 · 3 obs
○ 2026-03-27 00:58:40
○ 2026-03-29 19:37:58
○A88.99.188.1172017-06-14 → 2017-06-14 · 3 obs
○ 2026-03-27 00:58:40
○ 2026-03-29 19:37:58
●A91.240.84.222026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:58:40
● 2026-03-29 19:37:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| cardan.su | ns2.firstvds.ru, ns1.firstvds.ru | - |
✅ Authoritative Response
Server:82.146.43.2
NS records: ns2.firstvds.ru, ns1.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cardan.su (unsigned zone)
⏱️ Timing
Total: 1037ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.240.84.22 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:95.216.246.233 a mx include:_ |
| SOA | 1 | firstvds.ru it.cardan.su |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
Hierarchy
The parent of www.cardan.su is cardan.su.
IP Addresses
cardan.su points to a single IP number: 91.240.84.22.
Other host names, for instance www.cardan.su, share IP numbers with cardan.su.
Name Servers
The domain cardan.su is delegated to three name servers: firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru.
cardan.su shares name servers with other domains at least partially, for instance krean.ru, prom-tek.com, restorfx-spb.ru, xn--90abj3ajbei.xn--p1ai and bangtur.ru.
These name servers are often used with ns1.example.com, ns2.example.com, dommainer151025.ru, ns1.fasthostvds.com and ns2.fasthostvds.com.
Host names with two IPs:
ns1.firstvds.ru points to 2a01:230:2:74::3 and 82.146.43.2.
ns2.firstvds.ru points to 2a01:230:2:75::3 and 94.250.248.160.
Host names with one IP:
firstvds.ru points to 37.230.118.233.
Mail Servers
The mail server for cardan.su is emx.mail.ru.
cardan.su shares the same mail server setup as other domains, including nv86.ru, almaprom.com, links-pro.ru, us-business.info and alfastrateg.ru.
cardan.su shares at least some mail servers with other domains, for instance ittatar.ru.
Host name emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.