kos21.ru - robtex.com
kos21.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.177.55.130🇷🇺 SONICDUO-AS178.177.0.0/18 PJSC MegaFon | ||||||
| NS | rybinsk.ens.mail.ru ⭐ | ||||||
| A | 94.100.180.238🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | ns1.ens.mail.ru | ||||||
| NS | podolsk.ens.mail.ru | ||||||
| A | 217.69.139.164🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | ns2.ens.mail.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 redirect=_spf.mail.ru | ||||||
| SOA | rybinsk.ens.mail.rusupport@biz.mail.ru 2024-08-21 #1 | ||||||
ru
| 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=4068381 | ||||||
Previously NS for
Same first word
kos21.ru |
DNS History
8 records (4 active, 4 former)
○NSdns1.yandex.net2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-19 12:10:52
○ 2026-04-03 17:22:28
○NSdns2.yandex.net2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-19 12:10:52
○ 2026-04-03 17:22:28
●NSpodolsk.ens.mail.ru2026-02-19 → 2026-04-03 · 3 obs
● 2026-02-19 12:10:52
● 2026-04-03 17:22:28
●NSrybinsk.ens.mail.ru2026-02-19 → 2026-04-03 · 3 obs
● 2026-02-19 12:10:52
● 2026-04-03 17:22:28
●MXemx.mail.ru2026-02-19 → 2026-04-03 · 3 obs
● 2026-02-19 12:10:52
● 2026-04-03 17:22:28
○MXmx.yandex.net2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-19 12:10:52
○ 2026-04-03 17:22:28
●A178.177.55.1302026-02-19 → 2026-04-03 · 3 obs
● 2026-02-19 12:10:52
● 2026-04-03 17:22:28
○A192.162.240.982018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-19 12:10:52
○ 2026-04-03 17:22:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| kos21.ru | podolsk.ens.mail.ru, rybinsk.ens.mail.ru | - |
✅ Authoritative Response
Server:217.69.139.164
NS records: podolsk.ens.mail.ru, rybinsk.ens.mail.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kos21.ru (unsigned zone)
⏱️ Timing
Total: 1503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.177.55.130 |
| NS | 2 | podolsk.ens.mail.ru, rybinsk.ens.mail.ru |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.mail.ru |
| SOA | 1 | rybinsk.ens.mail.ru support.biz.mail.ru |
Analysis
IP Addresses
kos21.ru points to a single IP number: 178.177.55.130.
Name Servers
kos21.ru is delegated to two name servers: podolsk.ens.mail.ru and rybinsk.ens.mail.ru.
kos21.ru uses the same name server setup as other domains, including beaver-pub.ru and ergons.ru.
kos21.ru shares name servers with other domains at least partially, for instance danielonline.ru, novolink.ru, parexleasing.az, glotoff.ru and domoi72.ru.
these name servers are commonly used with the name servers noginsk.ens.mail.ru, norilsk.ens.mail.ru, kyzyl.ens.mail.ru, tver.ens.mail.ru, perm.ens.mail.ru, izhevsk.ens.mail.ru, sarapul.ens.mail.ru, oryol.ens.mail.ru, seversk.ens.mail.ru and kaluga.ens.mail.ru.
Host names with one IP number:
podolsk.ens.mail.ru points to: 217.69.139.164.
rybinsk.ens.mail.ru points to: 94.100.180.238.
Mail Servers
The mail server for kos21.ru is emx.mail.ru.
kos21.ru shares the same mail server setup as other domains, including femb.ru, pointavto.ru, b2b-help.ru, ambusiness.ru and f-atlas.ru.
kos21.ru shares some mail servers with other domains, including y-flights.com, vitoline.ru, swift-line.ru, art-ka.ru and rcofk.ru.
Host name emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.