ctoss.ru - robtex.com
ctoss.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.112.63.205🇷🇺 BRYANSK-AS37.112.48.0/20 CJSC "ER-Telecom Holding" Bryansk branch Bryansk, Russia | ||||||
| PTR | ctoss.ru | ||||||
| NS | dns1.yandex.net ⭐ | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns2.yandex.net | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 ip4:37.112.63.205 include:_spf.yandex.net include:_spf.google.com ~all | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=17 | ||||||
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=4068817 | ||||||
PTR for
Same first word
ctoss.ru |
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns1.yandex.net2026-03-23 → 2026-05-09 · 2 obs
● 2026-05-09 23:43:14
●NSdns2.yandex.net2026-03-23 → 2026-05-09 · 2 obs
● 2026-05-09 23:43:14
●MXmx.yandex.net2026-03-23 → 2026-05-09 · 2 obs
● 2026-05-09 23:43:14
●A37.112.63.2052026-03-23 → 2026-05-09 · 2 obs
● 2026-05-09 23:43:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| ctoss.ru | dns1.yandex.net, dns2.yandex.net | - |
✅ Authoritative Response
Server:213.180.204.213
NS records: dns1.yandex.net, dns2.yandex.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctoss.ru (unsigned zone)
⏱️ Timing
Total: 1131ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.112.63.205 |
| NS | 2 | dns2.yandex.net, dns1.yandex.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 ip4:37.112.63.205 include:_spf.ya |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
IP Addresses
ctoss.ru points to a single IP number: 37.112.63.205.
Other host names, for instance veritas.su, share IP numbers with ctoss.ru.
Name Servers
ctoss.ru is delegated to two name servers: dns1.yandex.net and dns2.yandex.net.
ctoss.ru shares the same name server setup as other domains, for example upakm.ru, erbiller.co.uk, vladi.group, webcom-media.ru and bqdesign.ru.
ctoss.ru at least partially shares name servers with other domains, for instance skit.ru, forumgroup.spb.ru, combatmarkt.ru, argost.ru and novinka-tour.ru.
These name servers are often used with dns1.yandex.ru and dns2.yandex.ru.
Host names with two IP numbers:
dns1.yandex.net points to 2a02:6b8::213 and 213.180.204.213
dns2.yandex.net points to 2a02:6b8:0:1::213 and 93.158.134.213
Mail Servers
ctoss.ru is handled by a single mail server, mx.yandex.net.
ctoss.ru shares the same mail server setup as other domains, for instance veloman.org, noatero.ru, timecops.net, teklif.in and debitorka.online.
ctoss.ru shares some mail servers with other domains, at least partially, for instance usacert.com and gsi32.ru.
Host mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.