mail.codeguide.ru - robtex.com

mail.codeguide.ru

CNAMEdomain.mail.yandex.net
CNAMEmail.yandex.ru
DNSSEC⚠️ Not signed
A2a02:6b8::a4🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRmail-yandex-ru-production-external.stable.qloud-b.yandex.net
A77.88.21.37🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
NSns3.yandex.ru ⭐
A2a02:6b8::1001🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRns3.yandex.ru
A87.250.250.1🇷🇺 TELETECH87.250.224.0/19 Yandex network
PTRns3.yandex.ru
NSns4.yandex.ru
A2a02:6b8:0:1::1:1🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRns4.yandex.ru
A77.88.21.1🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
PTRns4.yandex.ru
MXmx.yandex.ru ⭐
A2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRmxfront.stable.qloud-b.yandex.net
A77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
PTRmxfront.stable.qloud-b.yandex.net
TXTmailru-verification: de5e58bac797a76d
TXTv=spf1 redirect=_spf.yandex.net
TXTyandex-verification: bee56b4396205cc2
TXTgoogle-site-verification=nDqpeshiROB8mM_RiyqO01xkpebe6eiweTxpX6vx8lk
SOAns3.yandex.rusysadmin@yandex.ru serial=1777017360

codeguide.ru

DNSSEC⚠️ Not signed
A77.223.98.188🇷🇺 SELECTEL-MSK77.223.96.0/22 Selectel Route Object
NSdns1.yandex.net ⭐
NSdns2.yandex.net
MXmx.yandex.net ⭐
TXTv=spf1 redirect=_spf.yandex.net
SOAdns1.yandex.netdns-hosting@yandex.ru serial=17

Previously MX for

codeguide.ru

Same first word

mail.bike
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mail.dyn-vpn.de
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mail.gov.cn
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mail.(0x7075737379)cat.jp
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mail.co.za
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mail.ac.me
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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A217.12.210.2395.34.183.49CNAMEdomain.mail.yandex.net
○A217.12.210.2392015-12-05 → 2016-07-18 · 4 obs
○ 2015-08-10 15:19:46
● 2015-12-05 00:50:10
● 2016-07-18 14:20:30
○ 2026-04-24 08:10:08
○A5.34.183.492015-08-10 → 2015-08-10 · 3 obs
● 2015-08-10 15:19:46
○ 2015-12-05 00:50:10
○ 2026-04-24 08:10:08
●CNAMEdomain.mail.yandex.net2026-04-24 → 2026-04-24 · 1 obs
● 2026-04-24 08:10:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net...-
codeguide.rudns1.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 codeguide.ru (unsigned zone)

⏱️ Timing

Total: 1160ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1domain.mail.yandex.net

Analysis

IP Addresses

mail.codeguide.ru resolves to two IPs: 2a02:6b8::a4 and 77.88.21.37.

other host names for instance tempkorea.com, mail.technodreamscreation.com, mail.yandex.by, nym.be and mail.yandex.az share IP numbers with mail.codeguide.ru.

Name Servers

mail.codeguide.ru is delegated to two name servers: ns3.yandex.ru and ns4.yandex.ru.

mail.codeguide.ru shares the same name server setup as other domains, for example tv.yandex.kz, browser.yandex.com, addappter.com, autonn.ru and phone.yandex.net.

mail.codeguide.ru partially shares name servers with other domains, for instance mon.yandex.net, net.yandex.net and qloud.yandex.net.

These name servers are often used with ns5.yandex.ru and ns6.yandex.ru.

Host names with two IP numbers:

ns3.yandex.ru points to 2a02:6b8::1001 and 87.250.250.1

ns4.yandex.ru points to 2a02:6b8:0:1::1:1 and 77.88.21.1

Mail Servers

mail.codeguide.ru is handled by a single mail server, mx.yandex.ru.

mail.codeguide.ru shares the same mail server setup as other domains, for instance ib.by, vip-dom.com, autosupirkimas24h.lt, akernel.ru and dekata.ru.

mail.codeguide.ru shares mail servers with other domains at least partially, including 7ba.ru, lawyer.ua, eyekraft.ru, dramax.ru and net-alko.ru.

Host mx.yandex.ru resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.