mail.serezhkin.com - robtex.com

mail.serezhkin.com

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=1774395129

serezhkin.com

DNSSEC⚠️ Not signed
A159.69.146.250🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC
NSdns1.yandex.net ⭐
NSdns2.yandex.net
MXmx.yandex.net ⭐
TXTv=spf1 redirect=_spf.yandex.net
SOAdns1.yandex.netdns-hosting@yandex.ru serial=29

Previously MX for

serezhkin.com

Same first word

mail.net.vn
mail.lib.wy.us
mail.pictures
mail.gov.kg
mail.ag
mail.hk
mail.win
mail.net
mail.ne.kr
mail.de
mail.hacca.jp
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mail.df.gov.br
mail.ci
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mail.blogspot.be
mail.go.kr
mail.my-gateway.de
mail.wedding
mail.za.bz
mail.to
mail.tf
mail.ba
mail.lviv.ua
mail.ki
mail.lima-city.de
mail.mysecuritycamera.com
mail.microsoft
mail.mil.tw
mail.org.in
mail.deals
mail.edu.pl
mail.cfolks.pl
mail.cm
mail.go.th
mail.mil.cn
mail.poivron.org
mail.dnshome.de
mail.jp
mail.mp
mail.ac
mail.fund
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mail.mysecuritycamera.net
mail.glass
mail.mil.kg
mail.dog
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mail.gov.bh
mail.tours
mail.no-ip.info
mail.gob.cl
mail.na
mail.hn
mail.srl
mail.org.nz
mail.chicappa.jp
mail.123hjemmeside.no
mail.fantasyleague.cc
mail.ufcfan.org
mail.ge
mail.egoism.jp
mail.jpn.org
mail.run
mail.co.education
mail.edu.rs
mail.lt
mail.vn
mail.sl
mail.gov.mu
mail.gov.in
mail.uz
mail.clinic
mail.bm
mail.com.pk
mail.hl.cn
mail.nhs.uk
mail.hotmail
mail.gov.om
mail.canon
mail.net.hk
mail.as
mail.biz.ng
mail.ir
mail.net.ru
mail.cz

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aiml.events
mlia.gov.tw
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ilma.pl
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ilma.org
ilam.ph

DNS History

3 records (1 active, 2 former)

200920112013201520172019202120232025A89.108.74.12589.108.81.81CNAMEdomain.mail.yandex.net
○A89.108.74.1252015-08-15 → 2016-07-01 · 5 obs
○ 2008-03-18 05:30:38
● 2015-08-15 08:20:16
● 2016-07-01 14:53:36
○ 2026-03-24 23:32:08
○ 2026-03-24 23:32:10
○A89.108.81.812008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 05:30:38
○ 2015-08-15 08:20:16
○ 2026-03-24 23:32:10
●CNAMEdomain.mail.yandex.net2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 23:32:08
● 2026-03-24 23:32:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
serezhkin.comdns1.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 serezhkin.com (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1domain.mail.yandex.net

Analysis

IP Addresses

mail.serezhkin.com resolves to two IP numbers: 2a02:6b8::a4 and 77.88.21.37.

other host names including vitalco.org, mail.transclass.ru, mail.yandex.ru, mail.asnafgroup.az and mail.yandex share IP numbers with mail.serezhkin.com.

Name Servers

mail.serezhkin.com is delegated to two name servers ns3.yandex.ru and ns4.yandex.ru.

mail.serezhkin.com shares the same name server setup as other domains, for instance 6.0.7.3.0.0.0.0.8.b.6.0.2.0.a.2.ip6.arpa, 178.108.95.in-addr.arpa, vipavtochel.ru, 227.255.5.in-addr.arpa and music.yandex.ru.

mail.serezhkin.com at least partially shares name servers with other domains, for instance cloud.yandex.net, cmail.yandex.net, share.yandex.net, market.yandex.ru and ld.yandex-team.ru.

these name servers are commonly used alongside ns3.yandex.net.

Host names with two IP numbers:

The host name ns3.yandex.ru points to 2a02:6b8::1001 and 87.250.250.1; the host name ns4.yandex.ru points to 2a02:6b8:0:1::1:1 and 77.88.21.1.

Mail Servers

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

mail.serezhkin.com shares the same mail server setup as other domains, for instance samara-detector.ru, power-d.ru, efetrade.ru, atl-t.ru and book23.ru.

mail.serezhkin.com shares some mail servers with other domains, at least partially, for instance buro39.ru, ok-net.ru, ledchita.com, idem.agency and firebrain.ru.

these mail servers are commonly used with the mail servers mx.yandex.net.

mx.yandex.ru resolves to two IP numbers: 2a02:6b8::311 and 77.88.21.249.