mail.cok.jp - robtex.com

mail.cok.jp

DNSSEC⚠️ Not signed
A133.125.40.19🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRmail2020.cok.jp
TXTv=spf1 +ip4:133.125.40.19 ~all

cok.jp

DNSSEC⚠️ Not signed
A153.127.64.81🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
NSns.cok.jp ⭐
NSwww.yuntaku.co.uk
MXmail2020.cok.jp ⭐
TXTgoogle-site-verification=FUhMZnjwXYENDFOVy2ZjovmQk-1fFce_bfhvGAJPOIM
TXTv=spf1 +ip4:133.125.40.19 ~all
SOAns.cok.jpkawaji@yuntaku.com 2026-04-02 #1
WOT: SAFE (62/100)
WOT: SAFE (68/100)

Previously MX for

mail.cok.jp
cok.jp

Same first word

mail.bg
mail.wtf
mail.webhop.me
mail.al
mail.myfast.space
mail.vip
mail.red
mail.co.il
mail.pf
mail.com.mx
mail.uy
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mail.cd
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mail.cx
mail.gm
mail.su
mail.toshiba
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mail.party
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mail.directory
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mail.com.tw
mail.hk.com
mail.mh
mail.gov.mw
mail.gov.bn
mail.mmafan.biz
mail.ky
mail.synology-diskstation.de
mail.schoolbus.jp
mail.uz.ua
mail.cool
mail.uk
mail.ru.com
mail.littlestar.jp
mail.com.se
mail.gov.ao
mail.me
mail.ac.gov.br
mail.edu.me
mail.pr
mail.mlbfan.org
mail.ph
mail.nhlfan.net
mail.gru.br
mail.gl
mail.link
mail.no
mail.net.vn
mail.lib.wy.us
mail.pictures
mail.gov.kg
mail.ag
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mail.win
mail.net
mail.ne.kr
mail.support
mail.de
mail.hacca.jp
mail.moo.jp
mail.new
mail.teva
mail.gov.al
mail.kapsi.fi
mail.cutegirl.jp
mail.gov.az
mail.io
mail.cash
mail.eus
mail.firewall-gateway.com
mail.pro
mail.pupu.jp
mail.vivian.jp
mail.df.gov.br
mail.ci
mail.chirurgiens-dentistes.fr
mail.frenchkiss.jp
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

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mial.org
mail.egoism.jp
mail.jpn.org
mail.run
imla.org.uk
mail.edu.rs
liam.tv
mali.hr
liam.me
mail.lt
mila.dk
mail.vn
mila.support
almi.fr
mila.vn
mail.sl
mail.gov.mu
liam.ddns.me
mail.gov.in
imal.de
mail.uz
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mail.bm
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lima.info
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mail.hotmail
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mail.gov.om
mila.nl
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lima.ch
mail.net.hk
lima.rocks
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almi.es
mila.ch
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lami.me
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mlai.net
lima.jp
ilam.cn
imal.se
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alim.ru
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liam.sk
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mail.dnsalias.net
ilma.us
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lima.se
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imla.nl
mail.ne.jp
lima.life
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mail.co.jp
amli.dev
mail.be
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mail.how
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imal.ma
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aiml.com
mail.in-brb.de
mail.ro
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mail.neustar
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mail.yahoo

DNS History

4 records (1 active, 3 former)

201520162017201820192020202120222023202420252026MXmail.cok.jpA133.125.40.19101.78.6.139153.126.178.15
○MXmail.cok.jp2015-10-11 → 2016-12-19 · 4 obs
● 2015-10-11 08:54:44
● 2016-12-19 10:45:20
○ 2026-02-20 15:17:20
○ 2026-05-06 17:34:00
○A101.78.6.1392014-10-06 → 2016-08-04 · 4 obs
● 2014-10-06 17:42:12
● 2016-08-04 11:37:46
○ 2016-12-19 10:45:20
○ 2026-05-06 17:34:00
●A133.125.40.192026-02-20 → 2026-05-06 · 3 obs
○ 2016-12-19 10:45:20
● 2026-02-20 15:17:20
● 2026-05-06 17:34:00
○A153.126.178.152016-12-19 → 2016-12-19 · 4 obs
○ 2016-08-04 11:37:46
● 2016-12-19 10:45:20
○ 2026-02-20 15:17:20
○ 2026-05-06 17:34:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, f.dns.jp, b.dns.jp, c.dns.jp...-
cok.jpwww.yuntaku.co.uk, ns.cok.jp1 record

✅ Authoritative Response

Server:153.126.178.73

NS records: www.yuntaku.co.uk, ns.cok.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cok.jp (unsigned zone)

⏱️ Timing

Total: 4663ms | Queries: -

📄 Records

TypeCountSample Data
A1133.125.40.19
TXT1v=spf1 +ip4:133.125.40.19 ~all

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.cok.jp)

Analysis

IP Addresses

mail.cok.jp points to a single IP address: 133.125.40.19.

Other host names such as mail.job-offer.jp, mail.gig-band.com, mail2022.captain-r.com, mail.sale-buy.me and mail.su-han.com share IP numbers with mail.cok.jp.