mail.four9.jp - robtex.com

mail.four9.jp

DNSSEC⚠️ Not signed
A153.122.13.50🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRvps001485.tmm.jp

four9.jp

DNSSEC⚠️ Not signed
A153.122.13.50🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
NSdns4.tsukuba.ad.jp ⭐
NSdns5.tsukuba.ad.jp
MXvps001485.tmm.jp ⭐
TXTv=spf1 +ip4:180.235.254.240 +ip4:153.122.13.50 ~all
SOAdns4.tsukuba.ad.jphostmaster@tsukuba.ad.jp 2021-06-18 #1

Previously MX for

four9.jp

Same first word

mail.bh
mail.site
mail.select
mail.email
mail.blue
mail.tools
mail.sy
mail.li
mail.rw
mail.vision
mail.sk
mail.at
mail.surf
mail.gov.ge
mail.dating
mail.travel
mail.td
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mail.bio
mail.dk
mail.main.jp
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mail.lc
mail.city
mail.yt
mail.watch
mail.lomo.jp
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mail.ws
mail.holiday
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mail.ma
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mail.hashbang.sh
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mail.co.uk
mail.net.mk
mail.rj.gov.br
mail.freedesktop.org
mail.direct
mail.yandex
mail.sh.cn
mail.vacations
mail.my
mail.gov.mz
mail.gov.ph
mail.veterinaire.fr
mail.ee
mail.yokohama
mail.mu
mail.nflfan.org
mail.bayern
mail.dnsalias.com
mail.com.tr
mail.ai
mail.org.ru
mail.re
mail.credit
mail.pl
mail.co.com
mail.perspecta.cloud
mail.ac.id
mail.nu
mail.barcelona
mail.codes
mail.ddns.net
mail.net.kg
mail.qualifioapp.com
mail.photography
mail.net.au
mail.storage
mail.energy
mail.mods.jp
mail.online
mail.ras.ru
mail.ls
mail.app
mail.co.kr
mail.rv.ua
mail.ox.rs
mail.idv.tw
mail.toray
mail.pt
mail.ke
mail.net.sa
mail.idf.il
mail.house
mail.mk
mail.club
mail.news
mail.daa.jp
mail.sd
mail.co.id
mail.top

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A153.122.13.50180.235.254.240
●A153.122.13.502026-05-15 → 2026-05-15 · 3 obs
○ 2016-03-30 15:26:32
● 2026-05-15 00:22:36
● 2026-05-15 00:22:38
○A180.235.254.2402015-07-09 → 2016-03-30 · 4 obs
● 2015-07-09 12:29:28
● 2016-03-30 15:26:32
○ 2026-05-15 00:22:36
○ 2026-05-15 00:22:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, b.dns.jp, a.dns.jp, g.dns.jp...-
four9.jpdns5.tsukuba.ad.jp, dns4.tsukuba.ad.jp2 records

✅ Authoritative Response

Server:153.122.20.21

NS records: dns5.tsukuba.ad.jp, dns4.tsukuba.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for four9.jp (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.13.50

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp)

Analysis

IP Addresses

mail.four9.jp points to a single IP: 153.122.13.50.

Other host names, for instance mail.komei.co.jp, komei.co.jp, www.e-bosai.jp, vps001485.tmm.jp and four9.jp share IP numbers with mail.four9.jp.