fourone.jp - robtex.com

fourone.jp

DNSSEC⚠️ Not signed
A153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
NSfourone.jp ⭐
A153.122.205.51🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
NSdnss10.so-net.ne.jp
A210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc.
PTRdnss10.so-net.ne.jp
NSdnss11.so-net.ne.jp
A210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc.
PTRdnss11.so-net.ne.jp
MXmx.fourone.jp ⭐
A153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
TXTv=spf1 include:_spf.shared-server.net +mx ~all
SOAfourone.jphostmaster@fourone.jp serial=2602171610

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1778850902

NS for

fourone.jp

Previously MX for

fourone.jp

Subdomains

mx.fourone.jp

Same first word

fourone.de
fourone.com
fourone.co.uk
fourone.jp

Similar names

onefour.it
oreofun.se
onefour.co.za
onefour.ca
eurofon.com
eurofon.de
uoforen.de
onerouf.com
eunofro.com
oneforu.com
eurofon.es
onefour.de
eurofon.cz
forueon.com
fourneo.com
onefour.org
eurofon.ru
oreofun.fi
onefour.net
eurofon.sk
uforone.net
onefour.nl
onefour.com.br
onefour.com
onefour.com.au
eonfour.com
onefour.ch
uforone.top
oreofun.dk

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSdnss10.so-net.ne.jpdnss11.so-net.ne.jpfourone.jpMXmx.fourone.jpfourone.jpA153.122.205.51203.105.85.184211.13.196.157
●NSdnss10.so-net.ne.jp2015-07-23 → 2026-05-15 · 2 obs
● 2015-07-23 21:20:50
● 2026-05-15 13:41:14
●NSdnss11.so-net.ne.jp2015-07-23 → 2026-05-15 · 2 obs
● 2015-07-23 21:20:50
● 2026-05-15 13:41:14
●NSfourone.jp2015-07-23 → 2026-05-15 · 2 obs
● 2015-07-23 21:20:50
● 2026-05-15 13:41:14
○MXfourone.jp2015-07-23 → 2015-07-23 · 3 obs
● 2015-07-23 21:20:50
○ 2015-11-30 11:10:46
○ 2026-05-15 13:41:14
●MXmx.fourone.jp2015-11-30 → 2026-05-15 · 3 obs
○ 2015-07-23 21:20:50
● 2015-11-30 11:10:46
● 2026-05-15 13:41:14
●A153.122.205.512026-05-13 → 2026-05-15 · 3 obs
○ 2017-05-22 18:22:56
● 2026-05-13 08:20:16
● 2026-05-15 13:41:14
○A203.105.85.1842015-07-23 → 2015-07-23 · 3 obs
● 2015-07-23 21:20:50
○ 2015-11-30 11:10:46
○ 2026-05-15 13:41:14
○A211.13.196.1572015-11-30 → 2017-05-22 · 5 obs
○ 2015-07-23 21:20:50
● 2015-11-30 11:10:46
● 2017-05-22 18:22:56
○ 2026-05-13 08:20:16
○ 2026-05-15 13:41:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
fourone.jpdnss10.so-net.ne.jp, dnss11.so-net.ne.jp-

✅ Authoritative Response

Server:210.139.255.17

NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourone.jp (unsigned zone)

⏱️ Timing

Total: 1695ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.205.51
NS2dnss11.so-net.ne.jp, dnss10.so-net.ne.jp
MX1mx.fourone.jp (pri: 10)
TXT1v=spf1 include:_spf.shared-server.net +m
SOA1fourone.jp hostmaster.fourone.jp

Analysis

Hierarchy

fourone.jp is the parent of mx.fourone.jp.

Name Server Role

fourone.jp serves as a name server for fourone.jp.

Typically, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are used as name servers together with fourone.jp.

IP Addresses

fourone.jp resolves to one IP number: 153.122.205.51.

other host names including minamitec.co.jp, rkvs.com, uphair-takashi.com, hosina.jp and nihon-onkyo.co.jp share IP numbers with fourone.jp.

Name Servers

fourone.jp is delegated to three name servers: fourone.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.

fourone.jp at least partially shares name servers with other domains, for instance seirouin.or.jp, so-u-wa.com, lantiki.com, aktax.jp and bellona.jp.

Host names with one IP number: fourone.jp points to 153.122.205.51; dnss10.so-net.ne.jp points to 210.139.255.1; dnss11.so-net.ne.jp points to 210.139.255.17.

Mail Servers

fourone.jp is handled by a single mail server, mx.fourone.jp.

mx.fourone.jp resolves to IP 153.122.206.94.