ohku.jp - robtex.com

ohku.jp

DNSSEC⚠️ Not signed
A27.133.145.158🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRmx802.all-internet.jp
NSns01.ai-hosting.net ⭐
A27.133.145.163🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
NSns02.ai-hosting.net
A210.152.240.44🇯🇵 IDC210.152.240.0/21 Frontier Inc.
PTR210-152-240-44.augusta.jp-west.compute.idcfcloud.net
MXmailserv01.ohku.jp ⭐
A27.133.145.158🇯🇵 SAKURA-B27.133.128.0/19 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRmx802.all-internet.jp
TXTv=spf1 include:spf.all-internet.jp ~all
SOAns01.ai-hosting.nettsg@stagegroup.jp 2025-07-25 #3

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=1785573003

Subdomains

mailserv01.ohku.jp

Same first word

ohku.com
ohku.co.jp
ohku.jp

Similar names

hoku.cc
hoku.co.jp
ukoh.com
kohu.fi
kuho.co.kr
kuho.nl
ohuk.net
oukh.com
hoku.es
khou.biz
kohu.co.nz
huko.es
kohu.com
kohu.ch
houk.ru
kohu.de
hoku.de
houk.de
uohk.com
kuoh.com
ukho.co
khou.ru
hoku.in
hkuo.com
khou.de
ouhk.com
huko.vn
hoku.net
huko.nl
khou.co.uk
ouhk.edu.hk
huko.hu
kuho.ru
houk.cn
kohu.net
kouh.com
ukoh.co.uk
khou.org
hoku.co
khuo.com
hoku.fi
huko.hk
houk.com
hoku.ca
hoku.nl
kouh.de
houk.org
hoku.to
huko.ru
huko.it
khou.mobi
ukho.ru
hoku.mx
huko.com.cn
khuo.net
kohu.cn
kuho.at
ohuk.net.tw
kohu.ru
hoku.it
ouhk.cn
khou.us
kuho.org
kuho.de
houk.nl
huko.at
huko.online
kouh.ir
huko.me
ukho.de
khou.info
ohuk.co.uk
khou.net
okhu.com
hoku.am
hoku.tv
ouhk.hk
houk.cz
uhko.com
hoku.eu
khou.com
hoku.com
kohu.nz
oukh.de
hoku.org
huko.cz
ukho.gov.uk
okuh.cn
huko.com
huko.be
huko.de
kuho.net
huko.dk
kohu.org
kuoh.net
ouhk.shop
hoku.at
huko.net
hoku.nz
ouhk.cz
huko.cn
houk.net
huko.ch
khuo.ng
ukho.info
kuho.com

DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026NSns01.ai-hosting.netns02.ai-hosting.netkotetsu.alpha-lt.nettsukuba.aics.ne.jpMXmailserv01.ohku.jpampub01.alpha-mail.netampub02.alpha-mail.netampub03.alpha-mail.netA27.133.145.158210.129.213.40216.230.250.172
○NSkotetsu.alpha-lt.net2015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
●NSns01.ai-hosting.net2016-03-06 → 2026-08-01 · 3 obs
○ 2015-11-25 17:35:30
● 2016-03-06 01:06:54
● 2026-08-01 08:39:10
●NSns02.ai-hosting.net2016-03-06 → 2026-08-01 · 3 obs
○ 2015-11-25 17:35:30
● 2016-03-06 01:06:54
● 2026-08-01 08:39:10
○NStsukuba.aics.ne.jp2015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
○MXampub01.alpha-mail.net2015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
○MXampub02.alpha-mail.net2015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
○MXampub03.alpha-mail.net2015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
●MXmailserv01.ohku.jp2016-03-06 → 2026-08-01 · 3 obs
○ 2015-11-25 17:35:30
● 2016-03-06 01:06:54
● 2026-08-01 08:39:10
○A210.129.213.402016-03-06 → 2016-07-15 · 5 obs
○ 2015-11-25 17:35:30
● 2016-03-06 01:06:54
● 2016-07-15 12:58:34
○ 2026-06-27 01:05:06
○ 2026-08-01 08:39:10
○A216.230.250.1722015-08-05 → 2015-11-25 · 4 obs
● 2015-08-05 04:25:54
● 2015-11-25 17:35:30
○ 2016-03-06 01:06:54
○ 2026-08-01 08:39:10
●A27.133.145.1582026-06-27 → 2026-08-01 · 3 obs
○ 2016-07-15 12:58:34
● 2026-06-27 01:05:06
● 2026-08-01 08:39:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, h.dns.jp, e.dns.jp, c.dns.jp...-
ohku.jpns01.ai-hosting.net, ns02.ai-hosting.net-

✅ Authoritative Response

Server:210.152.240.44

NS records: ns01.ai-hosting.net, ns02.ai-hosting.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ohku.jp (unsigned zone)

⏱️ Timing

Total: 1724ms | Queries: -

📄 Records

TypeCountSample Data
A127.133.145.158
NS2ns02.ai-hosting.net, ns01.ai-hosting.net
MX1mailserv01.ohku.jp (pri: 10)
TXT1v=spf1 include:spf.all-internet.jp ~all
SOA1ns01.ai-hosting.net tsg.stagegroup.jp

Analysis

Hierarchy

The domain mailserv01.ohku.jp falls under the parent ohku.jp.

IP Addresses

ohku.jp directs to one IP number, which is 27.133.145.158.

Among the host names that share IP numbers with ohku.jp are mail.orangehome.jp, tec-inter.co.jp, mailserv01.maruichifoods.co.jp and two others.

Name Servers

The NS records for ohku.jp delegate to ns01.ai-hosting.net and ns02.ai-hosting.net.

ohku.jp has the same name server delegation as a number of other domains, such as ebisuma.jp, m-studio.net, watanabe-real.co.jp and two more.

At least some of ohku.jp's name servers are shared with other domains, for example ri-fo.net, subaru-pop.jp, megabluebird.co.jp and two more.

Each of ns01.ai-hosting.net and ns02.ai-hosting.net has one IP address: ns01.ai-hosting.net uses 27.133.145.163 and ns02.ai-hosting.net uses 210.152.240.44.

Mail Servers

ohku.jp routes its mail through a single mail server, mailserv01.ohku.jp.

mailserv01.ohku.jp resolves to 27.133.145.158 and no other IP number.