`kenzai.or.jp`

DNSSEC	⚠️ Not signed
A	163.43.193.29^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`sc109.as-server.net`
NS	`ns1.as-server.net` ⭐
		A	52.198.137.55^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}
			PTR	`ac2.as-server.net`
NS	`ns3.as-server.net`
		A	210.129.51.75^{🇯🇵 IDC210.129.48.0/20 Frontier Inc.}
			PTR	`idc-east.as-server.net`
MX	`mail.kenzai.or.jp` ⭐
		A	163.43.193.29^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`sc109.as-server.net`
TXT	`MS=ms43799237`
TXT	`v=spf1 +ip4:202.228.204.67 +ip4:163.43.193.29 include:_spf.willap.jp include:...`
SOA	`ns1.as-server.net`server@infoalive.com serial=2605081217

`or.jp`

	DNSSEC	⚠️ Not signed
	TXT	`or.jp.`

WOT: SAFE (60/100)
WOT: SAFE (75/100)

Overview

or.jp is a second-level domain under Japan's country code top-level domain (.jp), reserved exclusively for non-profit and organizational entities. It is managed by Japan Registry Services Co., Ltd. (JPRS), the authoritative registry for all .jp domains.

Eligible Registrants

Registration is restricted to Japanese non-profit organizations, including:

Foundations (財団法人) and associations (社団法人)
Medical corporations, audit firms, and religious organizations
NPOs (特定非営利活動法人) and special corporations
Agricultural and consumer cooperatives
International organizations and their Japanese branches
Foreign government embassies and consulates in Japan

Generally, each organization may register only one or.jp domain.

DNS Infrastructure

The or.jp zone is served by Japan's robust DNS infrastructure:

Nameservers: a.dns.jp through h.dns.jp (8 anycast servers)
Primary SOA: z.dns.jp
DNSSEC: Fully signed with validated chain of trust from root
Registry: JPRS (Japan Registry Services)

The domain hosts hundreds of subdomains for Japanese nonprofits, NGOs, professional associations, and public-interest organizations.

Previously MX for

kenzai.or.jp

Same first word

kenzai.sarl

kenzai.boutique

kenzai.asia

kenzai.net

kenzai.com

kenzai.cn

kenzai.ws

kenzai.be

kenzai.fr

kenzai.pl

kenzai.com.ar

kenzai.co

kenzai.de

kenzai.eu

kenzai.me

kenzai.or.jp

kenzai.co.kr

Similar names

zankei.com

kaizen.km.ua

kaizen.sa

kazein.com

kaizen.se

zenika.sg

izanke.com

izekan.com

kaizen.com

kaizen.kz

kaizen.pro

kaizen.careers

kaizen.life

kaizen.com.my

kaizen.co.za

naizek.com

zenika.github.io

kaizen.kitchen

kaizen.coop

kaizen.co

kaizen.website

kineza.pl

kaizen.de

zenkia.com

zenkai.com

kaizen.edu.mx

kaizen.ge

kaizen.agency

kaizen.com.mx

kaizen.coffee

nezika.com

kaizen.cn

kaizen.cz

nakiez.com

kanzei.ac.jp

kaizen.sk

kaznie.com

kaizen.vc

kaizen.company

kaizen.zone

zenika.com.mx

knieza.de

keinaz.com

zenkai.org

kaizen.org.ph

kaizen.com.tr

zenika.training

zeniak.com

ekazin.ru

kaizen.tv

kaizen.lv

kaizen.team

kaizen.world

kaizen.fr

kaizen.pk

kaizen.net.ve

kaizen.group

aikezn.com

kiazen.com

kenzia.com

kaizen.in

zenaki.com

kaizen.com.ph

kaizen.media

zenkai.in

kaizen.pe

kaizen.today

kaizen.be

kaizen.nyc

kaizen.cat

keniza.com

zenkai.com.br

zenkai.me

zenika.com

kaizen.at

kaizen.su

kaizen.rs

zaiken.ne.jp

kaizen.cl

zenkai.base.shop

kaizen.capital

kaizen.business

inzake.be

zenkai.com.au

zenkai.de

kenzia.net

kenzia.org

kaizen.vn

kaizen.me

ikazen.com

kaizen.pt

kaizen.ch

kaizen.digital

akinze.com

nikaze.com

kenzia.it

zaiken.com

kaizen.cc

zenkai.jp

kezian.com

kaizen.events

neziak.com

kaizen.ae

kaizen.email

kaizen.by

zaiken.cn

zenika.ca

kanzei.net

ezkina.net

kanzei.com

kaizen.hatenablog.com

zenkia.live

kanzei.or.jp

kaizen.ca

kaizen.ru

kaizen.dental

zenkai.us

zenkai.net

ekinza.com

kaizen.education

kaizen.us

keinaz.fr

kaizen.nl

kaizen.mx

zenkai.info

zenkai.biz

aizenk.com

kaizen.org

kaizen.eu

kaizen.it

kaizen.training

ikeanz.co.nz

kaizen.com.sg

kaizen.ph

kaizen.edu.vn

kaizen.com.br

kaizen.tips

kinaze.com

zenika.fr

zenika.org

kaizen.technology

kaizen.com.co

eazink.fr

kineza.com

zaiken.co.jp

kaizen.care

zianke.com

zenkai.co.za

zenika.net

DNS History

8 records (4 active, 4 former)

○NSns.as-server.net2008-11-27 → 2008-11-27 · 3 obs

● 2008-11-27 10:38:32
○ 2015-08-30 06:05:50
○ 2026-05-10 23:29:32

●NSns1.as-server.net2015-08-30 → 2026-05-10 · 3 obs

○ 2008-11-27 10:38:32
● 2015-08-30 06:05:50
● 2026-05-10 23:29:32

○NSns2.as-server.net2008-11-27 → 2008-11-27 · 3 obs

● 2008-11-27 10:38:32
○ 2015-08-30 06:05:50
○ 2026-05-10 23:29:32

●NSns3.as-server.net2015-08-30 → 2026-05-10 · 3 obs

○ 2008-11-27 10:38:32
● 2015-08-30 06:05:50
● 2026-05-10 23:29:32

○MXkenzai.or.jp2008-11-27 → 2017-12-16 · 4 obs

● 2008-11-27 10:38:32
● 2017-12-16 07:28:58
○ 2026-04-18 13:46:46
○ 2026-05-10 23:29:32

●MXmail.kenzai.or.jp2026-04-18 → 2026-05-10 · 3 obs

○ 2017-12-16 07:28:58
● 2026-04-18 13:46:46
● 2026-05-10 23:29:32

●A163.43.193.292026-04-18 → 2026-05-10 · 3 obs

○ 2017-12-16 07:28:58
● 2026-04-18 13:46:46
● 2026-05-10 23:29:32

○A202.228.204.672008-11-27 → 2017-12-16 · 4 obs

● 2008-11-27 10:38:32
● 2017-12-16 07:28:58
○ 2026-04-18 13:46:46
○ 2026-05-10 23:29:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
kenzai.or.jp	ns1.as-server.net, ns3.as-server.net	-

✅ Authoritative Response

Server:210.129.51.75

NS records: ns1.as-server.net, ns3.as-server.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kenzai.or.jp (unsigned zone)

⏱️ Timing

Total: 1382ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.43.193.29`
NS	2	`ns1.as-server.net, ns3.as-server.net`
MX	1	`mail.kenzai.or.jp (pri: 10)`
TXT	2	`MS=ms43799237, v=spf1 +ip4:202.228.204.67 +ip4:163.43.1`
SOA	1	`ns1.as-server.net server.infoalive.com`

Analysis

IP Addresses

kenzai.or.jp points to IP number 163.43.193.29.

Other host names include total-link.co.jp, pc-safe.jp, mail.total-link.co.jp and sc109.as-server.net that share IP numbers with kenzai.or.jp.

Name Servers

kenzai.or.jp is delegated to two name servers: ns1.as-server.net and ns3.as-server.net.

kenzai.or.jp uses the same name server setup as other domains such as samtyhotel.com, smart-academy.net, hkcenter.co.jp, tottori.net and japro.net.

kenzai.or.jp shares name servers with other domains at least partially, for example nitech.co.jp, linksnet.jp, as-server.net, sanin.com and mubin.jp.

Host names with one IP number:

ns1.as-server.net points to: 52.198.137.55.

ns3.as-server.net points to: 210.129.51.75.

Mail Servers

kenzai.or.jp is handled by a single mail server, mail.kenzai.or.jp.

mail.kenzai.or.jp points to a single IP: 163.43.193.29.

kenzai.or.jp - robtex.com

kenzai.or.jp

or.jp