`ctk.or.jp`

DNSSEC	⚠️ Not signed
A	60.43.241.111^{🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
		PTR	`ctk.or.jp`
NS	`mwns1.customer.ne.jp` ⭐
		A	210.150.23.210^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
NS	`mwns2.customer.ne.jp`
		A	202.17.152.183^{🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE}
MX	`mwbgw1.ocn.ad.jp` ⭐
		A	210.145.253.233^{🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
MX	`mwbgw2.ocn.ad.jp` ⭐
		A	210.145.253.234^{🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
TXT	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	`mwns1.customer.ne.jp`host-plan-ac@ntt.com serial=1613490623

`or.jp`

	DNSSEC	⚠️ Not signed
	TXT	`or.jp.`

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.

PTR for

111.241.43.60.in-addr.arpa

Same first word

ctk.co.jp

ctk.se

ctk.by

ctk.it

ctk.de

ctk.ne.kr

ctk.fr

ctk.me

ctk.jp

ctk.com

ctk.school.nz

ctk.blue

ctk.cn

ctk.world

ctk.sk

ctk.space

ctk.lv

ctk.wa.edu.au

ctk.net.pl

ctk.com.tr

ctk.or.kr

ctk.fi

ctk.ba

ctk.at

ctk.cc

ctk.mx

ctk.gmbh

ctk.be

ctk.no

ctk.biz.pl

ctk.eu

ctk.ro

ctk.cz

ctk.hu

ctk.co

ctk.group

ctk.nl

ctk.com.tw

ctk.org

ctk.or.jp

ctk.management

ctk.church

ctk.nyc

ctk.qld.edu.au

ctk.com.pl

ctk.kz

ctk.ne.jp

ctk.education

ctk.ru

ctk.pt

ctk.info

ctk.ca

ctk.life

ctk.com.hk

ctk.us

ctk.com.ru

ctk.com.au

ctk.net

ctk.net.cn

ctk.in

ctk.es

ctk.io

Similar names

ckt.org

ckt.nl

ktc.dk

tck.com.au

kct.at

tck.am

ktc.me

ckt.guru

tkc.cl

tck.com.tw

kct.si

tkc.by

ktc.ac.kr

tck.com.br

ktc.co.nz

tkc.com.tr

tck.ru

ktc.ch

tck.net.pl

tck.com.tr

tkc.sakura.ne.jp

tkc.su

kct.lv

ktc.academy

kct.org

kct.or.jp

ckt.cz

tkc.com.sa

ckt.be

ktc.ua

tkc.com

kct.gr

ktc.co

kct.pl

tkc.sk

ckt.co

ktc.com.my

kct.de

kct.vn

tck.kz

kct.solutions

tck.cn

tkc.co.uk

ktc.plus

tck.vn

tck.com.my

ckt.in

kct.ie

tkc.ddns.net

kct.co.kr

ckt.uz

ckt.hk

ktc.direct

tkc.cn

kct.company

kct.fi

kct.cn

tkc.firm.in

ktc.agency

tkc.eu

ktc.it

tkc.ru

kct.cc

ktc.kz

ckt.com.vn

tck.su

tkc.or.jp

ktc.eu

tck.ac.jp

tkc.ac.th

ckt.eu

tck.at

tkc.edu.vn

kct.ac.jp

ktc.mx

ckt.one

ktc.org

ktc.go.kr

ckt.lt

ktc.by

ktc.fr

ktc.gg

tck.com

kct.net

ktc.net.kw

tkc.com.ua

DNS History

13 records (5 active, 8 former)

●NSmwns1.customer.ne.jp2026-04-03 → 2026-05-10 · 3 obs

○ 2017-12-30 07:51:24
● 2026-04-03 12:34:22
● 2026-05-10 22:26:40

●NSmwns2.customer.ne.jp2026-04-03 → 2026-05-10 · 3 obs

○ 2017-12-30 07:51:24
● 2026-04-03 12:34:22
● 2026-05-10 22:26:40

○NSns-207.dns.jp-e1.cloudn-service.com2016-01-13 → 2017-12-30 · 5 obs

○ 2015-12-05 00:12:38
● 2016-01-13 12:53:36
● 2017-12-30 07:51:24
○ 2026-04-03 12:34:22
○ 2026-05-10 22:26:40

○NSns-208.dns.jp-w1.cloudn-service.com2016-01-13 → 2017-12-30 · 5 obs

○ 2015-12-05 00:12:38
● 2016-01-13 12:53:36
● 2017-12-30 07:51:24
○ 2026-04-03 12:34:22
○ 2026-05-10 22:26:40

○NSns-209.dns.us-e1.cloudn-service.com2016-01-13 → 2017-12-30 · 5 obs

○ 2015-12-05 00:12:38
● 2016-01-13 12:53:36
● 2017-12-30 07:51:24
○ 2026-04-03 12:34:22
○ 2026-05-10 22:26:40

○NSns1.secure.net2015-08-13 → 2015-12-05 · 4 obs

● 2015-08-13 12:23:50
● 2015-12-05 00:12:38
○ 2016-01-13 12:53:36
○ 2026-05-10 22:26:40

○NSns2.secure.net2015-08-13 → 2015-12-05 · 4 obs

● 2015-08-13 12:23:50
● 2015-12-05 00:12:38
○ 2016-01-13 12:53:36
○ 2026-05-10 22:26:40

○MXin.sjc.mx.trendmicro.com2015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 12:23:50
○ 2015-12-05 00:12:38
○ 2026-05-10 22:26:40

●MXmwbgw1.ocn.ad.jp2015-12-05 → 2026-05-10 · 3 obs

○ 2015-08-13 12:23:50
● 2015-12-05 00:12:38
● 2026-05-10 22:26:40

●MXmwbgw2.ocn.ad.jp2015-12-05 → 2026-05-10 · 3 obs

○ 2015-08-13 12:23:50
● 2015-12-05 00:12:38
● 2026-05-10 22:26:40

○A153.254.39.92015-08-13 → 2015-08-13 · 3 obs

● 2015-08-13 12:23:50
○ 2015-12-05 00:12:38
○ 2026-05-10 22:26:40

●A60.43.241.1112026-04-03 → 2026-05-10 · 3 obs

○ 2017-12-30 07:51:24
● 2026-04-03 12:34:22
● 2026-05-10 22:26:40

○A61.126.37.2052015-12-05 → 2017-12-30 · 5 obs

○ 2015-08-13 12:23:50
● 2015-12-05 00:12:38
● 2017-12-30 07:51:24
○ 2026-04-03 12:34:22
○ 2026-05-10 22:26:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
ctk.or.jp	mwns2.customer.ne.jp, mwns1.customer.ne.jp	-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns2.customer.ne.jp, mwns1.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`60.43.241.111`
NS	2	`mwns1.customer.ne.jp, mwns2.customer.ne.jp`
MX	2	`mwbgw1.ocn.ad.jp (pri: 10), mwbgw2.ocn.ad.jp (pri: 10)`
TXT	1	`v=spf1 a include:_spf.bizmw.com ~all`
SOA	1	`mwns1.customer.ne.jp host-plan-ac.ntt.co`

Analysis

IP Addresses

ctk.or.jp points to a single IP address: 60.43.241.111.

Name Servers

Two name servers mwns1.customer.ne.jp and mwns2.customer.ne.jp handle the delegation for ctk.or.jp.

ctk.or.jp shares the same name server setup as other domains, for example 2touch.co.jp, matuden.jp, roku.co.jp, atlas0014.co.jp and kusakidam-001water.jp.

Host names with one IP number:

mwns1.customer.ne.jp points to 210.150.23.210; mwns2.customer.ne.jp points to 202.17.152.183.

Mail Servers

Two mail servers handle ctk.or.jp: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.

ctk.or.jp shares the same mail server setup as other domains, including box-d.co.jp, sankoalumi.co.jp, sensbey.co.jp, a-mytech.co.jp and daishin-kanagata.co.jp.

Host names with one IP number:

mwbgw1.ocn.ad.jp points to 210.145.253.233; mwbgw2.ocn.ad.jp points to 210.145.253.234.

ctk.or.jp - robtex.com

ctk.or.jp

or.jp

Overview

Eligible Registrants

DNS Infrastructure

PTR for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ctk.or.jp`

`or.jp`