`jvca.or.jp`

DNSSEC	⚠️ Not signed
NS	`mns01.ucom.ne.jp` ⭐
		A	221.240.16.100^{🇯🇵 UCOM221.240.0.0/12 ARTERIA Networks Corporation(UCOM)}
			PTR	`221x240x16x100.ap221.ftth.ucom.ne.jp`
NS	`mns02.ucom.ne.jp`
		A	221.240.58.113^{🇯🇵 UCOM221.240.0.0/12 ARTERIA Networks Corporation(UCOM)}
			PTR	`221x240x58x113.ap221.ftth.ucom.ne.jp`
MX	`mail.jvca.or.jp` ⭐
		A	221.112.41.51^{🇯🇵 UCOM221.112.0.0/16 ARTERIA Networks Corporation(UCOM)}
TXT	`v=spf1 +mx ~all`
TXT	`google-site-verification=wYHC3TVwiKIiGHkMqJqnY9wlbG2tZdLTw2qMDz8Io_s`
SOA	`mns01.ucom.ne.jp`domain_ml@fttx.co.jp serial=11

`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.

Subdomains

mail.jvca.or.jp

Same first word

jvca.org

jvca.com

jvca.fr

jvca.jp

jvca.or.jp

jvca.co.uk

jvca.net

jvca.gr.jp

Similar names

vcaj.jp

avcj.com

avcj.cn

cavj.ch

avjc.com.br

avjc.de

jcav.org

cjav.org

acvj.biz

vajc.com

acvj.cn

javc.de

cavj.com

jcva.jp

jacv.com

acjv.info

jcva.com

jacv.sakura.ne.jp

jacv.net

vajc.cn

acjv.org

vjac.com

cjav.xyz

jvac.cn

jacv.eu

jcav.cn

vacj.com

javc.com

ajvc.net

acjv.com

avcj.se

cajv.com

cvja.com

javc.or.kr

jcva.org

acvj.com

avjc.com

jvac.com

cvaj.cn

javc.org

avcj.tv

avjc.cn

ajcv.com

cvaj.ch

vajc.lt

jvac.net

javc.nl

jcav.co.uk

DNS History

5 records (3 active, 2 former)

●NSmns01.ucom.ne.jp2026-04-05 → 2026-04-26 · 3 obs

○ 2018-12-20 02:22:54
● 2026-04-05 05:04:56
● 2026-04-26 08:40:24

●NSmns02.ucom.ne.jp2026-04-05 → 2026-04-26 · 3 obs

○ 2018-12-20 02:22:54
● 2026-04-05 05:04:56
● 2026-04-26 08:40:24

○NSuns01.usen.ad.jp2015-08-22 → 2018-12-20 · 4 obs

● 2015-08-22 13:59:04
● 2018-12-20 02:22:54
○ 2026-04-05 05:04:56
○ 2026-04-26 08:40:24

○NSuns02.usen.ad.jp2015-08-22 → 2018-12-20 · 4 obs

● 2015-08-22 13:59:04
● 2018-12-20 02:22:54
○ 2026-04-05 05:04:56
○ 2026-04-26 08:40:24

●MXmail.jvca.or.jp2015-08-22 → 2026-04-26 · 2 obs

● 2015-08-22 13:59:04
● 2026-04-26 08:40:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
jvca.or.jp	mns01.ucom.ne.jp, mns02.ucom.ne.jp	-

✅ Authoritative Response

Server:221.240.16.100

NS records: mns01.ucom.ne.jp, mns02.ucom.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1617ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`mns02.ucom.ne.jp, mns01.ucom.ne.jp`
MX	1	`mail.jvca.or.jp (pri: 10)`
TXT	2	`v=spf1 +mx ~all, google-site-verification=wYHC3TVwiKIiGHk`
SOA	1	`mns01.ucom.ne.jp domain_ml.fttx.co.jp`

Analysis

Hierarchy

jvca.or.jp is the parent of mail.jvca.or.jp.

Name Servers

jvca.or.jp's delegation uses two name servers, mns01.ucom.ne.jp and mns02.ucom.ne.jp.

jvca.or.jp shares the same name server setup as other domains, for example jbtv.co.jp, summitstore-mypage.com, ability.co.jp, bulky.co.jp and postlife.or.jp.

jvca.or.jp partially shares its name servers with other domains, for example kinki.coop and spic.co.jp.

Host names with a single IP:

mns01.ucom.ne.jp points to 221.240.16.100.

mns02.ucom.ne.jp points to 221.240.58.113.

Mail Servers

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

mail.jvca.or.jp points to a single IP: 221.112.41.51.

jvca.or.jp - robtex.com

jvca.or.jp

or.jp