`houraiden.or.jp`

DNSSEC	⚠️ Not signed
A	160.251.152.111^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`srv01.site-station.com`
NS	`ns1.houraiden.or.jp` ⭐ ⚠️ Not in parent delegation
		A	160.251.152.111^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`srv01.site-station.com`
NS	`ns.site-station.com` ⚠️ Not in zone NS records
		A	160.251.152.130^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`boot-server.net`
NS	`ns2.houraiden.or.jp` ⚠️ Not in parent delegation
		A	160.251.152.111^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`srv01.site-station.com`
NS	`srv01.site-station.com` ⚠️ Not in zone NS records
		A	160.251.152.111^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`srv01.site-station.com`
MX	`mail.houraiden.or.jp` ⭐
		A	160.251.152.111^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`srv01.site-station.com`
TXT	`v=spf1 +a +mx +a:srv01.site-station.com -all`
SOA	`ns1.houraiden.or.jp`notice@sunfirst.co.jp serial=1754656688

`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.

Previously MX for

houraiden.or.jp

Subdomains

ns2.houraiden.or.jp

mail.houraiden.or.jp

ns1.houraiden.or.jp

Same first word

houraiden.or.jp

Similar names

erhuodian.com

DNS History

14 records (6 active, 8 former)

○NS01.dnsv.jp2015-08-07 → 2017-04-03 · 4 obs

● 2015-08-07 13:24:18
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

○NS02.dnsv.jp2015-08-07 → 2017-04-03 · 4 obs

● 2015-08-07 13:24:18
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

○NS03.dnsv.jp2015-08-07 → 2017-04-03 · 4 obs

● 2015-08-07 13:24:18
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

○NS04.dnsv.jp2015-08-07 → 2017-04-03 · 4 obs

● 2015-08-07 13:24:18
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

●NSns.site-station.com2026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

●NSns1.houraiden.or.jp2026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

●NSns2.houraiden.or.jp2026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

●NSsrv01.site-station.com2026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

○MXhouraiden.or.jp2015-08-07 → 2017-04-03 · 4 obs

● 2015-08-07 13:24:18
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

○MXma.houraiden.or.jp2015-12-04 → 2017-04-03 · 5 obs

○ 2015-08-07 13:24:18
● 2015-12-04 16:58:38
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

●MXmail.houraiden.or.jp2026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

○A153.122.142.1142015-12-04 → 2017-04-03 · 5 obs

○ 2015-08-07 13:24:18
● 2015-12-04 16:58:38
● 2017-04-03 03:03:32
○ 2026-03-21 12:48:58
○ 2026-05-15 07:22:06

●A160.251.152.1112026-03-21 → 2026-05-15 · 3 obs

○ 2017-04-03 03:03:32
● 2026-03-21 12:48:58
● 2026-05-15 07:22:06

○A27.50.99.1122015-08-07 → 2015-08-07 · 3 obs

● 2015-08-07 13:24:18
○ 2015-12-04 16:58:38
○ 2026-05-15 07:22:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
houraiden.or.jp	ns.site-station.com, srv01.site-station.com	-

✅ Authoritative Response

Server:160.251.152.130

NS records: ns.site-station.com, srv01.site-station.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3165ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.152.111`
NS	2	`ns1.houraiden.or.jp, ns2.houraiden.or.jp`
MX	1	`mail.houraiden.or.jp (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:srv01.site-station.com`
SOA	1	`ns1.houraiden.or.jp notice.sunfirst.co.j`

Analysis

Hierarchy

houraiden.or.jp is the parent of ns2.houraiden.or.jp, mail.houraiden.or.jp and ns1.houraiden.or.jp.

IP Addresses

houraiden.or.jp resolves to one IP number: 160.251.152.111.

other host names including ns1.do9nine.com, ns2.emas.jp, mail.koike-teru.com, ns2.takagumi.co.jp and ns1.hokuyowood.com share IP numbers with houraiden.or.jp.

Name Servers

houraiden.or.jp is delegated to four name servers: ns.site-station.com, srv01.site-station.com, ns1.houraiden.or.jp and ns2.houraiden.or.jp.

houraiden.or.jp at least partially shares name servers with other domains, for instance worldcompanysapporo.co.jp, k3d-sdkappa.com, twins-p.co.jp, marufuku.net and tf5151.com.

These name servers are commonly used with the following name servers: srv06.site-station.com, srv02.site-station.com, srv05.site-station.com, srv04.site-station.com, srv09.site-station.com, srv11.site-station.com, ns1.twins-p.co.jp, ns2.twins-p.co.jp, ns1.tf5151.com and ns2.tf5151.com.

Host names with a single IP number:

ns.site-station.com points to: 160.251.152.130.

srv01.site-station.com points to: 160.251.152.111.

ns1.houraiden.or.jp points to: 160.251.152.111.

ns2.houraiden.or.jp points to: 160.251.152.111.

Host names pointing to 160.251.152.111: srv01.site-station.com, ns1.houraiden.or.jp and ns2.houraiden.or.jp.

Mail Servers

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

mail.houraiden.or.jp resolves to IP 160.251.152.111.

houraiden.or.jp - robtex.com

houraiden.or.jp

or.jp

Overview

Eligible Registrants

DNS Infrastructure

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`houraiden.or.jp`

`or.jp`