`yssa.or.jp`

DNSSEC	⚠️ Not signed
A	35.75.198.69^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
		PTR	`ec2-35-75-198-69.ap-northeast-1.compute.amazonaws.com`
A	54.250.201.109^{🇯🇵 Amazon54.250.192.0/18 EC2 NRT prefix}
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`mail.yssa.or.jp` ⭐
		A	162.43.121.180^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
			PTR	`sv14379.xserver.jp`
TXT	`v=spf1 +a:sv14379.xserver.jp +a:yssa.or.jp +mx include:spf.sender.xserver.jp ...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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.yssa.or.jp

Same first word

yssa.com.br

yssa.info

yssa.be

yssa.ru

yssa.me

yssa.de

yssa.com

yssa.or.jp

yssa.org

yssa.in

Similar names

sysa.hu

assy.pro

syas.ru.com

sysa.com.mx

asys.com.au

sysa.com

asys.co.jp

yass.cz

ysas.org.au

assy.eu

asys.rs

yass.fr

says.net

says.com

says.co

sysa.us

says.me

assy.net

yass.us

asys.at

asys.ru

sasy.ru

sasy.sk

ssay.com

asys.in

assy.de

syas.cn

sasy.ca

says.fr

ayss.de

assy.jp.net

asys.online

sysa.eu

sysa.org

syas.nhs.uk

asys.co.za

assy.cn

says.be

asys.no

yass.ru

sasy.dk

asys.mx

yass.org

says.org

says.co.jp

says.de

asys.co.uk

yass.ie

sysa.io

says.es

says.wtf

asys.us

ysas.org

yass.eu

asys.or.at

syas.jp

sysa.de

says.biz

says.com.cn

asys.hu

sasy.nl

assy.info

asys.com.br

sysa.co.za

sysa.jp

yass.computer

asys.org

says.at

asys.digital

yass.ca

syas.net

yass.de

sasy.net

yass.com

says.dk

asys.de

sysa.ru

ayss.org

syas.com.cn

says.in

yass.space

syas.com.au

assy.jp

assy.tv

assy.at

assy.gr

asys.pro

assy.se

asys.edu.co

sasy.com.au

assy.com

syas.ru

DNS History

12 records (8 active, 4 former)

●NSns1.xserver.jp2026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

●NSns2.xserver.jp2026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

●NSns3.xserver.jp2026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

○NSns4.mcnet.ad.jp2017-03-11 → 2019-04-10 · 4 obs

● 2017-03-11 17:29:40
● 2019-04-10 04:34:00
○ 2026-07-13 14:35:38
○ 2026-08-12 11:02:50

●NSns4.xserver.jp2026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

○NSns5.mcnet.ad.jp2017-03-11 → 2019-04-10 · 4 obs

● 2017-03-11 17:29:40
● 2019-04-10 04:34:00
○ 2026-07-13 14:35:38
○ 2026-08-12 11:02:50

●NSns5.xserver.jp2026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

●MXmail.yssa.or.jp2017-03-11 → 2026-08-12 · 2 obs

● 2017-03-11 17:29:40
● 2026-08-12 11:02:50

○A143.125.252.2472019-04-10 → 2019-04-10 · 4 obs

○ 2017-03-11 17:29:40
● 2019-04-10 04:34:00
○ 2026-07-13 14:35:38
○ 2026-08-12 11:02:50

○A203.211.174.1712017-03-11 → 2017-03-11 · 3 obs

● 2017-03-11 17:29:40
○ 2019-04-10 04:34:00
○ 2026-08-12 11:02:50

●A35.75.198.692026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

●A54.250.201.1092026-07-13 → 2026-08-12 · 3 obs

○ 2019-04-10 04:34:00
● 2026-07-13 14:35:38
● 2026-08-12 11:02:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, b.dns.jp, a.dns.jp, f.dns.jp...	-
yssa.or.jp	ns1.xserver.jp, ns4.xserver.jp, ns3.xserver.jp, ns2.xserver.jp...	11 records

✅ Authoritative Response

Server:35.72.43.26

NS records: ns1.xserver.jp, ns4.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 923ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`35.75.198.69, 54.250.201.109`
NS	5	`ns5.xserver.jp, ns4.xserver.jp...`
MX	1	`mail.yssa.or.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv14379.xserver.jp +a:yssa.or.`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Hierarchy

mail.yssa.or.jp is delegated beneath yssa.or.jp.

IP Addresses

yssa.or.jp has two IP addresses: 35.75.198.69 and 54.250.201.109

hirakatashihoureien.jp, musclebar.jp, token-osaka.co.jp and two other host names share IP numbers with yssa.or.jp.

Name Servers

yssa.or.jp has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between yssa.or.jp and other domains — kukansha.com, aloha-hal.com, grand-journey.site and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that resolve to three IP addresses:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts with just one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

Mail for yssa.or.jp is handled by a single mail server, mail.yssa.or.jp.

mail.yssa.or.jp has exactly one IP number: 162.43.121.180.

yssa.or.jp - robtex.com

yssa.or.jp

or.jp

Overview

Eligible Registrants

DNS Infrastructure

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`yssa.or.jp`

`or.jp`