fos.or.jp - robtex.com
fos.or.jp
or.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | or.jp. | ||||||
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
fos.or.jp |
Same first word
Similar names
DNS History
12 records (11 active, 1 former)
●NSns1.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
●NSns2.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
●NSns3.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
●NSns4.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
●NSns5.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
●MXalt1.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
●MXalt2.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
●MXalt3.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
●MXalt4.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
●MXaspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
○MXfos.or.jp2018-05-16 → 2018-05-16 · 3 obs
○ 2026-02-26 10:50:06
○ 2026-07-03 14:37:06
●A183.90.240.302018-05-16 → 2026-07-03 · 2 obs
● 2026-07-03 14:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| fos.or.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.164
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fos.or.jp (unsigned zone)
⏱️ Timing
Total: 1002ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.240.30 |
| NS | 5 | ns3.xserver.jp, ns5.xserver.jp... |
| MX | 5 | ASPMX.L.GOOGLE.COM (pri: 1), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)... |
| TXT | 3 | google-site-verification=rrSSVpcA8nKMy3q, v=spf1 ip4:183.90.240.30 include:xsrv.jp... |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
IP Addresses
fos.or.jp points to a single IP number: 183.90.240.30.
Additional host names — ibushilab.com, y-deration.com, kuro-sawa.com and two others — share IP numbers with fos.or.jp.
Name Servers
Delegation for fos.or.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
fos.or.jp has at least partial name server overlap with other domains, such as a2-bali.com, ledsuns.com, nagonde.net and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Host names with three IP numbers:
ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names pointing to a single IP address:
ns2.xserver.jp resolves to 35.72.43.26.
ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
Mail for fos.or.jp is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
fos.or.jp shares mail servers — at least in part — with other domains, including futsuriai.com, fridaysocks.com, cabelo.med.br and two others.
These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.
Host names with two IP numbers:
aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1b.