fba.or.jp - robtex.com
fba.or.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.248.44🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc. | ||||||
| NS | ns1.sixcore.ne.jp ⭐ | ||||||
| A | 202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.sixcore.ne.jp | ||||||
| NS | ns2.sixcore.ne.jp | ||||||
| A | 202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns2.sixcore.ne.jp | ||||||
| NS | ns3.sixcore.ne.jp | ||||||
| A | 202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.sixcore.ne.jp | ||||||
| MX | fba.or.jp ⭐ | ||||||
| A | 183.90.248.44🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc. | ||||||
| TXT | v=spf1 +a:sv301.sixcore.ne.jp +a:fba.or.jp +mx include:spf.sender.xserver.jp ... | ||||||
| SOA | ns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=0 | ||||||
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.
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.sixcore.ne.jp2019-12-13 → 2026-07-04 · 2 obs
● 2026-07-04 07:15:38
●NSns2.sixcore.ne.jp2019-12-13 → 2026-07-04 · 2 obs
● 2026-07-04 07:15:38
●NSns3.sixcore.ne.jp2019-12-13 → 2026-07-04 · 2 obs
● 2026-07-04 07:15:38
●MXfba.or.jp2019-12-13 → 2026-07-04 · 2 obs
● 2026-07-04 07:15:38
○A183.90.248.22019-12-13 → 2019-12-13 · 3 obs
○ 2026-07-04 07:15:32
○ 2026-07-04 07:15:38
●A183.90.248.442026-07-04 → 2026-07-04 · 3 obs
● 2026-07-04 07:15:32
● 2026-07-04 07:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, a.dns.jp, d.dns.jp, b.dns.jp... | - |
| fba.or.jp | ns3.sixcore.ne.jp, ns2.sixcore.ne.jp, ns1.sixcore.ne.jp | 3 records |
✅ Authoritative Response
Server:202.226.37.248
NS records: ns3.sixcore.ne.jp, ns2.sixcore.ne.jp, ns1.sixcore.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fba.or.jp (unsigned zone)
⏱️ Timing
Total: 698ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.248.44 |
| NS | 3 | ns1.sixcore.ne.jp, ns3.sixcore.ne.jp... |
| MX | 1 | fba.or.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv301.sixcore.ne.jp +a:fba.or. |
| SOA | 1 | ns1.sixcore.ne.jp root.sv0.sixcore.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.sixcore.ne.jp, ns2.sixcore.ne.jp, ns1.sixcore.ne.jp)
Analysis
IP Addresses
fba.or.jp points to a single IP number: 183.90.248.44.
Additional host names — www.joseitiryouka.com, gekkoen.co.jp, designam.co.jp and two others — share IP numbers with fba.or.jp.
Name Servers
fba.or.jp is served by three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.
There is at least partial name server overlap between fba.or.jp and other domains — sliderule.tokyo, udec-c.com, roof-balcony.com and two more among them.
ns1.sixcore.ne.jp has IP address 202.226.36.232, ns2.sixcore.ne.jp has IP address 202.226.39.241 and ns3.sixcore.ne.jp has IP address 202.226.37.248 — one address each.
Mail Servers
fba.or.jp has a single mail server: fba.or.jp itself.
fba.or.jp resolves to 183.90.248.44 and no other IP number.