fos.or.jp - robtex.com

fos.or.jp

DNSSEC⚠️ Not signed
A183.90.240.30🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXaspmx.l.google.com
A2607:f8b0:4004:c21::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTgoogle-site-verification=tXBOvg3QX5aykb51_yMUaSqbVPbyRkjjWjUZxRLreHw
TXTv=spf1 ip4:183.90.240.30 include:xsrv.jp include:spf.haimaihailmail.jp includ...
TXTgoogle-site-verification=rrSSVpcA8nKMy3qv9c97UHkmg6v2hIWdB8V4StsQG-g
SOAns1.xserver.jproot@xserver.jp serial=0

or.jp

DNSSEC⚠️ Not signed
TXTor.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

Same first word

Similar names

DNS History

12 records (11 active, 1 former)

20192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comfos.or.jpA183.90.240.30
NSns1.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06
NSns2.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06
NSns3.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06
NSns4.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06
NSns5.xserver.jp2018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06
MXalt1.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
○ 2018-05-16 15:33:50
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
MXalt2.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
○ 2018-05-16 15:33:50
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
MXalt3.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
○ 2018-05-16 15:33:50
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
MXalt4.aspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
○ 2018-05-16 15:33:50
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
MXaspmx.l.google.com2026-02-26 → 2026-07-03 · 3 obs
○ 2018-05-16 15:33:50
● 2026-02-26 10:50:06
● 2026-07-03 14:37:06
MXfos.or.jp2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 15:33:50
○ 2026-02-26 10:50:06
○ 2026-07-03 14:37:06
A183.90.240.302018-05-16 → 2026-07-03 · 2 obs
● 2018-05-16 15:33:50
● 2026-07-03 14:37:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
fos.or.jpns1.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

TypeCountSample Data
A1183.90.240.30
NS5ns3.xserver.jp, ns5.xserver.jp...
MX5ASPMX.L.GOOGLE.COM (pri: 1), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)...
TXT3google-site-verification=rrSSVpcA8nKMy3q, v=spf1 ip4:183.90.240.30 include:xsrv.jp...
SOA1ns1.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.