oist.jp - robtex.com
oist.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1773558003 | ||||||
rank #593 in the tld
📈 Tranco rank: #80,104
Subdomains
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSdns-x.sinet.ad.jp2015-09-03 → 2026-03-21 · 2 obs
● 2026-03-21 10:33:30
●NSextdnsc0.oist.jp2015-09-03 → 2026-03-21 · 2 obs
● 2026-03-21 10:33:30
○NSns.naist.jp2015-09-03 → 2020-12-26 · 4 obs
● 2020-12-26 08:26:52
○ 2026-02-26 07:43:34
○ 2026-03-21 10:33:30
○MXcluster1.us.messagelabs.com2016-12-26 → 2020-12-26 · 5 obs
● 2016-12-26 23:07:50
● 2020-12-26 08:26:52
○ 2026-02-26 07:43:34
○ 2026-03-21 10:33:30
○MXcluster1a.us.messagelabs.com2016-12-26 → 2020-12-26 · 5 obs
● 2016-12-26 23:07:50
● 2020-12-26 08:26:52
○ 2026-02-26 07:43:34
○ 2026-03-21 10:33:30
○MXcluster5.us.messagelabs.com2015-09-03 → 2016-03-04 · 4 obs
● 2016-03-04 20:31:44
○ 2016-05-27 21:48:50
○ 2026-03-21 10:33:30
○MXcluster5a.us.messagelabs.com2015-09-03 → 2016-03-04 · 4 obs
● 2016-03-04 20:31:44
○ 2016-05-27 21:48:50
○ 2026-03-21 10:33:30
●MXoist-jp.mail.protection.outlook.com2016-05-27 → 2026-03-21 · 7 obs
● 2016-05-27 21:48:50
● 2016-12-11 18:50:10
○ 2016-12-26 23:07:50
○ 2020-12-26 08:26:52
● 2026-02-26 07:43:34
● 2026-03-21 10:33:30
○A203.181.243.1592015-09-03 → 2017-07-05 · 4 obs
● 2017-07-05 04:04:02
○ 2020-12-26 08:26:52
○ 2026-03-21 10:33:30
●A23.185.0.22020-12-26 → 2026-03-21 · 3 obs
● 2020-12-26 08:26:52
● 2026-03-21 10:33:30
●A2620:12a:8000::22020-12-26 → 2026-03-21 · 3 obs
● 2020-12-26 08:26:52
● 2026-03-21 10:33:30
●A2620:12a:8001::22020-12-26 → 2026-03-21 · 3 obs
● 2020-12-26 08:26:52
● 2026-03-21 10:33:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, c.dns.jp, f.dns.jp, b.dns.jp... | - |
| oist.jp | dns-x.sinet.ad.jp, extdnsc0.oist.jp | 1 record |
✅ Authoritative Response
Server: 150.100.18.2
NS records: dns-x.sinet.ad.jp, extdnsc0.oist.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oist.jp (unsigned zone)
⏱️ Timing
Total: 2389ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.185.0.2 |
| AAAA | 2 | 2620:12a:8000::2, 2620:12a:8001::2 |
| NS | 2 | extdnsc0.oist.jp, dns-x.sinet.ad.jp |
| MX | 1 | oist-jp.mail.protection.outlook.com (pri |
| TXT | 8 | asv=2b5dcbf1a5843757a600e26928d8a45c, docusign=7207daa3-7492-4946-9a53-8890962... |
| SOA | 1 | extdnsc0.oist.jp root.extdnsc0.oist.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (extdnsc0.oist.jp)
Analysis
Hierarchy
oist.jp is a parent of connect.oist.jp, www.oist.jp, naistdns.oist.jp, extdnsc0.oist.jp and gw.oist.jp, plus a few other host names.
IP Addresses
oist.jp resolves to three IP numbers: 2620:12a:8000::2, 2620:12a:8001::2 and 23.185.0.2.
Other host names, for instance crosbyscholars.org, engl.uic.edu, smlr.rutgers.edu, wscc.nu.ca and aristotle.ucsb.edu share IP numbers with oist.jp.
Name Servers
oist.jp's delegation uses two name servers: extdnsc0.oist.jp and dns-x.sinet.ad.jp.
oist.jp at least partially shares name servers with other domains, including 188.26.202.in-addr.arpa, lisci.kitasato-u.ac.jp, 200.254.202.in-addr.arpa, 94.218.192.in-addr.arpa and 8.30.133.in-addr.arpa.
These name servers are commonly used with ns1.kuins.kyoto-u.ac.jp, ns2.kuins.kyoto-u.ac.jp, nsi01.cc.niigata-u.ac.jp, ns000.d-53.net, dns.kobe-u.ac.jp, melchior.kobe-u.ac.jp, ns2.kobe-u.ac.jp, ns.kobe-u.ac.jp, portkobe.kobe-u.ac.jp and sigw.sinet.ad.jp.
Host names with six IP numbers: The host name dns-x.sinet.ad.jp points to: 2001:2f8:0:10::53, 2001:2f8:0:11::53, 2001:2f8:0:12::53, 150.100.18.2, 150.100.18.6 and 150.100.18.10.
Host names with one IP number: The host name extdnsc0.oist.jp points to: 203.181.243.81.
Mail Servers
A single mail server handles oist.jp, oist-jp.mail.protection.outlook.com.
Host oist-jp.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.1, 52.101.157.10 and 52.101.157.11.