osaka-u.org - robtex.com

osaka-u.org

DNSSEC⚠️ Not signed
A117.102.214.112🇯🇵 InfoSphere117.102.192.0/19 Interlink co., ltd. CIDR009
PTRbimyo.jp
NSosaka-u.org.osaka-u.org ⭐
NSns.nerimadors.or.jp
A117.102.214.112🇯🇵 InfoSphere117.102.192.0/19 Interlink co., ltd. CIDR009
PTRbimyo.jp
NSns1.nerimadors.or.jp
A220.157.216.57🇯🇵 ASAHI-NET220.157.128.0/17
PTRs216057.ppp.asahi-net.or.jp
SOAosaka-u.org.osaka-u.orgroot@osaka-u.org 2023-01-17 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1777171171

Same first word

osaka-u.com
osaka-u.ac.jp
osaka-u.info
osaka-u.org

Similar names

koa-usa.com
asao-ku.net

DNS History

19 records (4 active, 15 former)

20162017201820192020202120222023202420252026NSns.nerimadors.or.jpns1.nerimadors.or.jposaka-u.org.osaka-u.orgdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA117.102.214.112216.239.32.21216.239.34.21216.239.36.21216.239.38.21220.157.216.57
○NSdns1.name-services.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○NSdns2.name-services.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○NSdns3.name-services.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○NSdns4.name-services.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○NSdns5.name-services.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
●NSns.nerimadors.or.jp2021-08-31 → 2026-04-26 · 3 obs
○ 2015-10-25 16:14:10
● 2021-08-31 08:54:56
● 2026-04-26 03:02:38
●NSns1.nerimadors.or.jp2021-08-31 → 2026-04-26 · 3 obs
○ 2015-10-25 16:14:10
● 2021-08-31 08:54:56
● 2026-04-26 03:02:38
●NSosaka-u.org.osaka-u.org2021-08-31 → 2026-04-26 · 3 obs
○ 2015-10-25 16:14:10
● 2021-08-31 08:54:56
● 2026-04-26 03:02:38
○MXalt1.aspmx.l.google.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○MXalt2.aspmx.l.google.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○MXaspmx.l.google.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○MXaspmx2.googlemail.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○MXaspmx3.googlemail.com2015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
●A117.102.214.1122026-02-15 → 2026-04-26 · 3 obs
○ 2021-08-31 08:54:56
● 2026-02-15 12:07:10
● 2026-04-26 03:02:38
○A216.239.32.212015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○A216.239.34.212015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○A216.239.36.212015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○A216.239.38.212015-04-30 → 2015-04-30 · 3 obs
● 2015-04-30 18:01:04
○ 2015-10-25 16:14:10
○ 2026-04-26 03:02:38
○A220.157.216.572021-08-31 → 2021-08-31 · 4 obs
○ 2015-10-25 16:14:10
● 2021-08-31 08:54:56
○ 2026-02-15 12:07:10
○ 2026-04-26 03:02:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
osaka-u.orgns1.nerimadors.or.jp, ns.nerimadors.or.jp-

✅ Authoritative Response

Server:117.102.214.112

NS records: ns1.nerimadors.or.jp, ns.nerimadors.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osaka-u.org (unsigned zone)

⏱️ Timing

Total: 1088ms | Queries: -

📄 Records

TypeCountSample Data
A1117.102.214.112
NS2ns1.nerimadors.or.jp, ns.nerimadors.or.jp
SOA1osaka-u.org.osaka-u.org root.osaka-u.org

Analysis

IP Addresses

osaka-u.org points to a single IP: 117.102.214.112.

Other host names, for instance nerimadors.or.jp, gakkan.net, www.nerimadors.or.jp, peken.net and open-news.com share IP numbers with osaka-u.org.

Name Servers

osaka-u.org is delegated to three name servers: ns1.nerimadors.or.jp, ns.nerimadors.or.jp and osaka-u.org.osaka-u.org.

osaka-u.org at least partially shares its name servers with other domains, for instance nerimadors.or.jp, gakkan.net, sefree.net, peken.net and open-news.com.

These name servers are commonly used with mail.feelkind.com, mail.sefree.net, hoshishinichi.com, studionue.com, tecnica.jp, fuko.jp and bimyo.jp.

Host names with a single IP:

ns1.nerimadors.or.jp resolves to 220.157.216.57.

ns.nerimadors.or.jp resolves to 117.102.214.112.