tabigaku.com - robtex.com

tabigaku.com

DNSSEC⚠️ Not signed
A183.181.90.49🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.
PTRsv8368.xserver.jp
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
MXtabigaku.com ⭐
A183.181.90.49🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.
PTRsv8368.xserver.jp
TXTv=spf1 +a:sv8368.xserver.jp +a:tabigaku.com +mx include:spf.sender.xserver.jp...
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774726297

Subdomains

root.tabigaku.com
dns.tabigaku.com

Same first word

tabigaku.or.jp

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpdns.tabigaku.comns1.tabigaku.comns2.tabigaku.comMXtabigaku.commail.tabigaku.comsmtp.tabigaku.comA183.181.90.49160.16.213.64221.116.252.168
○NSdns.tabigaku.com2015-07-03 → 2016-02-07 · 4 obs
● 2015-07-03 22:24:52
● 2016-02-07 10:08:48
○ 2016-05-04 21:50:14
○ 2026-03-28 19:45:56
○NSns1.tabigaku.com2016-05-04 → 2019-04-06 · 5 obs
○ 2016-02-07 10:08:48
● 2016-05-04 21:50:14
● 2019-04-06 22:10:46
○ 2026-03-28 19:45:54
○ 2026-03-28 19:45:56
●NSns1.xserver.jp2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
○NSns2.tabigaku.com2016-05-04 → 2019-04-06 · 5 obs
○ 2016-02-07 10:08:48
● 2016-05-04 21:50:14
● 2019-04-06 22:10:46
○ 2026-03-28 19:45:54
○ 2026-03-28 19:45:56
●NSns2.xserver.jp2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
●NSns3.xserver.jp2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
●NSns4.xserver.jp2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
●NSns5.xserver.jp2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
○MXmail.tabigaku.com2015-07-03 → 2016-02-07 · 4 obs
● 2015-07-03 22:24:52
● 2016-02-07 10:08:48
○ 2016-05-04 21:50:14
○ 2026-03-28 19:45:56
○MXsmtp.tabigaku.com2016-05-04 → 2019-04-06 · 5 obs
○ 2016-02-07 10:08:48
● 2016-05-04 21:50:14
● 2019-04-06 22:10:46
○ 2026-03-28 19:45:54
○ 2026-03-28 19:45:56
●MXtabigaku.com2026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
○A160.16.213.642016-05-04 → 2019-04-06 · 5 obs
○ 2016-02-07 10:08:48
● 2016-05-04 21:50:14
● 2019-04-06 22:10:46
○ 2026-03-28 19:45:54
○ 2026-03-28 19:45:56
●A183.181.90.492026-03-28 → 2026-03-28 · 3 obs
○ 2019-04-06 22:10:46
● 2026-03-28 19:45:54
● 2026-03-28 19:45:56
○A221.116.252.1682015-07-03 → 2016-02-07 · 4 obs
● 2015-07-03 22:24:52
● 2016-02-07 10:08:48
○ 2016-05-04 21:50:14
○ 2026-03-28 19:45:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tabigaku.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.247

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 tabigaku.com (unsigned zone)

⏱️ Timing

Total: 1122ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.90.49
NS5ns4.xserver.jp, ns2.xserver.jp...
MX1tabigaku.com (pri: 0)
TXT1v=spf1 +a:sv8368.xserver.jp +a:tabigaku.
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

tabigaku.com is the parent of root.tabigaku.com and dns.tabigaku.com.

IP Addresses

tabigaku.com resolves to a single IP: 183.181.90.49.

Other host names, for instance dns.tabigaku.com, narita-pop-run.jp, www.salonc.net, risuo7.com and sonotas.com share IP numbers with tabigaku.com.

Name Servers

tabigaku.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

tabigaku.com shares some name servers with other domains, for example lcdjp.com, banraisha.co.jp, sato-rika.com, ideaflood.jp and simpleplussmile.com.

Host names with three IP numbers:

- ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246

- ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247

- ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247

Host names with one IP number:

- ns2.xserver.jp points to: 35.72.43.26

- ns3.xserver.jp points to: 202.226.36.247

Mail Servers

One mail server handles tabigaku.com.

Host name tabigaku.com points to IP 183.181.90.49.