oit.ac.jp - dns.ninja

`oit.ac.jp`

DNSSEC	⚠️ Not signed
A	150.89.0.13^{🇯🇵 SINET-AS150.89.0.0/17 Osaka Institute of Technology}
NS	`ns-o.oit.ac.jp` ⭐
		A	150.89.0.8^{🇯🇵 SINET-AS150.89.0.0/17 Osaka Institute of Technology}
			PTR	`ns-o.oit.ac.jp`
NS	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:10::53^{🇯🇵 SINET-AS2001:2f8::/32 SINET CIDR Block}
			PTR	`dns-x1.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:11::53^{🇯🇵 SINET-AS2001:2f8::/32 SINET CIDR Block}
			PTR	`dns-x2.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	2001:2f8:0:12::53^{🇯🇵 SINET-AS2001:2f8::/32 SINET CIDR Block}
			PTR	`dns-x3.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.2^{🇯🇵 SINET-AS150.100.0.0/16 SINET CIDR Block}
			PTR	`dns-x1.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.6^{🇯🇵 SINET-AS150.100.0.0/16 SINET CIDR Block}
			PTR	`dns-x2.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
		A	150.100.18.10^{🇯🇵 SINET-AS150.100.0.0/16 SINET CIDR Block}
			PTR	`dns-x3.sinet.ad.jp`
			PTR	`dns-x.sinet.ad.jp`
NS	`ns-h.oit.ac.jp`
		A	150.89.198.8^{🇯🇵 SINET-AS150.89.128.0/17 PACNET (proxy-registered route object)}
			PTR	`0xc608.oit.ac.jp`
			PTR	`ns-h.oit.ac.jp`
MX	`oit-ac-jp.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc1a::1^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:cc24::^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os0p286cu01300.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.124.6^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tyvp286cu00206.inbound.protection.outlook.com`
TXT	`ezCuUAHz3SXJkNGYHsV3Ia8bUWhvV3aVzzRvugxO7JuDaqkTsY9jH3+dOnnVcf8OOlzP7q6DYBeh9...`
TXT	`v=spf1 +ip4:150.89.0.0/16 +ip4:203.180.161.100 include:spf.protection.outlook...`
TXT	`MS=ms77385173`
TXT	`google-site-verification=qGr321p621dLXvZmaLTRLZsA7Ftl2afBILCGgJUOLfs`
TXT	`79A85698136DDD66B0857005F6625352`
TXT	`adobe-idp-site-verification=f5558053-ecfd-401b-8c60-d38f253bc48f`
SOA	`ns-o.oit.ac.jp`yukiji\@yamauchi.oit.ac.jp 2026-06-02 #1

`ac.jp`

	DNSSEC	⚠️ Not signed
	TXT	`ac.jp.`

rank #137507 globally
rank #2263 in the tld
📈 Tranco rank: #102,442
WOT: SAFE (80/100)

Subdomains

0xf905.oit.ac.jp

0x1d02.oit.ac.jp

env.oit.ac.jp

med.oit.ac.jp

0x1502.oit.ac.jp

0xc608.oit.ac.jp

center.oit.ac.jp

0x8006.oit.ac.jp

english-across.oit.ac.jp

is.oit.ac.jp

0x0d02.oit.ac.jp

0x236d.oit.ac.jp

0x0b69.oit.ac.jp

iloop.oit.ac.jp

0x0800.oit.ac.jp

0xe91e.oit.ac.jp

0xefc2.oit.ac.jp

ns-o.oit.ac.jp

0x907a.oit.ac.jp

0x2702.oit.ac.jp

st.oit.ac.jp

oitdrive.oit.ac.jp

0xe90a.oit.ac.jp

0x0c02.oit.ac.jp

0x9567.oit.ac.jp

0x8008.oit.ac.jp

ns-h.oit.ac.jp

0x2102.oit.ac.jp

unipa.oit.ac.jp

0x1a02.oit.ac.jp

mail.oit.ac.jp

0x800c.oit.ac.jp

0xae81.oit.ac.jp

0x0802.oit.ac.jp

0x0fbf.oit.ac.jp

0x0a37.oit.ac.jp

spam.oit.ac.jp

0xc07e.oit.ac.jp

Same first word

oit.fi

oit.edu.cn

oit.edu

oit.co.kr

oit.no

oit.ch

oit.de

oit.sk

oit.co

oit.su

oit.lt

oit.pl

oit.com.mx

oit.services

oit.co.za

oit.net

oit.com.pl

oit.co.uk

oit.kr

oit.dk

oit.nl

oit.info

oit.one

oit.mobi

oit.vn

oit.cloud

oit.in

oit.net.cn

oit.cn

oit.org.mx

oit.net.au

oit.org.pe

oit.digital

oit.com.ua

oit.lk

oit.at

oit.lv

oit.org.tn

oit.org

oit.ac.jp

oit.be

oit.ru

oit.com

oit.world

oit.com.cn

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oti.ro

iot.insure

ito.kz

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iot.recipes

iot.london

oti.co.id

tio.pl

tio.com.mx

iot.eu

oti.at

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toi.fr

oti.com.tr

iot.network

tio.com.au

ito.kiev.ua

tio.org.cn

iot.gov.tw

iot.life

iot.sap

ito.com.vc

iot.today

toi.net

oti.com.ua

toi.hu

toi.com.mx

tio.org

iot.edu

oti.org.pl

tio.bio

iot.co.in

tio.by

toi.pl

ito.lu

iot.com

oti.es

ito.cn

iot.nc

toi.cl

oti.vn

toi.in

oti.se

ito.info

iot.deals

ito.lt

toi.com.vn

tio.cz

oti.de

tio.ch

ito.im

tio.asia

toi.no

ito.co.rs

ito.fr

tio.today

oti.cloud

ito.co.jp

ito.ba

ito.dz

tio.de

tio.com.pl

tio.care

iot.ro

tio.go.tz

oti.com.cy

ito.com.ua

tio.us

tio.ist

ito.it

iot.neustar

toi.bo

ito.co.nz

tio.pw

iot.com.cy

oti.in

tio.capital

tio.info

tio.be

ito.at

toi.io

tio.credit

iot.support

oti.co.uk

tio.works

toi.cn

tio.ai

DNS History

9 records (5 active, 4 former)

●NSdns-x.sinet.ad.jp2015-07-01 → 2026-06-04 · 3 obs

○ 2007-12-16 03:32:10
● 2015-07-01 17:31:00
● 2026-06-04 03:01:26

●NSns-h.oit.ac.jp2007-12-16 → 2026-06-04 · 2 obs

● 2007-12-16 03:32:10
● 2026-06-04 03:01:26

●NSns-o.oit.ac.jp2007-12-16 → 2026-06-04 · 2 obs

● 2007-12-16 03:32:10
● 2026-06-04 03:01:26

○NSns2.eonet.ne.jp2007-12-16 → 2007-12-16 · 3 obs

● 2007-12-16 03:32:10
○ 2015-07-01 17:31:00
○ 2026-06-04 03:01:26

○MXmailrelay-g.center.oit.ac.jp2015-07-01 → 2018-04-26 · 5 obs

○ 2007-12-16 03:32:10
● 2015-07-01 17:31:00
● 2018-04-26 03:13:04
○ 2026-02-16 07:25:48
○ 2026-06-04 03:01:26

●MXoit-ac-jp.mail.protection.outlook.com2026-02-16 → 2026-06-04 · 3 obs

○ 2018-04-26 03:13:04
● 2026-02-16 07:25:48
● 2026-06-04 03:01:26

○MXspamchk.center-hk.oit.ac.jp2007-12-16 → 2007-12-16 · 3 obs

● 2007-12-16 03:32:10
○ 2015-07-01 17:31:00
○ 2026-06-04 03:01:26

○MXspamchk.center.oit.ac.jp2007-12-16 → 2007-12-16 · 3 obs

● 2007-12-16 03:32:10
○ 2015-07-01 17:31:00
○ 2026-06-04 03:01:26

●A150.89.0.132026-02-16 → 2026-06-04 · 2 obs

● 2026-02-16 07:25:48
● 2026-06-04 03:01:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
oit.ac.jp	ns-h.oit.ac.jp, ns-o.oit.ac.jp, dns-x.sinet.ad.jp	2 records

✅ Authoritative Response

Server:150.89.0.8

NS records: ns-h.oit.ac.jp, ns-o.oit.ac.jp, dns-x.sinet.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oit.ac.jp (unsigned zone)

⏱️ Timing

Total: 2398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.89.0.13`
NS	3	`dns-x.sinet.ad.jp, ns-h.oit.ac.jp...`
MX	1	`oit-ac-jp.mail.protection.outlook.com (p`
TXT	6	`google-site-verification=qGr321p621dLXvZ, MS=ms77385173...`
SOA	1	`ns-o.oit.ac.jp yukiji\.yamauchi.oit.ac.j`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns-h.oit.ac.jp, ns-o.oit.ac.jp)

Analysis

Hierarchy

oit.ac.jp is the parent domain of 0xf905.oit.ac.jp, 0x1d02.oit.ac.jp, env.oit.ac.jp, med.oit.ac.jp, 0x1502.oit.ac.jp and a few other host names.

IP Addresses

oit.ac.jp has exactly one IP address — 150.89.0.13.

Name Servers

The authoritative name servers for oit.ac.jp are ns-h.oit.ac.jp, ns-o.oit.ac.jp and dns-x.sinet.ad.jp — three in total.

oit.ac.jp shares at least some of its name servers with other domains, including hus.ac.jp, 106.153.192.in-addr.arpa, 29.30.133.in-addr.arpa and two others.

These name servers tend to appear in conjunction with ns1.kuins.kyoto-u.ac.jp, ns2.kuins.kyoto-u.ac.jp, gudns.imc.gifu-u.ac.jp and seven others.

Hosts with 6 IP addresses each:

dns-x.sinet.ad.jp points to 150.100.18.2, 150.100.18.6, 150.100.18.10 and three other IP addresses.

Host names with one IP number:

ns-h.oit.ac.jp has the IP address 150.89.198.8.

ns-o.oit.ac.jp has the IP address 150.89.0.8.

Mail Servers

oit.ac.jp uses one mail server — oit-ac-jp.mail.protection.outlook.com.

oit.ac.jp has mail servers in common with env.oit.ac.jp, med.oit.ac.jp, center.oit.ac.jp and is.oit.ac.jp, among others.

The hostname oit-ac-jp.mail.protection.outlook.com has 8 IP addresses: 52.101.124.0, 52.101.124.1, 52.101.124.5 and five others.