task.ac.jp - dns.ninja

`task.ac.jp`

DNSSEC	⚠️ Not signed
A	202.210.8.65^{🇯🇵 XSERVER-AS202.210.8.0/24 XSERVER Inc.}
		PTR	`sv10544.xserver.jp`
NS	`ns1.kyobi.ac.jp` ⭐
		A	210.137.74.209^{🇯🇵 SINET-AS210.137.0.0/16 SINET CIDR Block}
NS	`ns2.kyobi.ac.jp`
		A	210.137.74.210^{🇯🇵 SINET-AS210.137.0.0/16 SINET CIDR Block}
MX	`venus.kyobi.ac.jp` ⭐
		A	210.137.74.212^{🇯🇵 SINET-AS210.137.0.0/16 SINET CIDR Block}
MX	`mercury.kyobi.ac.jp`⁽²⁰⁾
		A	210.137.74.211^{🇯🇵 SINET-AS210.137.0.0/16 SINET CIDR Block}
TXT	`v=spf1 ip4:210.137.74.208/28 ~all`
SOA	`ns1.kyobi.ac.jp`root@kyobi.ac.jp serial=202302271

`ac.jp`

	DNSSEC	⚠️ Not signed
	TXT	`ac.jp.`

WOT: SAFE (61/100)
WOT: SAFE (80/100)

Subdomains

www.task.ac.jp

Same first word

task.network

task.training

task.be

task.hr

task.cn

task.com.br

task.com

task.xyz

task.bg

task.ac.jp

task.group

task.solutions

task.com.ua

task.es

task.me

task.dog

task.tv

task.kz

task.wtf

task.yt

task.com.tw

task.at

task.co

task.care

task.fish

task.co.jp

task.us

task.se

task.zone

task.pl

task.systems

task.in

task.new

task.reviews

task.net.br

task.guide

task.cash

task.tw

task.nl

task.gr

task.ch

task.com.tr

task.am

task.name

task.it

task.de

task.cheap

task.com.mx

task.fr

task.ua

task.ca

task.ee

task.world

task.ac.cn

task.email

task.works

task.dk

task.social

task.by

task.com.au

task.eu

task.fi

task.vc

task.agency

task.today

task.gda.pl

task.markets

task.fm

task.lt

task.to

task.sk

task.gr.jp

task.io

task.com.uy

task.lv

task.bar

task.blue

task.equipment

task.jp

task.edu.vn

task.vn

task.is

task.ms

task.coach

task.cl

task.cc

task.management

task.biz

task.rocks

task.org.za

Similar names

atsk.ru

ktas.ru

kast.it

kats.go.kr

tsak.co.ke

stak.gr

tkas.at

satk.net

askt.dk

kats.net.au

ktsa.org

akst.jp

ksta.xyz

kast.biz

skat.lv

stak.or.ke

atsk.kr

stka.cn

stak.trade

taks.net

ksta.biz

skat.nl

stak.cn

ktas.com.au

skat.systems

ksta.in

kats.ch

skat.jp

kats.fi

kast.cn

skat.bz

skat.pl

akst.co.th

ksat.no

ksat.or.kr

ktsa.us

ksat.me

ktsa.ca

kast.de

tksa.ch

ktas.net

kast.or.kr

taks.fo

kast.org

ktas.nl

ktas.dk

ksta.ch

ksat.co

taks.eu

stka.kasserver.com

ktas.de

kats.org

kast.co

astk.ru

skat.by

ktas.at

skat.de

stak.info

askt.cn

tsak.jp

skat.be

ksta.ru

kast.cc

kast.run

stak.org.uk

ksta.kz

ksat.fi

kast.co.il

tsak.net

taks.com

kats.com.co

ktas.com

stka.es

akst.net

atsk.hu

skat.kz

stak.network

kats.at

astk.dk

taks.be

kast.dk

skat.name

DNS History

9 records (5 active, 4 former)

○NS2nd.dnsv.jp2015-05-24 → 2017-03-27 · 4 obs

● 2015-05-24 14:01:58
● 2017-03-27 01:03:20
○ 2026-03-02 22:17:02
○ 2026-08-10 12:49:26

○NSns.kasd.ac.jp2015-05-24 → 2017-03-27 · 4 obs

● 2015-05-24 14:01:58
● 2017-03-27 01:03:20
○ 2026-03-02 22:17:02
○ 2026-08-10 12:49:26

●NSns1.kyobi.ac.jp2026-03-02 → 2026-08-10 · 3 obs

○ 2017-03-27 01:03:20
● 2026-03-02 22:17:02
● 2026-08-10 12:49:26

●NSns2.kyobi.ac.jp2026-03-02 → 2026-08-10 · 3 obs

○ 2017-03-27 01:03:20
● 2026-03-02 22:17:02
● 2026-08-10 12:49:26

○MXmercury.kasd.ac.jp2015-05-24 → 2017-03-27 · 4 obs

● 2015-05-24 14:01:58
● 2017-03-27 01:03:20
○ 2026-03-02 22:17:02
○ 2026-08-10 12:49:26

●MXmercury.kyobi.ac.jp2026-03-02 → 2026-08-10 · 3 obs

○ 2017-03-27 01:03:20
● 2026-03-02 22:17:02
● 2026-08-10 12:49:26

○MXvenus.kasd.ac.jp2015-05-24 → 2017-03-27 · 4 obs

● 2015-05-24 14:01:58
● 2017-03-27 01:03:20
○ 2026-03-02 22:17:02
○ 2026-08-10 12:49:26

●MXvenus.kyobi.ac.jp2026-03-02 → 2026-08-10 · 3 obs

○ 2017-03-27 01:03:20
● 2026-03-02 22:17:02
● 2026-08-10 12:49:26

●A202.210.8.652026-03-02 → 2026-08-10 · 2 obs

● 2026-03-02 22:17:02
● 2026-08-10 12:49:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
task.ac.jp	ns1.kyobi.ac.jp, ns2.kyobi.ac.jp	2 records

✅ Authoritative Response

Server:210.137.74.210

NS records: ns1.kyobi.ac.jp, ns2.kyobi.ac.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 847ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.210.8.65`
NS	2	`ns1.kyobi.ac.jp, ns2.kyobi.ac.jp`
MX	2	`venus.kyobi.ac.jp (pri: 10), mercury.kyobi.ac.jp (pri: 20)`
TXT	1	`v=spf1 ip4:210.137.74.208/28 ~all`
SOA	1	`ns1.kyobi.ac.jp root.kyobi.ac.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.kyobi.ac.jp, ns2.kyobi.ac.jp)

Analysis

Hierarchy

www.task.ac.jp is delegated beneath task.ac.jp.

IP Addresses

task.ac.jp has exactly one IP address — 202.210.8.65.

life-sc.com, mail.g-lab.jp, g-lab.jp plus two other host names have IP numbers in common with task.ac.jp.

Name Servers

DNS delegation for task.ac.jp points to two name servers: ns1.kyobi.ac.jp and ns2.kyobi.ac.jp.

The name servers for task.ac.jp are shared with other domains, including kasd.ac.jp.

task.ac.jp has partial name server overlap with other domains, including kyobi.ac.jp.

These name servers are routinely deployed together with the name servers dns-x.sinet.ad.jp.

ns1.kyobi.ac.jp → 210.137.74.209 and ns2.kyobi.ac.jp → 210.137.74.210: one IP number per host name.

Mail Servers

task.ac.jp uses two mail servers, mercury.kyobi.ac.jp and venus.kyobi.ac.jp.

Like kasd.ac.jp and kyobi.ac.jp, task.ac.jp has the same mail server arrangement as several other domains.

mercury.kyobi.ac.jp → 210.137.74.211 and venus.kyobi.ac.jp → 210.137.74.212: one IP number per host name.