`coe.ad.jp`

DNSSEC	⚠️ Not signed
A	103.95.184.68^{🇯🇵 ICSCOE-AS103.95.184.0/22 Industrial Cyber Security Center of Excellence X-Keiro : senotice@gmail.com}
		PTR	`mail.coe.ad.jp`
NS	`nsj.tennoudai.net` ⭐
		A	133.242.228.31^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`nsj.tennoudai.net`
NS	`nsi.tennoudai.net`
		A	160.16.152.236^{🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`tk2-412-47232.vs.sakura.ne.jp`
NS	`nsk.tennoudai.net`
		A	54.179.116.66^{🇸🇬 Amazon54.179.0.0/17 SIN prefix}
			PTR	`ec2-54-179-116-66.ap-southeast-1.compute.amazonaws.com`
NS	`nsu.tennoudai.net`
		A	35.82.239.168^{🇺🇸 Amazon35.80.0.0/12 EC2 PDX prefix}
			PTR	`ec2-35-82-239-168.us-west-2.compute.amazonaws.com`
NS	`nsv.tennoudai.net` ⚠️ Not in zone NS records
		A	103.41.60.26^{🇯🇵 TOKAI-NETWORK103.41.60.0/24 SoftEther Corporation X-Keiro : senotice@gmail.com}
			PTR	`103-41-60-26.hq.v4.open.ad.jp`
NS	`nsw.tennoudai.net` ⚠️ Not in zone NS records
		A	44.224.225.173^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`ec2-44-224-225-173.us-west-2.compute.amazonaws.com`
MX	`mail.coe.ad.jp` ⭐
		A	103.95.184.68^{🇯🇵 ICSCOE-AS103.95.184.0/22 Industrial Cyber Security Center of Excellence X-Keiro : senotice@gmail.com}
			PTR	`mail.coe.ad.jp`
MX	`shared-mail-2nd.ipantt.net`⁽⁵⁰⁾
		A	153.126.184.125^{🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`shared-mail-2nd.ipantt.net`
TXT	`v=spf1 redirect=tennoudai.net`
SOA	`nsj.tennoudai.net`hostmaster@sec.softether.co.jp 2017-07-08 #71

`ad.jp`

	DNSSEC	⚠️ Not signed
	TXT	`ad.jp.`

WOT: SAFE (50/100)

Subdomains

mail.coe.ad.jp

dn-mailrecv2.coe.ad.jp

www.coe.ad.jp

v6.coe.ad.jp

v4.coe.ad.jp

dn-mailrecv.coe.ad.jp

speed.coe.ad.jp

Same first word

coe.co.uk

coe.lv

coe.fr

coe.cc

coe.co.th

coe.k12.wa.us

coe.fi

coe.es

coe.ee

coe.co.in

coe.gob.do

coe.no

coe.com.sa

coe.at

coe.org.rs

coe.net

coe.com.hk

coe.com.es

coe.ca

coe.us

coe.bm

coe.in

coe.info

coe.org.mt

coe.edu.ar

coe.md

coe.ae

coe.gouv.fr

coe.eu

coe.io

coe.kiev.ua

coe.ad.jp

coe.si

coe.or.kr

coe.org.ec

coe.tw

coe.com.cn

coe.pl

coe.se

coe.ge

coe.com.pk

coe.my

coe.ba

coe.com

coe.mx

coe.cl

coe.cz

coe.edu

coe.me

coe.org

coe.ws

coe.hu

coe.or.th

coe.am

coe.ch

coe.al

coe.su

coe.org.es

coe.pt

coe.int

coe.sp.gov.br

coe.com.pl

coe.com.br

coe.it

Similar names

eoc.co.in

ceo.cg

oce.com.hk

eco.gg

eoc.net

ceo.com.br

ceo.com.ph

eoc.cc

eoc.me

eco.at

oec.or.jp

eoc.management

eco.gov.ua

oce.az

eco.nl

eoc.exchange

oec.org.au

eco.pe.kr

eco.ch

ceo.nl

eoc.co.uk

oce.edu.pl

eco.hu

eco.bz

oce.lol

oce.k12.ca.us

oce.sa

eoc.vision

oce.us

eoc.si

ceo.tax

oce.gov.om

oce.hu

ceo.wtf

eco.sa.com

eoc.network

eoc.in

ceo.wine

oec.coop

oce.tel

eoc.zone

eco.ax

eoc.cn

ceo.ru

oce.se

eco.kiev.ua

eco.in

ceo.one

ceo.om

ceo.cc

ceo.works

eoc.se

oce.co.uk

eco.lt

ceo.mn

eoc.de

ceo.voyage

eco.co.bw

eco.com.tr

ceo.camp

ceo.co.ug

eoc.ca

ceo.gov.hk

eoc.co.za

ceo.no

oce.ch

ceo.net.cn

eco.es

eco.us

oce.eu

eco.com.uy

eco.pe

ceo.digital

eco.do

oce.bike

ceo.ventures

oec.cz

eco.be

oec.ro

eco.coop

ceo.uz

eoc.net.au

eco.ae

oec.corsica

DNS History

9 records (9 active, 0 former)

●NSnsi.tennoudai.net2018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

●NSnsj.tennoudai.net2018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

●NSnsk.tennoudai.net2018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

●NSnsu.tennoudai.net2018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

●NSnsv.tennoudai.net2026-02-17 → 2026-03-19 · 3 obs

○ 2018-05-10 15:37:14
● 2026-02-17 00:00:02
● 2026-03-19 07:45:50

●NSnsw.tennoudai.net2026-02-17 → 2026-03-19 · 3 obs

○ 2018-05-10 15:37:14
● 2026-02-17 00:00:02
● 2026-03-19 07:45:50

●MXmail.coe.ad.jp2018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

●MXshared-mail-2nd.ipantt.net2026-02-17 → 2026-03-19 · 3 obs

○ 2018-05-10 15:37:14
● 2026-02-17 00:00:02
● 2026-03-19 07:45:50

●A103.95.184.682018-05-10 → 2026-03-19 · 2 obs

● 2018-05-10 15:37:14
● 2026-03-19 07:45:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
coe.ad.jp	nsw.tennoudai.net, nsu.tennoudai.net, nsj.tennoudai.net, nsi.tennoudai.net...	-

✅ Authoritative Response

Server: 103.41.60.26

NS records: nsw.tennoudai.net, nsu.tennoudai.net, nsj.tennoudai.net, nsi.tennoudai.net, nsk.tennoudai.net, nsv.tennoudai.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coe.ad.jp (unsigned zone)

⏱️ Timing

Total: 1781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.95.184.68`
NS	4	`nsj.tennoudai.net, nsk.tennoudai.net...`
MX	2	`shared-mail-2nd.ipantt.net (pri: 50), mail.coe.ad.jp (pri: 10)`
TXT	1	`v=spf1 redirect=tennoudai.net`
SOA	1	`nsj.tennoudai.net hostmaster.sec.softeth`

Analysis

Hierarchy

coe.ad.jp is a parent of mail.coe.ad.jp, dn-mailrecv2.coe.ad.jp, www.coe.ad.jp, v6.coe.ad.jp and v4.coe.ad.jp, plus a few other host names.