`ipc.ac`

DNSSEC	⚠️ Not signed
A	180.147.250.34^{🇯🇵 eo180.144.0.0/14 K-OPTI.COM}
		PTR	`server3d.extremeserv.net`
NS	`system03.hmng.net` ⭐
		A	180.147.250.9^{🇯🇵 eo180.144.0.0/14 K-OPTI.COM}
			PTR	`system03.hmng.net`
NS	`ns5.sendmail.ne.jp`
		A	218.251.116.225^{🇯🇵 eo218.251.0.0/17 OPTAGE Inc.}
			PTR	`ns5.sendmail.ne.jp`
NS	`ns6.sendmail.ne.jp`
		A	218.251.116.226^{🇯🇵 eo218.251.0.0/17 OPTAGE Inc.}
			PTR	`ns6.sendmail.ne.jp`
MX	`sb03h.hmng.net` ⭐
		A	218.251.116.233^{🇯🇵 eo218.251.0.0/17 OPTAGE Inc.}
			PTR	`sb03h.hmng.net`
MX	`sb04h.hmng.net`⁽⁶⁾
		A	218.251.116.234^{🇯🇵 eo218.251.0.0/17 OPTAGE Inc.}
			PTR	`sb04h.hmng.net`
MX	`mail.ipc.ac`⁽¹⁰⁾
		A	180.147.250.34^{🇯🇵 eo180.144.0.0/14 K-OPTI.COM}
			PTR	`server3d.extremeserv.net`
TXT	`v=spf1 +a +mx +ip4:121.83.205.153 +ip4:180.147.250.34 +ip4:121.83.205.28 -all`
SOA	`system03.hmng.net`root@system03.hmng.net 2021-02-08 #0

`ac`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.ac` ⭐
	NS	`a2.nic.ac`
	NS	`b0.nic.ac`
	NS	`c0.nic.ac`
	SOA	`a0.nic.ac`hostmaster@donuts.email serial=1774186768

Subdomains

mail.ipc.ac

Same first word

ipc.care

ipc.cc

ipc.jp

ipc.org.ua

ipc.co.uk

ipc.com.sg

ipc.pl

ipc.ro

ipc.ac.cn

ipc.cn

ipc.cleaning

ipc.pe.kr

ipc.si

ipc.gov.in

ipc.ch

ipc.to

ipc.de

ipc.asia

ipc.group

ipc.ac.nz

ipc.best

ipc.my

ipc.or.tz

ipc.kiev.ua

ipc.org

ipc.guru

ipc.education

ipc.us

ipc.co.jp

ipc.spb.ru

ipc.se

ipc.com.ps

ipc.me

ipc.co.nz

ipc.is

ipc.com.br

ipc.com.my

ipc.org.es

ipc.co.ir

ipc.dk

ipc.on.ca

ipc.cl

ipc.team

ipc.ce.gov.br

ipc.international

ipc.mu

ipc.am

ipc.com.tw

ipc.in

ipc.com.au

ipc.biz

ipc.com.pt

ipc.ac

ipc.name

ipc.info

ipc.nl

ipc.co.cr

ipc.as

ipc.net

ipc.pizza

ipc.tm

ipc.co.at

ipc.net.pl

ipc.support

ipc.co

ipc.kz

ipc.kg

ipc.com.pk

ipc.cz

ipc.systems

ipc.rs

ipc.com.sv

ipc.la

ipc.com

ipc.at

ipc.az

ipc.world

ipc.ind.br

ipc.gov.pk

ipc.com.py

ipc.in.ua

ipc.hu

ipc.ci

ipc.lt

ipc.pt

ipc.sk

ipc.med.br

ipc.ph

ipc.com.pl

ipc.io

ipc.net.nz

ipc.academy

ipc.com.pe

ipc.od.ua

ipc.church

ipc.org.gt

ipc.edu.pe

ipc.be

ipc.tw

ipc.org.ec

Similar names

pic.co.nz

pci.ro

pci.asia

pic.in.th

pic.ms

icp.com.br

pci.by

icp.io

pci.technology

pci.com.ph

pic.ag

pic.ma

cpi.com.tw

pic.mk

pci.dk

icp.co.ir

cpi.kz

pic.at

cpi.es

cip.ch

icp.co.il

cip.me

cip.it

cip.su

pci.im

cpi.consulting

icp.lu

ipc.co.bw

pci.com.pk

icp.edu.ng

ipc.org.cn

cip.org.pe

icp.bike

pic.gov.za

cpi.ltd.hk

cip.md

pci.org.py

icp.kz

pci.us

ipc.camera

pic.sa

pci.kasserver.com

cip.cc

ipc.com.vn

ipc.ru

pci.pt

ipc.hr

icp.tv

pci.bg

cpi.digital

cpi.pt

pic.legal

cip.com

icp.org.ua

cpi.no

pic.ac.th

ipc.gr.jp

ipc.ma

ipc.net.vn

ipc.co.id

cip.energy

ipc.org.au

ipc.netlify.app

ipc.ltd

pic.com.cn

pci.net

cip.lv

cpi.org.py

cpi.coop

cpi.jp

ipc.org.br

cip.fund

cip.investments

ipc.com.hr

pic.ru

pic.life

cpi.jx.cn

cip.kz

pic.nl

cip.cl

ipc.qld.edu.au

cpi.systems

cip.mx

icp.com.pl

pic.fi

cip.co.il

pci.de

icp.hk

cip.lt

pic.team

cpi.net

pci.be

icp.fr

cpi.org

cpi.ac.cn

cpi.cn

cpi.org.pk

ipc.cv

ipc.moscow

pci.email

ipc.eu

ipc.digital

cpi.rocks

cpi.ba

pic.org.ua

cpi.ne.jp

ipc.com.tr

cpi.at

icp.ua

pci.group

icp.edu.ar

pic.co.kr

cip.at

pci.limited

pic.fish

cip.es

icp.com

icp.my

icp.be

cip.com.au

ipc.bg

cip.in

pci.institute

ipc.ie

pci.training

ipc.su

cip.one

pci.lu

icp.de

icp.no

cip.co.za

pci.it

DNS History

13 records (7 active, 6 former)

○NSns3.sendmail.ne.jp2015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

○NSns4.sendmail.ne.jp2015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

●NSns5.sendmail.ne.jp2017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

●NSns6.sendmail.ne.jp2017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

○NSsystem02.hmng.net2015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

●NSsystem03.hmng.net2017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

●MXmail.ipc.ac2015-06-15 → 2026-03-22 · 2 obs

● 2015-06-15 12:50:52
● 2026-03-22 17:56:34

○MXsb01h.hmng.net2015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

○MXsb02h.hmng.net2015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

●MXsb03h.hmng.net2017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

●MXsb04h.hmng.net2017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

●A180.147.250.342017-02-15 → 2026-03-22 · 3 obs

○ 2016-05-03 11:09:50
● 2017-02-15 10:17:50
● 2026-03-22 17:56:34

○A180.147.251.1182015-06-15 → 2016-05-03 · 4 obs

● 2015-06-15 12:50:52
● 2016-05-03 11:09:50
○ 2017-02-15 10:17:50
○ 2026-03-22 17:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ac	a0.nic.ac, b0.nic.ac, a2.nic.ac, c0.nic.ac	8 records
ipc.ac	ns5.sendmail.ne.jp, ns6.sendmail.ne.jp	-

✅ Authoritative Response

Server: 218.251.116.225

NS records: ns5.sendmail.ne.jp, ns6.sendmail.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ipc.ac (unsigned zone)

⏱️ Timing

Total: 1287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.147.250.34`
NS	2	`ns5.sendmail.ne.jp, ns6.sendmail.ne.jp`
MX	3	`sb03h.hmng.net (pri: 5), mail.ipc.ac (pri: 10)...`
TXT	1	`v=spf1 +a +mx +ip4:121.83.205.153 +ip4:1`
SOA	1	`system03.hmng.net root.system03.hmng.net`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)

Analysis

Hierarchy

The parent of mail.ipc.ac is ipc.ac.

IP Addresses

ipc.ac points to IP number: 180.147.250.34.

Other host names such as mail.kobayashi-kohgyo.com, mail.araikoumuten.jp, mail.katsuo-ji-temple.or.jp, i-magic.ac and mail.senboku-s.co.jp share IPs with ipc.ac.

Name Servers

ipc.ac is delegated to three name servers: system03.hmng.net, ns5.sendmail.ne.jp and ns6.sendmail.ne.jp.

ipc.ac at least partially shares name servers with other domains, for instance ono-const.co.jp, kyosen.or.jp, ij-p.com, mechanicalseal.jp and b2c.jp.

Host names with a single IP:

system03.hmng.net points to: 180.147.250.9.

ns5.sendmail.ne.jp points to: 218.251.116.225.

ns6.sendmail.ne.jp points to: 218.251.116.226.

Mail Servers

Three mail servers handle ipc.ac: mail.ipc.ac, sb03h.hmng.net and sb04h.hmng.net.

ipc.ac shares at least partially some mail servers with other domains, including kindai-wellness.jp, b-touseki.com, server3a.extremeserv.net, katsuo-ji-temple.or.jp and kk-sanbu.com.

these mail servers are commonly used with mail.kindai-wellness.jp and mail.b-touseki.com.

Host names with a single IP:

mail.ipc.ac points to: 180.147.250.34.

sb03h.hmng.net points to: 218.251.116.233.

sb04h.hmng.net points to: 218.251.116.234.

ipc.ac - robtex.com

ipc.ac

ac

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ipc.ac`

`ac`