`hcs.com.hk`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`hcs.com.hk` ⭐
		A	127.0.0.1
NS	`ns303.jpisp.com`
		A	154.85.49.102^{🇺🇸 BAIDU-1154.85.48.0/21 AS55967}
NS	`ns304.jpisp.com`
		A	154.85.49.102^{🇺🇸 BAIDU-1154.85.48.0/21 AS55967}
MX	`mx2.c5.icoremail.net` ⭐
		A	139.159.196.18^{🇨🇳 HWCSNET139.159.192.0/20 Huawei Clouds Guangzhou Region}
			PTR	`ecs-139-159-196-18.compute.hwclouds-dns.com`
MX	`mx3.c5.icoremail.net`⁽¹⁰⁾
		A	139.159.196.18^{🇨🇳 HWCSNET139.159.192.0/20 Huawei Clouds Guangzhou Region}
			PTR	`ecs-139-159-196-18.compute.hwclouds-dns.com`
MX	`mx.c5.icoremail.net`⁽²⁰⁾
		A	79.76.111.109^{🇬🇧 ORACLE-OCI-3189879.76.96.0/19 Oracle Corporation}
			PTR	`org-mxproxy.icoremail.net`
		A	89.168.78.125^{🇩🇪 ORACLE-OCI-3189889.168.64.0/18 Oracle Corporation}
			PTR	`org-mxproxy.icoremail.net`
		A	165.154.163.126^{🇺🇸 UCLOUD-1165.154.163.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
			PTR	`ucloud-mxproxy.icoremail.net`
TXT	`v=spf1include:spf.icoremail.net-all""`
SOA	`hcs.com.hk`root@hcs.com.hk 2025-10-24 #0

`com.hk`

	DNSSEC	⚠️ Not signed
	NS	`ns3.hkirc.net.hk` ⭐
	NS	`c.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`d.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`m.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`t.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`u.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`v.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`x.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`y.hkirc.net.hk` ⚠️ Not in parent delegation
	NS	`z.hkirc.net.hk` ⚠️ Not in parent delegation
	SOA	`ns3.hkirc.net.hk`hostmaster@hkirc.net.hk serial=2073574132

WOT: SAFE (76/100)

NS for

hcs.com.hk

Subdomains

www.hcs.com.hk

Same first word

hcs.gmbh

hcs.pt

hcs.com.mx

hcs.hu

hcs.school.nz

hcs.edu.hk

hcs.us

hcs.construction

hcs.al

hcs.ru

hcs.cloud

hcs.expert

hcs.build

hcs.care

hcs.lk

hcs.nl

hcs.ch

hcs.name

hcs.ie

hcs.ee

hcs.net.cn

hcs.agency

hcs.it

hcs.com.pk

hcs.no

hcs.com.cy

hcs.org

hcs.as

hcs.pl

hcs.gov.in

hcs.sa.edu.au

hcs.training

hcs.com.pl

hcs.jp

hcs.cn

hcs.services

hcs.k12.ca.us

hcs.xyz

hcs.k12.in.us

hcs.mobi

hcs.co.jp

hcs.biz

hcs.company

hcs.nsw.edu.au

hcs.fi

hcs.gov.ly

hcs.cl

hcs.co.at

hcs.technology

hcs.es

hcs.at

hcs.mx

hcs.guru

hcs.k12.sc.us

hcs.education

hcs.land

hcs.li

hcs.nu

hcs.ca

hcs.se

hcs.k12.nc.us

hcs.co

hcs.k12.al.us

hcs.world

hcs.sg

hcs.com.sg

hcs.life

hcs.gr

hcs.ac.cn

hcs.com

hcs.support

hcs.be

hcs.ae

hcs.com.tr

hcs.la

hcs.im

hcs.com.hk

hcs.net

hcs.us.com

hcs.de

hcs.in

Similar names

sch.sa

chs.clinic

chs.gmbh

shc.ch

hsc.edu

hsc.ch

hsc.com.tw

shc.ro

hsc.com.cn

csh.fi

sch.capital

hsc.or.at

shc.org.uk

sch.in.ua

sch.cz

shc.tas.edu.au

hsc.church

chs.cz

hsc.me

chs.info

shc.es

csh.ch

sch.edu.in

shc.ru

csh.kz

chs.org.uk

csh.co.uk

shc.nl

hsc.ae

csh.com.my

sch.asia

csh.com.sa

sch.uk

sch.services

chs.jp

shc.jp

shc.edu.bz

chs.org.au

chs.co.jp

shc.asia

shc.de

hsc.studio

chs.law

hsc.sk

shc.in

shc.vic.edu.au

csh.in

chs.biz

sch.it

shc.ac.th

hsc.fr

sch.kawaguchi.saitama.jp

chs.com.tw

sch.es

sch.dev

chs.me

sch.sk

shc.gr

shc.mx

chs.org.tw

sch.hs.kr

sch.academy

chs.ae

sch.edgesuite.net

chs.life

sch.my

chs.edu.mt

csh.space

chs.co.il

hsc.tv

hsc.com.tr

hsc.eu

chs.co.nz

chs.tips

shc.pl

chs.nl

chs.pt

csh.com.tr

shc.co.th

chs.ag

sch.si

sch.su

chs.net.cn

csh.co

sch.net

chs.su

shc.co.kr

csh.name

sch.gr

chs.coop

chs.services

csh.de

hsc.co.uk

hsc.at

shc.io

shc.gov.sa

hsc.dz

sch.id

chs.edu.sa

sch.me

csh.me

chs.md

csh.ro

chs.com.cn

shc.co.uk

sch.com.au

hsc.vn

DNS History

12 records (7 active, 5 former)

●NShcs.com.hk2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

○NShk1dns01.iadvantage.net.hk2015-08-29 → 2017-09-12 · 4 obs

● 2015-08-29 06:18:28
● 2017-09-12 18:10:08
○ 2026-03-09 00:08:22
○ 2026-08-02 12:58:00

○NShk1dns02.iadvantage.net.hk2015-08-29 → 2017-09-12 · 4 obs

● 2015-08-29 06:18:28
● 2017-09-12 18:10:08
○ 2026-03-09 00:08:22
○ 2026-08-02 12:58:00

○NShk3dns01.iadvantage.net.hk2015-08-29 → 2017-09-12 · 4 obs

● 2015-08-29 06:18:28
● 2017-09-12 18:10:08
○ 2026-03-09 00:08:22
○ 2026-08-02 12:58:00

○NShk3dns02.iadvantage.net.hk2015-08-29 → 2017-09-12 · 4 obs

● 2015-08-29 06:18:28
● 2017-09-12 18:10:08
○ 2026-03-09 00:08:22
○ 2026-08-02 12:58:00

●NSns303.jpisp.com2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

●NSns304.jpisp.com2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

○MXmail.hcs.com.hk2015-08-29 → 2017-09-12 · 4 obs

● 2015-08-29 06:18:28
● 2017-09-12 18:10:08
○ 2026-03-09 00:08:22
○ 2026-08-02 12:58:00

●MXmx.c5.icoremail.net2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

●MXmx2.c5.icoremail.net2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

●MXmx3.c5.icoremail.net2026-03-09 → 2026-08-02 · 3 obs

○ 2017-09-12 18:10:08
● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

●A127.0.0.12026-03-09 → 2026-08-02 · 2 obs

● 2026-03-09 00:08:22
● 2026-08-02 12:58:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
hk	t.hkirc.net.hk, u.hkirc.net.hk, x.hkirc.net.hk, m.hkirc.net.hk...	-
hcs.com.hk	ns303.jpisp.com, ns304.jpisp.com	-

✅ Authoritative Response

Server:154.85.49.102

NS records: ns303.jpisp.com, ns304.jpisp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hcs.com.hk (unsigned zone)

⏱️ Timing

Total: 1686ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
NS	2	`ns303.jpisp.com, ns304.jpisp.com`
MX	3	`mx3.c5.icoremail.net (pri: 20), mx.c5.icoremail.net (pri: 5)...`
TXT	1	`v=spf1include:spf.icoremail.net-all""`
SOA	1	`hcs.com.hk root.hcs.com.hk`

Analysis

Hierarchy

hcs.com.hk serves as the parent of www.hcs.com.hk.

Name Server Role

hcs.com.hk is listed as a name server for hcs.com.hk — it is in-bailiwick, authoritative for its own domain.

The name servers ns303.jpisp.com and ns304.jpisp.com are often paired with hcs.com.hk.

IP Addresses

hcs.com.hk has exactly one IP address — 127.0.0.1.

170.170.static.quadranet.com, 204.44.73.60.static.quadranet.com, mouzenidis.ru plus two other host names have IP numbers in common with hcs.com.hk.

Name Servers

hcs.com.hk is delegated to three name servers: hcs.com.hk, ns303.jpisp.com and ns304.jpisp.com.

hcs.com.hk has at least partial name server overlap with other domains, such as newtimecon.com, qiloo.org, tdxh.org and two others.

It is common to see these name servers used together with name servers ns3.my-ndns.com and ns4.my-ndns.com.

ns303.jpisp.com and ns304.jpisp.com both resolve to 154.85.49.102, while hcs.com.hk resolves to 127.0.0.1; all three hostnames carry exactly one IP address.

ns303.jpisp.com and ns304.jpisp.com are host names that each point to 154.85.49.102 IP addresses.

Mail Servers

hcs.com.hk has three mail servers: mx2.c5.icoremail.net, mx3.c5.icoremail.net and mx.c5.icoremail.net.

At least some of the mail servers used by hcs.com.hk are shared with other domains: hzfpc.com, bentleycrm.com, umipc.com and two others among them.

Host names carrying three IP numbers:

mx.c5.icoremail.net points to 79.76.111.109, 89.168.78.125 and 165.154.163.126.

Host names resolving to a single IP address:

mx2.c5.icoremail.net points to 139.159.196.18.

mx3.c5.icoremail.net points to 139.159.196.18.

mx2.c5.icoremail.net and mx3.c5.icoremail.net are host names that each point to 139.159.196.18 IP addresses.

hcs.com.hk - robtex.com

hcs.com.hk

com.hk

NS for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Name Server Role

IP Addresses

Name Servers

Mail Servers

`hcs.com.hk`

`com.hk`