`ca2.hk`

DNSSEC	⚠️ Not signed
NS	`ns9.hkdnr.net.hk` ⭐
		A	2001:dca:4000::cb77:2ad^{🇭🇰 HKDNR-AS-AP2001:dca:4000::/36 HKIRC}
			PTR	`ns9.hkdnr.net.hk`
		A	203.119.2.173^{🇭🇰 HKDNR-AS-AP203.119.2.0/24 HKIRC}
			PTR	`ns9.hkdnr.net.hk`
NS	`ns10.hkdnr.net.hk`
		A	2001:dca:2000::cb77:57ad^{🇭🇰 HKDNR-AS-AP2001:dca:2000::/36 HKIRC}
			PTR	`ns10.hkdnr.net.hk`
		A	203.119.87.173^{🇭🇰 HKDNR-AS-AP203.119.87.0/24 HKIRC}
			PTR	`ns10.hkdnr.net.hk`
NS	`ns11.hkdnr.net.hk`
		A	2001:dca:4000::cb77:2ae^{🇭🇰 HKDNR-AS-AP2001:dca:4000::/36 HKIRC}
			PTR	`ns11.hkdnr.net.hk`
		A	203.119.2.174^{🇭🇰 HKDNR-AS-AP203.119.2.0/24 HKIRC}
			PTR	`ns11.hkdnr.net.hk`
NS	`ns12.hkdnr.net.hk`
		A	2001:dca:2000::cb77:57ae^{🇭🇰 HKDNR-AS-AP2001:dca:2000::/36 HKIRC}
			PTR	`ns12.hkdnr.net.hk`
		A	203.119.87.174^{🇭🇰 HKDNR-AS-AP203.119.87.0/24 HKIRC}
			PTR	`ns12.hkdnr.net.hk`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`oontlqdgbq5tzkr4xth34codezttyh7onfzclnfd367pwkl3qg6q.mx-verification.google.com`⁽¹⁵⁾
SOA	`NS9.HKDNR.NET.HK`HOSTMASTER@HKDNR.NET.HK serial=2024069170

`hk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns3.hkirc.net.hk` ⭐
	NS	`c.hkirc.net.hk`
	NS	`d.hkirc.net.hk`
	NS	`m.hkirc.net.hk`
	NS	`t.hkirc.net.hk`
	NS	`u.hkirc.net.hk`
	NS	`v.hkirc.net.hk`
	NS	`x.hkirc.net.hk`
	NS	`y.hkirc.net.hk`
	NS	`z.hkirc.net.hk`
	SOA	`ns3.hkirc.net.hk`hostmaster@hkirc.net.hk serial=2074972100

Same first word

ca2.hk

ca2.net

ca2.ru

ca2.com.br

ca2.at

ca2.de

ca2.fr

ca2.lu

ca2.org

ca2.dk

ca2.io

ca2.com

ca2.ca

ca2.nl

ca2.cc

ca2.one

ca2.com.hk

ca2.top

ca2.eu

Similar names

ac2.eu

c2a.cloud

a2c.lt

2ca.co.uk

a2c.blue

2ca.it

ac2.fr

2ac.de

ac2.net

2ac.vn

2ac.com

a2c.black

c2a.de

c2a.online

c2a.be

c2a.ie

c2a.us

a2c.io

2ca.fr

2ac.eu

2ac.cn

a2c.ro

a2c.nl

c2a.net

a2c.ir

a2c.ca

ac2.com.ec

2ca.mx

ac2.online

a2c.net

c2a.ru

c2a.io

c2a.eu

c2a.jp

c2a.org

2ac.dk

2ca.de

ac2.com

a2c.com

ac2.nl

2ac.net

ac2.biz

a2c.chat

c2a.pl

a2c.it

c2a.biz

ac2.kr

ac2.io

2ca.ke

2ac.com.au

2ac.com.br

a2c.co.uk

2ca.com.au

2ac.com.vn

a2c.at

a2c.website

a2c.quebec

ac2.cc

ac2.cn

ac2.zone

2ca.ca

ac2.de

a2c.cz

2ca.com

c2a.es

2ca.dk

2ac.archi

ac2.cl

a2c.com.br

c2a.studio

c2a.club

c2a.uz

c2a.com.au

ac2.it

ac2.be

2ac.be

2ac.com.cn

2ac.org

2ca.co

a2c.de

c2a.co.za

c2a.in

ac2.ru

ac2.nhk

2ca.ba

a2c.fyi

a2c.info

a2c.org

ac2.se

2ac.biz

a2c.biz

2ac.us

c2a.com

2ac.jp

2ac.ru

c2a.co

a2c.be

a2c.ch

c2a.no

ac2.es

c2a.cc

2ca.net

c2a.fr

a2c.pl

a2c.jp

c2a.cz

ac2.in

a2c.us

ac2.us

ac2.jp

a2c.co.kr

a2c.co

2ac.fr

c2a.pt

c2a.coop

2ca.ru

a2c.cc

a2c.dk

a2c.fr

a2c.ru

DNS History

15 records (6 active, 9 former)

○NS1.ca2.network2015-05-25 → 2015-10-24 · 4 obs

● 2015-05-25 17:35:10
● 2015-10-24 17:59:28
○ 2016-01-06 02:36:30
○ 2026-07-24 22:19:30

○NS2.ca2.network2015-05-25 → 2015-10-24 · 4 obs

● 2015-05-25 17:35:10
● 2015-10-24 17:59:28
○ 2016-01-06 02:36:30
○ 2026-07-24 22:19:30

●NSns10.hkdnr.net.hk2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

●NSns11.hkdnr.net.hk2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

●NSns12.hkdnr.net.hk2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

●NSns9.hkdnr.net.hk2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

○MXca2.email2015-05-25 → 2015-10-24 · 4 obs

● 2015-05-25 17:35:10
● 2015-10-24 17:59:28
○ 2016-01-06 02:36:30
○ 2026-07-24 22:19:30

●MXoontlqdgbq5tzkr4xth34codezttyh7onfzclnfd367pwkl3qg6q.mx-verification.google.com2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

●MXsmtp.google.com2026-06-14 → 2026-07-24 · 3 obs

○ 2016-01-06 02:36:30
● 2026-06-14 13:47:46
● 2026-07-24 22:19:30

○A104.156.233.2462015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 17:35:10
○ 2026-06-14 13:47:46
○ 2026-07-24 22:19:30

○A104.156.238.1842015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 17:35:10
○ 2026-06-14 13:47:46
○ 2026-07-24 22:19:30

○A151.80.102.232015-10-24 → 2015-10-24 · 4 obs

○ 2015-05-25 17:35:10
● 2015-10-24 17:59:28
○ 2016-01-06 02:36:30
○ 2026-07-24 22:19:30

○A177.67.81.1242015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 17:35:10
○ 2026-06-14 13:47:46
○ 2026-07-24 22:19:30

○A192.95.22.842015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 17:35:10
○ 2026-06-14 13:47:46
○ 2026-07-24 22:19:30

○A46.105.43.1462015-05-25 → 2015-05-25 · 3 obs

● 2015-05-25 17:35:10
○ 2015-10-24 17:59:28
○ 2026-07-24 22:19:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
hk	c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk, t.hkirc.net.hk...	-
ca2.hk	ns10.hkdnr.net.hk, ns9.hkdnr.net.hk, ns12.hkdnr.net.hk, ns11.hkdnr.net.hk	-

✅ Authoritative Response

Server:203.119.87.174

NS records: ns10.hkdnr.net.hk, ns9.hkdnr.net.hk, ns12.hkdnr.net.hk, ns11.hkdnr.net.hk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ca2.hk (unsigned zone)

⏱️ Timing

Total: 2897ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`NS10.HKDNR.NET.HK, NS11.HKDNR.NET.HK...`
MX	2	`OONTLQDGBQ5TZKR4XTH34CODEZTTYH7ONFZCLNFD, SMTP.GOOGLE.COM (pri: 1)`
SOA	1	`NS9.HKDNR.NET.HK HOSTMASTER.HKDNR.NET.HK`

Analysis

Name Servers

The authoritative name servers for ca2.hk are ns10.hkdnr.net.hk, ns11.hkdnr.net.hk, ns12.hkdnr.net.hk and ns9.hkdnr.net.hk.

ca2.hk has at least partial name server overlap with other domains, such as lingnan.org.hk, inpress.com.hk, mingwailau.hk and two others.

ns10.hkdnr.net.hk, ns11.hkdnr.net.hk, ns12.hkdnr.net.hk and ns9.hkdnr.net.hk all point to exactly two IP numbers each: ns10.hkdnr.net.hk → 203.119.87.173 and 2001:dca:2000::cb77:57ad; ns11.hkdnr.net.hk → 203.119.2.174 and 2001:dca:4000::cb77:2ae; ns12.hkdnr.net.hk → 203.119.87.174 and 2001:dca:2000::cb77:57ae; ns9.hkdnr.net.hk → 203.119.2.173 and 2001:dca:4000::cb77:2ad.

Mail Servers

Mail for ca2.hk is handled by two mail servers — smtp.google.com and oontlqdgbq5tzkr4xth34codezttyh7onfzclnfd367pwkl3qg6q.mx-verification.google.com.

ca2.hk has at least partial mail server overlap with other domains such as kseboa.org, freeflow.media, hotelcostadelmar.com.ar and two more.

Hostnames that resolve to 9 IP addresses:

smtp.google.com has IP addresses 64.233.180.26, 64.233.180.27 and 142.251.179.26, plus 6 other.

ca2.hk - robtex.com

ca2.hk

hk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`ca2.hk`

`hk`