`southernduke.com.hk`

DNSSEC	⚠️ Not signed
A	45.121.197.53^{🇭🇰 UDOMAIN-AS-AP45.121.197.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
A	45.121.197.54^{🇭🇰 UDOMAIN-AS-AP45.121.197.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
NS	`earth.udomain.com.hk` ⭐
		A	45.121.196.10^{🇭🇰 UDOMAIN-AS-AP45.121.196.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
NS	`saturn.udomain.com.hk`
		A	45.121.192.10^{🇭🇰 UDOMAIN-AS-AP45.121.192.0/24 UDomain Web Hosting Company Limited Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
MX	`udgw.udomain.com.hk` ⭐
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx1.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx2.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx3.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx4.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx5.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
MX	`mx6.udomain.com.hk`⁽³⁰⁾
		A	103.19.26.39^{🇭🇰 UDOMAIN-AS-AP103.19.26.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.}
			PTR	`fosse.virtualhosting.hk`
TXT	`v=spf1 redirect=smtp.spf.net.hk`
SOA	`earth.udomain.com.hk`domreg@udomain.com.hk 2026-03-16 #9

`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=2073545614

WOT: SAFE (76/100)

Subdomains

system.southernduke.com.hk

Same first word

southernduke.com.hk

DNS History

11 records (11 active, 0 former)

●NSearth.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●NSsaturn.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx1.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx2.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx3.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx4.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx5.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXmx6.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●MXudgw.udomain.com.hk2020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●A45.121.197.532020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

●A45.121.197.542020-02-05 → 2026-05-10 · 2 obs

● 2020-02-05 00:17:22
● 2026-05-10 09:45:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
hk	c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk, t.hkirc.net.hk...	18 records
southernduke.com.hk	saturn.udomain.com.hk, earth.udomain.com.hk	2 records

✅ Authoritative Response

Server:45.121.196.10

NS records: saturn.udomain.com.hk, earth.udomain.com.hk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1176ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`45.121.197.53, 45.121.197.54`
NS	2	`earth.udomain.com.hk, saturn.udomain.com.hk`
MX	7	`mx6.udomain.com.hk (pri: 30), mx5.udomain.com.hk (pri: 30)...`
TXT	1	`v=spf1 redirect=smtp.spf.net.hk`
SOA	1	`earth.udomain.com.hk domreg.udomain.com.`

📌 Glue Records Collected

Total: 20

In-bailiwick: 18 (c.hkirc.net.hk, c.hkirc.net.hk, d.hkirc.net.hk...)

Out-of-bailiwick: 2 (saturn.udomain.com.hk, earth.udomain.com.hk)

Analysis

Hierarchy

southernduke.com.hk is the parent of system.southernduke.com.hk.

IP Addresses

southernduke.com.hk points to two IPs: 45.121.197.53 and 45.121.197.54.

Other host names including stand-up.hk, www.standardpcb.com, sl-warehouse.com, socialplace.hk and ssef.org share IP numbers with southernduke.com.hk.

Name Servers

southernduke.com.hk's delegation uses two name servers, earth.udomain.com.hk and saturn.udomain.com.hk.

southernduke.com.hk shares the same name server setup as other domains, for example empireco.com.hk, gbhk.org.hk, lau1st.com, beautirain.com and ow-cpa.com.

Host names with a single IP:

earth.udomain.com.hk points to 45.121.196.10.

saturn.udomain.com.hk points to 45.121.192.10.

Mail Servers

southernduke.com.hk is handled by seven mail servers: mx1.udomain.com.hk, mx2.udomain.com.hk, mx3.udomain.com.hk, mx4.udomain.com.hk, mx5.udomain.com.hk, mx6.udomain.com.hk and udgw.udomain.com.hk.

The mail servers for southernduke.com.hk are shared with other domains, for instance greatwood.com.hk, bcs.com.hk, tychu.com, jit.hk and alink.com.hk.

These mail servers are commonly used alongside fosse.virtualhosting.hk and fosse.udomain.com.hk.

Host names sharing one IP number:

mx1.udomain.com.hk, mx2.udomain.com.hk, mx3.udomain.com.hk, mx4.udomain.com.hk, mx5.udomain.com.hk, mx6.udomain.com.hk and udgw.udomain.com.hk map to 103.19.26.39.

southernduke.com.hk - robtex.com