`kernelhk.com`

DNSSEC	⚠️ Not signed
A	203.80.248.66^{🇭🇰 HKBN203.80.224.0/19 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street}
		PTR	`mail.kernelhk.com`
NS	`ns1.kernelhk.com` ⭐
		A	203.80.248.66^{🇭🇰 HKBN203.80.224.0/19 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street}
			PTR	`mail.kernelhk.com`
NS	`ns3.kernelhk.com`
		A	203.80.248.66^{🇭🇰 HKBN203.80.224.0/19 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street}
			PTR	`mail.kernelhk.com`
MX	`mail.kernelhk.com` ⭐
		A	203.80.248.66^{🇭🇰 HKBN203.80.224.0/19 Hong Kong Broadband Network Ltd 15/F Trans Asia Centre 18 Kin Hong Street}
			PTR	`mail.kernelhk.com`
TXT	`google-site-verification=6TGzaBEAyVS7_1e0mC0d7VLhz8t7vScEIzpTiI-HxVI`
TXT	`v=spf1 a mx ip4:203.80.248.66 -all`
SOA	`ns1.kernelhk.com`root@kernelhk.com 2024-11-01 #60

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778568446

Subdomains

mail.kernelhk.com

ns1.kernelhk.com

ns3.kernelhk.com

ns2.kernelhk.com

Same first word

kernelhk.net

kernelhk.com

DNS History

7 records (4 active, 3 former)

●NSns1.kernelhk.com2015-07-26 → 2026-05-12 · 2 obs

● 2015-07-26 09:28:14
● 2026-05-12 07:11:14

○NSns2.kernelhk.com2015-07-26 → 2017-06-26 · 4 obs

● 2015-07-26 09:28:14
● 2017-06-26 15:56:00
○ 2020-11-26 05:35:08
○ 2026-05-12 07:11:14

●NSns3.kernelhk.com2020-11-26 → 2026-05-12 · 3 obs

○ 2017-06-26 15:56:00
● 2020-11-26 05:35:08
● 2026-05-12 07:11:14

●MXmail.kernelhk.com2015-07-26 → 2026-05-12 · 2 obs

● 2015-07-26 09:28:14
● 2026-05-12 07:11:14

○A175.45.23.1022015-07-26 → 2017-06-26 · 4 obs

● 2015-07-26 09:28:14
● 2017-06-26 15:56:00
○ 2020-11-26 05:35:08
○ 2026-05-12 07:11:14

○A175.45.23.702020-11-26 → 2020-11-26 · 4 obs

○ 2017-06-26 15:56:00
● 2020-11-26 05:35:08
○ 2026-03-11 18:46:12
○ 2026-05-12 07:11:14

●A203.80.248.662026-03-11 → 2026-05-12 · 3 obs

○ 2020-11-26 05:35:08
● 2026-03-11 18:46:12
● 2026-05-12 07:11:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kernelhk.com	ns1.kernelhk.com, ns3.kernelhk.com	2 records

✅ Authoritative Response

Server:203.80.248.66

NS records: ns1.kernelhk.com, ns3.kernelhk.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kernelhk.com (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.80.248.66`
NS	2	`ns3.kernelhk.com, ns1.kernelhk.com`
MX	1	`mail.kernelhk.com (pri: 10)`
TXT	2	`google-site-verification=6TGzaBEAyVS7_1e, v=spf1 a mx ip4:203.80.248.66 -all`
SOA	1	`ns1.kernelhk.com root.kernelhk.com`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.kernelhk.com, ns3.kernelhk.com)

Analysis

Hierarchy

kernelhk.com is a parent of mail.kernelhk.com, ns1.kernelhk.com, ns3.kernelhk.com and ns2.kernelhk.com.

IP Addresses

kernelhk.com points to an IP address: 203.80.248.66.

other host names, for instance ns1.kernelhk.com, ns3.kernelhk.com, ns2.kernelhk.com and mail.kernelhk.com share IP numbers with kernelhk.com.

Name Servers

Two name servers ns1.kernelhk.com and ns3.kernelhk.com handle the delegation for kernelhk.com.

kernelhk.com shares the same name server setup as other domains, for instance kerneldg.com.

Host names with a single IP

ns1.kernelhk.com points to 203.80.248.66

ns3.kernelhk.com points to 203.80.248.66

Host names that point to 203.80.248.66: ns1.kernelhk.com and ns3.kernelhk.com

Mail Servers

kernelhk.com is handled by a single mail server, mail.kernelhk.com.

The mail server setup for kernelhk.com is the same as for other domains, such as kerneldg.com.

The host name mail.kernelhk.com points to IP 203.80.248.66.

kernelhk.com - robtex.com

kernelhk.com

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