`liukang.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8790^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1a3d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.61^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.144^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`vera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c093^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2093^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vera.ns.cloudflare.com`
		A	108.162.192.147^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	172.64.32.147^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
		A	173.245.58.147^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vera.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`google-site-verification=M8fP4rF-7CaiF9bM4W7VDzsm_8gMHhL3Vl5JIu97oaQ`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.26.61, 172.67.135.144
		IPv6	2606:4700:3031::ac43:8790, 2606:4700:3035::6815:1a3d
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2399676516

`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=1771291435

🔒 HSTS Preload (+subdomains)

Same first word

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liukang.org.hk

liukang.me

liukang.net

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DNS History

17 records (11 active, 6 former)

●NSdan.ns.cloudflare.com2015-06-08 → 2026-03-23 · 3 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2026-03-23 03:09:32

●NSvera.ns.cloudflare.com2015-06-08 → 2026-03-23 · 3 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2026-03-23 03:09:32

●MXalt1.aspmx.l.google.com2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

●MXalt2.aspmx.l.google.com2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

●MXalt3.aspmx.l.google.com2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

●MXalt4.aspmx.l.google.com2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

●MXaspmx.l.google.com2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

○MXmailstore1.secureserver.net2015-06-08 → 2016-11-25 · 5 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

○MXsmtp.secureserver.net2015-06-08 → 2016-11-25 · 5 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

●A104.21.26.612026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

○A104.28.2.1212015-06-08 → 2016-11-25 · 5 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

○A104.28.3.1212015-06-08 → 2016-11-25 · 5 obs

○ 2008-03-20 07:18:12
● 2015-06-08 16:47:06
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

●A172.67.135.1442026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

○A2400:cb00:2048:1::681c:2792016-02-21 → 2016-11-25 · 5 obs

○ 2015-06-08 16:47:06
● 2016-02-21 14:59:20
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

○A2400:cb00:2048:1::681c:3792016-02-21 → 2016-11-25 · 5 obs

○ 2015-06-08 16:47:06
● 2016-02-21 14:59:20
● 2016-11-25 06:12:46
○ 2026-03-08 17:58:44
○ 2026-03-23 03:09:32

●A2606:4700:3031::ac43:87902026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

●A2606:4700:3035::6815:1a3d2026-03-08 → 2026-03-23 · 3 obs

○ 2016-11-25 06:12:46
● 2026-03-08 17:58:44
● 2026-03-23 03:09:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
liukang.com	dan.ns.cloudflare.com, vera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.108

NS records: dan.ns.cloudflare.com, vera.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.135.144, 104.21.26.61`
AAAA	2	`2606:4700:3031::ac43:8790, 2606:4700:3035::6815:1a3d`
NS	2	`dan.ns.cloudflare.com, vera.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=M8fP4rF-7CaiF9b, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dan.ns.cloudflare.com, dan.ns.cloudflare.com, dan.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by liukang.com: 2606:4700:3031::ac43:8790, 2606:4700:3035::6815:1a3d, 104.21.26.61 and 172.67.135.144.

other host names including ampurl.central-ue-cdnsite.workers.dev, lunettes.co, hindi(0x736578)hd.com, www.opusdei.es and queroloto.com share IP numbers with liukang.com.

Name Servers

liukang.com is delegated to two name servers dan.ns.cloudflare.com and vera.ns.cloudflare.com.

liukang.com shares the same name server setup as other domains, for instance suohabb.com, 51jkcy.com, aaa006.com, 1tian1.com and kukuzw.com.

liukang.com at least partially shares name servers with other domains, for instance xteen(0x736578).xyz, 4navymoms.com, magruders.org, sarvodaya.org and satunpeo.go.th.

these name servers are commonly used alongside marge.ns.cloudflare.com.

Host names with six IP numbers:

Host name dan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108.

Host name vera.ns.cloudflare.com points to: 2606:4700:50::adf5:3a93, 2803:f800:50::6ca2:c093, 2a06:98c1:50::ac40:2093, 108.162.192.147, 172.64.32.147 and 173.245.58.147.

Mail Servers

liukang.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

liukang.com shares some mail servers with other domains, at least partially, for instance soundstack.com, bhanam.com, tercon.net, zenka.com and racecarsforsale.net.