`kaizhang.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::ac43:cafb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:163b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.59^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.251^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gordon.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3baa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gordon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gordon.ns.cloudflare.com`
		A	108.162.193.170^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	172.64.33.170^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	173.245.59.170^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
NS	`melinda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
MX	`amir.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`isaac.mx.cloudflare.net`⁽⁸⁸⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`linda.mx.cloudflare.net`⁽⁸⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`keybase-site-verification=K6DplhcMN78cZNwhtgr3nP290InE3GQMYeu2H2_i5pU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.22.59, 172.67.202.251
		IPv6	2606:4700:3031::ac43:cafb, 2606:4700:3032::6815:163b
SOA	`gordon.ns.cloudflare.com`dns@cloudflare.com serial=2398369162

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

www.kaizhang.dev

Same first word

kaizhang.de

kaizhang.dev

kaizhang.info

Similar names

kiazhang.com

DNS History

9 records (9 active, 0 former)

●NSgordon.ns.cloudflare.com2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●NSmelinda.ns.cloudflare.com2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●MXamir.mx.cloudflare.net2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●MXisaac.mx.cloudflare.net2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●MXlinda.mx.cloudflare.net2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●A104.21.22.592026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●A172.67.202.2512026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●A2606:4700:3031::ac43:cafb2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

●A2606:4700:3032::6815:163b2026-02-28 → 2026-03-11 · 2 obs

● 2026-02-28 19:47:36
● 2026-03-11 09:13:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
kaizhang.dev	melinda.ns.cloudflare.com, gordon.ns.cloudflare.com	-

✅ Authoritative Response

Server: 108.162.193.170

NS records: melinda.ns.cloudflare.com, gordon.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.22.59, 172.67.202.251`
AAAA	2	`2606:4700:3031::ac43:cafb, 2606:4700:3032::6815:163b`
NS	2	`gordon.ns.cloudflare.com, melinda.ns.cloudflare.com`
MX	3	`amir.mx.cloudflare.net (pri: 22), isaac.mx.cloudflare.net (pri: 88)...`
TXT	2	`keybase-site-verification=K6DplhcMN78cZN, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gordon.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

The parent of www.kaizhang.dev is kaizhang.dev.

IP Addresses

kaizhang.dev maps to four IP numbers: 2606:4700:3031::ac43:cafb, 2606:4700:3032::6815:163b, 104.21.22.59 and 172.67.202.251.

other host names include domenicoclerico.com, cooperscreenacademy.com, cocinandovoyrecetandovengo.com, budgetyourtravel.com and gissolution.com.au; they share IP numbers with kaizhang.dev.

Name Servers

Two name servers gordon.ns.cloudflare.com and melinda.ns.cloudflare.com handle the delegation for kaizhang.dev.

kaizhang.dev shares the same name server setup as other domains, for instance hsreat.com, farmnewsnow.com, berissociudad.com.ar, intim-moskva.(0x736578) and cfjctoday.com.

kaizhang.dev at least partially shares name servers with other domains, for instance beercatalog.com, desitube.info, bstaint.net, workinghub.com and sportgigant.at.

These name servers are commonly used with aspen.ns.cloudflare.com and nola.ns.cloudflare.com.

Six IP addresses per host:

gordon.ns.cloudflare.com points to 2606:4700:58::adf5:3baa, 2803:f800:50::6ca2:c1aa, 2a06:98c1:50::ac40:21aa, 108.162.193.170, 172.64.33.170 and 173.245.59.170; melinda.ns.cloudflare.com points to 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198

Mail Servers

Three mail servers handle kaizhang.dev: amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

kaizhang.dev shares at least partially some mail servers with other domains, for instance janke.no, json.wtf, imgur.no, greatdaneairlines.dk and hyaenidae.org.

Host names with six IP numbers:

- amir.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.11, 162.159.205.12 and 162.159.205.13

- isaac.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

- linda.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.23, 162.159.205.24 and 162.159.205.25

kaizhang.dev - robtex.com

kaizhang.dev

dev

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kaizhang.dev`

`dev`