`zzchengzi.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:15c8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c816^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.200^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.22^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harleigh.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:263a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c23a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:223a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
		A	108.162.194.58^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.58^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.58^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`josh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.200, 172.67.200.22
		IPv6 hints	2606:4700:3033::6815:15c8, 2606:4700:3035::ac43:c816
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=55, name=cloudflare-ech.com
SOA	`harleigh.ns.cloudflare.com`dns@cloudflare.com serial=2401205396

`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=1778465366

Subdomains

www.zzchengzi.com

Same first word

zzchengzi.com

DNS History

32 records (6 active, 26 former)

○NSa.dnspod.com2017-07-11 → 2017-07-29 · 5 obs

○ 2016-07-20 05:07:02
● 2017-07-11 20:57:46
● 2017-07-29 03:25:42
○ 2017-08-18 16:15:00
○ 2026-05-11 02:25:50

○NSa.share-dns.com2026-03-10 → 2026-03-14 · 5 obs

○ 2026-03-02 18:34:10
● 2026-03-10 00:03:20
● 2026-03-14 09:23:26
○ 2026-04-13 09:04:32
○ 2026-05-11 02:25:50

○NSa4.share-dns.com2026-03-10 → 2026-03-14 · 5 obs

○ 2026-03-02 18:34:10
● 2026-03-10 00:03:20
● 2026-03-14 09:23:26
○ 2026-04-13 09:04:32
○ 2026-05-11 02:25:50

○NSb.dnspod.com2017-07-11 → 2017-07-29 · 5 obs

○ 2016-07-20 05:07:02
● 2017-07-11 20:57:46
● 2017-07-29 03:25:42
○ 2017-08-18 16:15:00
○ 2026-05-11 02:25:50

○NSb.share-dns.net2026-03-10 → 2026-03-14 · 5 obs

○ 2026-03-02 18:34:10
● 2026-03-10 00:03:20
● 2026-03-14 09:23:26
○ 2026-04-13 09:04:32
○ 2026-05-11 02:25:50

○NSb4.share-dns.net2026-03-10 → 2026-03-14 · 5 obs

○ 2026-03-02 18:34:10
● 2026-03-10 00:03:20
● 2026-03-14 09:23:26
○ 2026-04-13 09:04:32
○ 2026-05-11 02:25:50

○NSc.dnspod.com2017-07-11 → 2017-07-29 · 5 obs

○ 2016-07-20 05:07:02
● 2017-07-11 20:57:46
● 2017-07-29 03:25:42
○ 2017-08-18 16:15:00
○ 2026-05-11 02:25:50

○NSdns.bizcn.com2015-05-31 → 2016-07-20 · 4 obs

● 2015-05-31 14:30:22
● 2016-07-20 05:07:02
○ 2017-07-11 20:57:46
○ 2026-05-11 02:25:50

○NSexpire1.gname-dns.com2026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-18 16:15:00
● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

○NSexpire2.gname-dns.com2026-02-16 → 2026-02-16 · 4 obs

○ 2017-08-18 16:15:00
● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

●NSharleigh.ns.cloudflare.com2026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

●NSjosh.ns.cloudflare.com2026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

○NSjuming.dnsdun.com2017-08-18 → 2026-02-16 · 5 obs

○ 2017-07-29 03:25:42
● 2017-08-18 16:15:00
● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

○NSjuming.dnsdun.net2017-08-18 → 2026-02-16 · 5 obs

○ 2017-07-29 03:25:42
● 2017-08-18 16:15:00
● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

○NSns1.4everdns.com2015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 14:30:22
○ 2015-10-30 03:16:56
○ 2026-05-11 02:25:50

○NSns1.namebrightdns.com2026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

○NSns2.4everdns.com2015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 14:30:22
○ 2015-10-30 03:16:56
○ 2026-05-11 02:25:50

○NSns2.namebrightdns.com2026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

○NSns7.cnmsn.net2015-10-30 → 2016-07-20 · 5 obs

○ 2015-05-31 14:30:22
● 2015-10-30 03:16:56
● 2016-07-20 05:07:02
○ 2017-07-11 20:57:46
○ 2026-05-11 02:25:50

○NSns8.cnmsn.net2015-10-30 → 2016-07-20 · 5 obs

○ 2015-05-31 14:30:22
● 2015-10-30 03:16:56
● 2016-07-20 05:07:02
○ 2017-07-11 20:57:46
○ 2026-05-11 02:25:50

●A104.21.21.2002026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

○A172.104.185.2402026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-10 00:03:20
● 2026-03-14 09:23:26
○ 2026-04-13 09:04:32
○ 2026-05-11 02:25:50

○A172.252.62.132017-07-01 → 2017-08-08 · 4 obs

● 2017-07-01 02:55:24
● 2017-08-08 23:57:40
○ 2017-08-18 16:15:00
○ 2026-05-11 02:25:50

●A172.67.200.222026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

○A23.245.144.912017-08-18 → 2026-02-16 · 5 obs

○ 2017-08-08 23:57:40
● 2017-08-18 16:15:00
● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

○A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

○A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

●A2606:4700:3033::6815:15c82026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

●A2606:4700:3035::ac43:c8162026-04-13 → 2026-05-11 · 3 obs

○ 2026-03-14 09:23:26
● 2026-04-13 09:04:32
● 2026-05-11 02:25:50

○A44.208.83.1802026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

○A54.84.240.2352026-03-02 → 2026-03-02 · 4 obs

○ 2026-02-20 08:43:52
● 2026-03-02 18:34:10
○ 2026-03-10 00:03:20
○ 2026-05-11 02:25:50

○CNAMEexp.gs-cdn.com2026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 05:26:30
○ 2026-02-20 08:43:52
○ 2026-05-11 02:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zzchengzi.com	josh.ns.cloudflare.com, harleigh.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.126

NS records: josh.ns.cloudflare.com, harleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zzchengzi.com (unsigned zone)

⏱️ Timing

Total: 709ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.200, 172.67.200.22`
AAAA	2	`2606:4700:3035::ac43:c816, 2606:4700:3033::6815:15c8`
NS	2	`harleigh.ns.cloudflare.com, josh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harleigh.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.zzchengzi.com is a child of zzchengzi.com.

IP Addresses

zzchengzi.com refers to four IP numbers: 2606:4700:3033::6815:15c8, 2606:4700:3035::ac43:c816, 104.21.21.200 and 172.67.200.22.

Name Servers

zzchengzi.com's delegation uses two name servers: harleigh.ns.cloudflare.com and josh.ns.cloudflare.com.

Host names with six IP numbers:

harleigh.ns.cloudflare.com points to 2606:4700:50::a29f:263a, 2803:f800:50::6ca2:c23a, 2a06:98c1:50::ac40:223a, 108.162.194.58, 162.159.38.58 and 172.64.34.58.

josh.ns.cloudflare.com points to 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.

zzchengzi.com - robtex.com

zzchengzi.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`zzchengzi.com`

`com`