`51zidian.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:a334^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:417c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.124^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.52^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`annalise.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`annalise.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`annalise.ns.cloudflare.com`
		A	108.162.194.234^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	162.159.38.234^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
		A	172.64.34.234^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annalise.ns.cloudflare.com`
NS	`josh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.124, 172.67.163.52
		IPv6 hints	2606:4700:3032::ac43:a334, 2606:4700:3035::6815:417c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com
SOA	`annalise.ns.cloudflare.com`dns@cloudflare.com serial=2396864625

`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=1775234347

Subdomains

www.51zidian.com

Same first word

51zidian.com

DNS History

15 records (6 active, 9 former)

●NSannalise.ns.cloudflare.com2026-02-23 → 2026-04-03 · 3 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-04-03 16:49:44

●NSjosh.ns.cloudflare.com2026-02-23 → 2026-04-03 · 3 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-04-03 16:49:44

○NSns51.1and1.com2015-06-02 → 2017-04-05 · 4 obs

● 2015-06-02 05:54:44
● 2017-04-05 06:33:48
○ 2026-02-23 09:50:44
○ 2026-04-03 16:49:44

○NSns52.1and1.com2015-06-02 → 2017-04-05 · 4 obs

● 2015-06-02 05:54:44
● 2017-04-05 06:33:48
○ 2026-02-23 09:50:44
○ 2026-04-03 16:49:44

○MXmx00.1and1.com2015-06-02 → 2017-04-05 · 4 obs

● 2015-06-02 05:54:44
● 2017-04-05 06:33:48
○ 2026-02-23 09:50:44
○ 2026-04-03 16:49:44

○MXmx01.1and1.com2015-06-02 → 2017-04-05 · 4 obs

● 2015-06-02 05:54:44
● 2017-04-05 06:33:48
○ 2026-02-23 09:50:44
○ 2026-04-03 16:49:44

●A104.21.65.1242026-03-30 → 2026-04-03 · 3 obs

○ 2026-03-01 14:19:32
● 2026-03-30 05:18:50
● 2026-04-03 16:49:44

●A172.67.163.522026-03-30 → 2026-04-03 · 3 obs

○ 2026-03-01 14:19:32
● 2026-03-30 05:18:50
● 2026-04-03 16:49:44

○A188.114.96.02026-02-23 → 2026-03-01 · 5 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-03-01 14:19:32
○ 2026-03-30 05:18:50
○ 2026-04-03 16:49:44

○A188.114.97.02026-02-23 → 2026-03-01 · 5 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-03-01 14:19:32
○ 2026-03-30 05:18:50
○ 2026-04-03 16:49:44

●A2606:4700:3032::ac43:a3342026-03-30 → 2026-04-03 · 3 obs

○ 2026-03-01 14:19:32
● 2026-03-30 05:18:50
● 2026-04-03 16:49:44

●A2606:4700:3035::6815:417c2026-03-30 → 2026-04-03 · 3 obs

○ 2026-03-01 14:19:32
● 2026-03-30 05:18:50
● 2026-04-03 16:49:44

○A2a06:98c1:3120::2026-02-23 → 2026-03-01 · 5 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-03-01 14:19:32
○ 2026-03-30 05:18:50
○ 2026-04-03 16:49:44

○A2a06:98c1:3121::2026-02-23 → 2026-03-01 · 5 obs

○ 2017-04-05 06:33:48
● 2026-02-23 09:50:44
● 2026-03-01 14:19:32
○ 2026-03-30 05:18:50
○ 2026-04-03 16:49:44

○A68.169.38.1062015-06-02 → 2017-04-05 · 4 obs

● 2015-06-02 05:54:44
● 2017-04-05 06:33:48
○ 2026-02-23 09:50:44
○ 2026-04-03 16:49:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51zidian.com	josh.ns.cloudflare.com, annalise.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.126

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51zidian.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.124, 172.67.163.52`
AAAA	2	`2606:4700:3032::ac43:a334, 2606:4700:3035::6815:417c`
NS	2	`annalise.ns.cloudflare.com, josh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`annalise.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

The parent of www.51zidian.com is 51zidian.com.

IP Addresses

51zidian.com resolves to four IP numbers: 2606:4700:3032::ac43:a334, 2606:4700:3035::6815:417c, 104.21.65.124 and 172.67.163.52.

Other host names such as storii.vn, cdn-0.near-place.com, thewhalehunters.com, gfe.eu and 24hbook.com share IPs with 51zidian.com.

Name Servers

51zidian.com is delegated to two name servers: annalise.ns.cloudflare.com and josh.ns.cloudflare.com.

51zidian.com shares the same name server setup as glaszeitung.at, sternewelt.at, motha.org, sleeppilot.com and gast.at.

51zidian.com at least partially shares name servers with other domains, for instance nhaccountablecare.org, goctopus.com, yxdown.net, zamow-hologram.com and sdzfmymy.com.

These name servers are commonly used together with noah.ns.cloudflare.com, alice.ns.cloudflare.com and lamar.ns.cloudflare.com.

Host names with six IP numbers:

annalise.ns.cloudflare.com points to 2606:4700:50::a29f:26ea, 2803:f800:50::6ca2:c2ea, 2a06:98c1:50::ac40:22ea, 108.162.194.234, 162.159.38.234 and 172.64.34.234.

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.

51zidian.com - robtex.com

51zidian.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

`51zidian.com`

`com`