code21cn.com - dns.ninja

`code21cn.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5465^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bf0e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.101^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.14^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dean.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c199^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dean.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2199^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dean.ns.cloudflare.com`
		A	108.162.193.153^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	172.64.33.153^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
		A	173.245.59.153^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dean.ns.cloudflare.com`
NS	`rose.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rose.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rose.ns.cloudflare.com`
		A	108.162.192.141^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	172.64.32.141^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	173.245.58.141^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.101, 172.67.191.14
		IPv6 hints	2606:4700:3033::6815:5465, 2606:4700:3037::ac43:bf0e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com
SOA	`dean.ns.cloudflare.com`dns@cloudflare.com serial=2406281136

`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=1783663027

Same first word

code21cn.com

DNS History

11 records (6 active, 5 former)

●NSdean.ns.cloudflare.com2026-03-03 → 2026-07-10 · 3 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
● 2026-07-10 05:59:54

○NSns1.dsredirection.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 06:19:22
○ 2015-11-09 09:30:54
○ 2026-07-10 05:59:54

○NSns2.dsredirection.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 06:19:22
○ 2015-11-09 09:30:54
○ 2026-07-10 05:59:54

●NSrose.ns.cloudflare.com2026-03-03 → 2026-07-10 · 3 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
● 2026-07-10 05:59:54

●A104.21.84.1012026-03-03 → 2026-07-10 · 3 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
● 2026-07-10 05:59:54

●A172.67.191.142026-03-03 → 2026-07-10 · 3 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
● 2026-07-10 05:59:54

○A208.73.212.122008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 06:19:22
○ 2015-11-09 09:30:54
○ 2026-07-10 05:59:54

●A2606:4700:3033::6815:54652026-07-08 → 2026-07-10 · 3 obs

○ 2026-03-03 08:12:40
● 2026-07-08 08:59:48
● 2026-07-10 05:59:54

○A2606:4700:3033::ac43:bf0e2026-03-03 → 2026-03-03 · 4 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
○ 2026-07-08 08:59:48
○ 2026-07-10 05:59:54

○A2606:4700:3034::6815:54652026-03-03 → 2026-03-03 · 4 obs

○ 2015-11-09 09:30:54
● 2026-03-03 08:12:40
○ 2026-07-08 08:59:48
○ 2026-07-10 05:59:54

●A2606:4700:3037::ac43:bf0e2026-07-08 → 2026-07-10 · 3 obs

○ 2026-03-03 08:12:40
● 2026-07-08 08:59:48
● 2026-07-10 05:59:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
code21cn.com	rose.ns.cloudflare.com, dean.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.141

NS records: rose.ns.cloudflare.com, dean.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for code21cn.com (unsigned zone)

⏱️ Timing

Total: 1374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.14, 104.21.84.101`
AAAA	2	`2606:4700:3037::ac43:bf0e, 2606:4700:3033::6815:5465`
NS	2	`dean.ns.cloudflare.com, rose.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dean.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

code21cn.com resolves to four IP addresses: 104.21.84.101, 172.67.191.14, 2606:4700:3033::6815:5465 and 2606:4700:3037::ac43:bf0e.

Two other host names, along with pompanobeachwatersports.com, emmanuelpottstown.org and whitehop.com, also share IP numbers with code21cn.com.

Name Servers

code21cn.com has two authoritative name servers — dean.ns.cloudflare.com and rose.ns.cloudflare.com.

code21cn.com shares its NS records with other domains, for example wanyangmao.com, warnetqq.net, rock-tumblers.com and two others.

code21cn.com shares at least some of its name servers with other domains, including gracioso.net, todossantosmusicfestival.com, 2lamour.net and two others.

These name servers are frequently paired with the name servers steven.ns.cloudflare.com and diva.ns.cloudflare.com.

DNS names with 6 IP addresses:

dean.ns.cloudflare.com points to 108.162.193.153, 172.64.33.153, 173.245.59.153 and 3 other IP addresses.

rose.ns.cloudflare.com points to 108.162.192.141, 172.64.32.141, 173.245.58.141 and 3 other IP addresses.