21codes.net - dns.ninja

`21codes.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:81ec^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1d0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.208^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.129.236^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`glen.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`glen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`glen.ns.cloudflare.com`
		A	108.162.193.169^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	172.64.33.169^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
		A	173.245.59.169^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`glen.ns.cloudflare.com`
NS	`ligia.ns.cloudflare.com`
		A	2606:4700:50::a29f:2604^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c204^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ligia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2204^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ligia.ns.cloudflare.com`
		A	108.162.194.4^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	162.159.38.4^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
		A	172.64.34.4^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ligia.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.208, 172.67.129.236
		IPv6 hints	2606:4700:3032::ac43:81ec, 2606:4700:3037::6815:1d0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=106, name=cloudflare-ech.com
SOA	`glen.ns.cloudflare.com`dns@cloudflare.com serial=2410346098

`net`

	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=1785255437

Same first word

21codes.net

21codes.com

Similar names

12codes.ru

12codes.com

DNS History

9 records (6 active, 3 former)

○NSdns10.hichina.com2015-11-03 → 2017-06-29 · 4 obs

● 2015-11-03 18:14:26
● 2017-06-29 03:17:24
○ 2026-02-14 19:47:24
○ 2026-07-28 16:38:22

○NSdns9.hichina.com2015-11-03 → 2017-06-29 · 4 obs

● 2015-11-03 18:14:26
● 2017-06-29 03:17:24
○ 2026-02-14 19:47:24
○ 2026-07-28 16:38:22

●NSglen.ns.cloudflare.com2026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

●NSligia.ns.cloudflare.com2026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

●A104.21.1.2082026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

○A121.40.118.1422015-11-03 → 2017-06-29 · 4 obs

● 2015-11-03 18:14:26
● 2017-06-29 03:17:24
○ 2026-02-14 19:47:24
○ 2026-07-28 16:38:22

●A172.67.129.2362026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

●A2606:4700:3032::ac43:81ec2026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

●A2606:4700:3037::6815:1d02026-02-14 → 2026-07-28 · 3 obs

○ 2017-06-29 03:17:24
● 2026-02-14 19:47:24
● 2026-07-28 16:38:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	i.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
21codes.net	glen.ns.cloudflare.com, ligia.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.4

NS records: glen.ns.cloudflare.com, ligia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21codes.net (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.129.236, 104.21.1.208`
AAAA	2	`2606:4700:3032::ac43:81ec, 2606:4700:3037::6815:1d0`
NS	2	`glen.ns.cloudflare.com, ligia.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`glen.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

21codes.net resolves to four IP addresses: 104.21.1.208, 172.67.129.236, 2606:4700:3032::ac43:81ec and 2606:4700:3037::6815:1d0.

atomtrefl.pl, mlkcomputing.com.au, scuolaingleseangloamerican.it and two other host names share IP numbers with 21codes.net.

Name Servers

Two name servers handle the delegation for 21codes.net: glen.ns.cloudflare.com and ligia.ns.cloudflare.com.

21codes.net uses the same name servers as several other domains — among them wxycjlc.net, weiwend.net, ohgooo.com and two more.

21codes.net partially shares its NS delegation with several other domains, including bankguba.cn, 58rocket.com, xnm2023.com and two others.

These name servers often co-occur with the name servers rex.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

glen.ns.cloudflare.com resolves to 108.162.193.169, 172.64.33.169 and 173.245.59.169 among others, with 3 other IP addresses in total.

ligia.ns.cloudflare.com resolves to 108.162.194.4, 162.159.38.4 and 172.64.34.4 among others, with 3 other IP addresses in total.