`21inc.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:223b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9b21^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.59^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.33^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`crystal.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`crystal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`crystal.ns.cloudflare.com`
		A	108.162.194.202^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	162.159.38.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	172.64.34.202^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
NS	`thaddeus.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thaddeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thaddeus.ns.cloudflare.com`
		A	108.162.195.127^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-108-162-195-127.defastlink.net`
		A	162.159.44.127^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-44-127.defastlink.net`
		A	172.64.35.127^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-35-127.defastlink.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.59, 172.67.155.33
		IPv6 hints	2606:4700:3030::6815:223b, 2606:4700:3035::ac43:9b21
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOA	`crystal.ns.cloudflare.com`dns@cloudflare.com serial=2398192382

`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=1776235692

Previously MX for

21inc.net

Same first word

21inc.com

21inc.net

21inc.co.jp

Similar names

21nic.com

21cni.com

inc21.com

12inc.it

12inc.co

cin21.com

DNS History

18 records (6 active, 12 former)

●NScrystal.ns.cloudflare.com2026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

○NSdns1.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○NSdns2.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○NSssdns11.poweruphosting.com2018-01-28 → 2018-01-28 · 4 obs

○ 2017-01-03 19:32:48
● 2018-01-28 07:21:06
○ 2026-04-09 11:24:52
○ 2026-04-15 07:01:38

○NSssdns12.poweruphosting.com2018-01-28 → 2018-01-28 · 4 obs

○ 2017-01-03 19:32:48
● 2018-01-28 07:21:06
○ 2026-04-09 11:24:52
○ 2026-04-15 07:01:38

●NSthaddeus.ns.cloudflare.com2026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

○MX21inc.net2018-01-28 → 2018-01-28 · 4 obs

○ 2017-01-03 19:32:48
● 2018-01-28 07:21:06
○ 2026-04-09 11:24:52
○ 2026-04-15 07:01:38

○MXeforward1.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○MXeforward2.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○MXeforward3.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○MXeforward4.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

○MXeforward5.registrar-servers.com2017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

●A104.21.34.592026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

●A172.67.155.332026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

○A185.212.201.982018-01-28 → 2018-01-28 · 4 obs

○ 2017-01-03 19:32:48
● 2018-01-28 07:21:06
○ 2026-04-09 11:24:52
○ 2026-04-15 07:01:38

●A2606:4700:3030::6815:223b2026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

●A2606:4700:3035::ac43:9b212026-04-09 → 2026-04-15 · 3 obs

○ 2018-01-28 07:21:06
● 2026-04-09 11:24:52
● 2026-04-15 07:01:38

○A45.32.222.852017-01-03 → 2017-01-03 · 3 obs

● 2017-01-03 19:32:48
○ 2018-01-28 07:21:06
○ 2026-04-15 07:01:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...	-
21inc.net	crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.127

NS records: crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.33, 104.21.34.59`
AAAA	2	`2606:4700:3035::ac43:9b21, 2606:4700:3030::6815:223b`
NS	2	`crystal.ns.cloudflare.com, thaddeus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`crystal.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

21inc.net maps to four IP numbers: 2606:4700:3030::6815:223b, 2606:4700:3035::ac43:9b21, 104.21.34.59 and 172.67.155.33.

Other host names, for instance pinco-kazino-qazaqstan.kz, czppremium.com.br, siyzo.com.np, activemindtherapy.com and watch4ya.it.com share IP numbers with 21inc.net.

Name Servers

Two name servers crystal.ns.cloudflare.com and thaddeus.ns.cloudflare.com are delegated to 21inc.net.

21inc.net uses the same name server configuration as other domains, such as hxhcxx.com, suvnews.net, zhwslm.com, yumingzhai.cn and jxchunlan.com.

21inc.net at least partially shares name servers with other domains such as 8980.co, caitmrtk.win, gameorb.com.vn, moovment.co.uk and magicandmisadventures.com.

These name servers are commonly used with apollo.ns.cloudflare.com and sydney.ns.cloudflare.com.

Host names with six IP numbers: Host name crystal.ns.cloudflare.com points to 2606:4700:50::a29f:26ca, 2803:f800:50::6ca2:c2ca, 2a06:98c1:50::ac40:22ca, 108.162.194.202, 162.159.38.202 and 172.64.34.202; host name thaddeus.ns.cloudflare.com points to 2606:4700:58::a29f:2c7f, 2803:f800:50::6ca2:c37f, 2a06:98c1:50::ac40:237f, 108.162.195.127, 162.159.44.127 and 172.64.35.127.

21inc.net - robtex.com

21inc.net

net

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`21inc.net`

`net`