21three.com - dns.ninja

`21three.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:957^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:bd32^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.9.87^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.189.50^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c055^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2055^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chloe.ns.cloudflare.com`
		A	108.162.192.85^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	172.64.32.85^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
		A	173.245.58.85^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chloe.ns.cloudflare.com`
NS	`jonah.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jonah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jonah.ns.cloudflare.com`
		A	108.162.193.186^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	172.64.33.186^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
		A	173.245.59.186^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jonah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.9.87, 172.67.189.50
		IPv6 hints	2606:4700:3034::6815:957, 2606:4700:3035::ac43:bd32
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`chloe.ns.cloudflare.com`dns@cloudflare.com serial=2409477625

`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=1786458289

Same first word

21three.com

Similar names

three12.com

three12.myshopify.com

12three.com.au

12three.com

three21.com

ether21.com

three21.net

DNS History

22 records (6 active, 16 former)

○NSa.share-dns.com2026-03-22 → 2026-08-11 · 2 obs

○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○NSa2.share-dns.com2026-03-22 → 2026-08-11 · 2 obs

○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○NSb.share-dns.net2026-03-22 → 2026-08-11 · 2 obs

○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○NSb2.share-dns.net2026-03-22 → 2026-08-11 · 2 obs

○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

●NSchloe.ns.cloudflare.com2026-03-22 → 2026-08-11 · 3 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-08-11 14:46:06

●NSjonah.ns.cloudflare.com2026-03-22 → 2026-08-11 · 3 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-08-11 14:46:06

○NSns.hosteurope.com2015-06-19 → 2017-02-03 · 4 obs

● 2015-06-19 12:16:26
● 2017-02-03 04:22:46
○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○NSns2.hosteurope.com2015-06-19 → 2017-02-03 · 4 obs

● 2015-06-19 12:16:26
● 2017-02-03 04:22:46
○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○MXmx0.123-reg.co.uk2015-06-19 → 2017-02-03 · 4 obs

● 2015-06-19 12:16:26
● 2017-02-03 04:22:46
○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○MXmx1.123-reg.co.uk2015-06-19 → 2017-02-03 · 4 obs

● 2015-06-19 12:16:26
● 2017-02-03 04:22:46
○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

●A104.21.9.872026-03-22 → 2026-08-11 · 8 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-04-13 03:54:12
○ 2026-04-24 19:03:56
● 2026-05-29 16:06:00
○ 2026-06-15 11:37:54
● 2026-07-17 10:37:30
● 2026-08-11 14:46:06

●A172.67.189.502026-03-22 → 2026-08-11 · 8 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-04-13 03:54:12
○ 2026-04-24 19:03:56
● 2026-05-29 16:06:00
○ 2026-06-15 11:37:54
● 2026-07-17 10:37:30
● 2026-08-11 14:46:06

○A188.114.96.02026-04-24 → 2026-06-15 · 6 obs

○ 2026-04-13 03:54:12
● 2026-04-24 19:03:56
○ 2026-05-29 16:06:00
● 2026-06-15 11:37:54
○ 2026-07-17 10:37:30
○ 2026-08-11 14:46:06

○A188.114.97.02026-04-24 → 2026-06-15 · 6 obs

○ 2026-04-13 03:54:12
● 2026-04-24 19:03:56
○ 2026-05-29 16:06:00
● 2026-06-15 11:37:54
○ 2026-07-17 10:37:30
○ 2026-08-11 14:46:06

○A2606:4700:3033::ac43:bd322026-03-22 → 2026-05-29 · 7 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-04-13 03:54:12
○ 2026-04-24 19:03:56
● 2026-05-29 16:06:00
○ 2026-06-15 11:37:54
○ 2026-08-11 14:46:06

●A2606:4700:3034::6815:9572026-07-17 → 2026-08-11 · 3 obs

○ 2026-06-15 11:37:54
● 2026-07-17 10:37:30
● 2026-08-11 14:46:06

●A2606:4700:3035::ac43:bd322026-07-17 → 2026-08-11 · 3 obs

○ 2026-06-15 11:37:54
● 2026-07-17 10:37:30
● 2026-08-11 14:46:06

○A2606:4700:3036::6815:9572026-03-22 → 2026-05-29 · 7 obs

○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-04-13 03:54:12
○ 2026-04-24 19:03:56
● 2026-05-29 16:06:00
○ 2026-06-15 11:37:54
○ 2026-08-11 14:46:06

○A2a06:98c1:3120::2026-04-24 → 2026-06-15 · 6 obs

○ 2026-04-13 03:54:12
● 2026-04-24 19:03:56
○ 2026-05-29 16:06:00
● 2026-06-15 11:37:54
○ 2026-07-17 10:37:30
○ 2026-08-11 14:46:06

○A2a06:98c1:3121::2026-04-24 → 2026-06-15 · 6 obs

○ 2026-04-13 03:54:12
● 2026-04-24 19:03:56
○ 2026-05-29 16:06:00
● 2026-06-15 11:37:54
○ 2026-07-17 10:37:30
○ 2026-08-11 14:46:06

○A38.14.115.1782026-03-22 → 2026-08-11 · 2 obs

○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

○A81.21.76.622015-06-19 → 2017-02-03 · 4 obs

● 2015-06-19 12:16:26
● 2017-02-03 04:22:46
○ 2026-03-22 09:03:44
○ 2026-08-11 14:46:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
21three.com	chloe.ns.cloudflare.com, jonah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.85

NS records: chloe.ns.cloudflare.com, jonah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21three.com (unsigned zone)

⏱️ Timing

Total: 282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.189.50, 104.21.9.87`
AAAA	2	`2606:4700:3034::6815:957, 2606:4700:3035::ac43:bd32`
NS	2	`chloe.ns.cloudflare.com, jonah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chloe.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21three.com resolves to four IP addresses: 104.21.9.87, 172.67.189.50, 2606:4700:3034::6815:957 and 2606:4700:3035::ac43:bd32.

Among the host names that share IP numbers with 21three.com are itssept.com, d4dlaunch.eu, iqbalweb.co.uk and two others.

Name Servers

DNS delegation for 21three.com points to two name servers: chloe.ns.cloudflare.com and jonah.ns.cloudflare.com.

21three.com has the same name server delegation as a number of other domains, such as feiyunkaiguan.com, sockssniffing.com, jowlat.com and two more.

21three.com shares at least some of its name servers with other domains, including sanfranciscohairsurgeon.com, websi.co, webdescent.com and two others.

These name servers are frequently seen alongside the name servers robert.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

chloe.ns.cloudflare.com has IP addresses 108.162.192.85, 172.64.32.85 and 173.245.58.85, plus 3 other.

jonah.ns.cloudflare.com has IP addresses 108.162.193.186, 172.64.33.186 and 173.245.59.186, plus 3 other.