21three.com - robtex.com

21three.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:bd32🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:957🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.87Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.50🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchloe.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a55🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchloe.ns.cloudflare.com
A2803:f800:50::6ca2:c055🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchloe.ns.cloudflare.com
A2a06:98c1:50::ac40:2055🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchloe.ns.cloudflare.com
A108.162.192.85🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchloe.ns.cloudflare.com
A172.64.32.85🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchloe.ns.cloudflare.com
A173.245.58.85🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchloe.ns.cloudflare.com
NSjonah.ns.cloudflare.com
A2606:4700:58::adf5:3bba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A2803:f800:50::6ca2:c1ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjonah.ns.cloudflare.com
A2a06:98c1:50::ac40:21ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjonah.ns.cloudflare.com
A108.162.193.186🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A172.64.33.186🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A173.245.59.186🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.9.87, 172.67.189.50
IPv62606:4700:3033::ac43:bd32, 2606:4700:3036::6815:957
SOAchloe.ns.cloudflare.comdns@cloudflare.com serial=2399383873

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774380302

Same first word

21three.com

Similar names

three12.com
three12.myshopify.com
12three.com.au
12three.com
three21.com
three21.net

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSchloe.ns.cloudflare.comjonah.ns.cloudflare.coma.share-dns.coma2.share-dns.comb.share-dns.netb2.share-dns.netns.hosteurope.comns2.hosteurope.comMXmx0.123-reg.co.ukmx1.123-reg.co.ukA104.21.9.87172.67.189.502606:4700:3033::ac43:bd322606:4700:3036::6815:95738.14.115.17881.21.76.62
○NSa.share-dns.com2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:03:44
○ 2026-03-24 19:26:54
○NSa2.share-dns.com2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:03:44
○ 2026-03-24 19:26:54
○NSb.share-dns.net2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:03:44
○ 2026-03-24 19:26:54
○NSb2.share-dns.net2026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:03:44
○ 2026-03-24 19:26:54
●NSchloe.ns.cloudflare.com2026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
●NSjonah.ns.cloudflare.com2026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
○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
○ 2026-03-24 19:26:54
○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
○ 2026-03-24 19:26:54
○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
○ 2026-03-24 19:26:54
○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
○ 2026-03-24 19:26:54
●A104.21.9.872026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
●A172.67.189.502026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
●A2606:4700:3033::ac43:bd322026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
●A2606:4700:3036::6815:9572026-03-22 → 2026-03-24 · 3 obs
○ 2017-02-03 04:22:46
● 2026-03-22 09:03:44
● 2026-03-24 19:26:54
○A38.14.115.1782026-03-22 → 2026-03-24 · 2 obs
○ 2026-03-22 09:03:44
○ 2026-03-24 19:26:54
○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
○ 2026-03-24 19:26:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21three.comchloe.ns.cloudflare.com, jonah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.186

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: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.9.87, 172.67.189.50
AAAA22606:4700:3036::6815:957, 2606:4700:3033::ac43:bd32
NS2chloe.ns.cloudflare.com, jonah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chloe.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 points to four IP numbers: 2606:4700:3033::ac43:bd32, 2606:4700:3036::6815:957, 104.21.9.87 and 172.67.189.50.

Other host names including sitelending.com, mail.freizeit-sport-fitness.de, itssept.com, utsconfessions.com and d4dlaunch.eu share IP numbers with 21three.com.

Name Servers

21three.com's delegation uses two name servers, chloe.ns.cloudflare.com and jonah.ns.cloudflare.com.

21three.com shares the same name server setup as other domains, for example hb178.com, stampanddeliver.com, dauntlessph.com, 321y.net and jcmir.com.

21three.com at least partially shares name servers with other domains, including websi.co, freedomlabels.com, myallbox.com, cekilix.com and lifeinsys.com.

These name servers are commonly used with robert.ns.cloudflare.com and carl.ns.cloudflare.com.

Host names with six IP numbers:

chloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a55, 2803:f800:50::6ca2:c055, 2a06:98c1:50::ac40:2055, 108.162.192.85, 172.64.32.85 and 173.245.58.85.

jonah.ns.cloudflare.com points to: 2606:4700:58::adf5:3bba, 2803:f800:50::6ca2:c1ba, 2a06:98c1:50::ac40:21ba, 108.162.193.186, 172.64.33.186 and 173.245.59.186.