21720.net - robtex.com

21720.net

DNSSEC⚠️ Not signed
NSariadne.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::a29f:26e1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRariadne.ns.cloudflare.com
A2803:f800:50::6ca2:c2e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRariadne.ns.cloudflare.com
A2a06:98c1:50::ac40:22e1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRariadne.ns.cloudflare.com
A108.162.194.225🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRariadne.ns.cloudflare.com
A162.159.38.225Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRariadne.ns.cloudflare.com
A172.64.34.225🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRariadne.ns.cloudflare.com
NSneil.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::adf5:3bd3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A2803:f800:50::6ca2:c1d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRneil.ns.cloudflare.com
A2a06:98c1:50::ac40:21d3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRneil.ns.cloudflare.com
A108.162.193.211🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A172.64.33.211🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A173.245.59.211🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com

net

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=1776108802

Same first word

21720.us
21720.net

Similar names

10722.com
10722.net
72120.us
72120.cn
22710.us
27210.gr
12072.com
70221.cn
02721.cn
02712.us
20271.cn
27012.de
02127.com
17220.com
02172.com
72210.com
20127.com
12270.com
07122.com
17220.us
20271.loan
12207.com
12027.com
01272.com
72201.com
72201.us
17202.us
21072.cc
20271.de
12270.ph
70221.com
12207.de
01227.us
10272.my
71220.cn
71220.com
02721.cc
17022.us
22017.cn
21027.com
72120.com
22710.de
10272.com
20172.com
72012.cc

DNS History

11 records (2 active, 9 former)

20162017201820192020202120222023202420252026NSariadne.ns.cloudflare.comneil.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comA104.148.25.39104.148.25.5498.124.198.198.124.199.1
●NSariadne.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2015-07-04 18:37:50
● 2026-04-09 02:36:40
● 2026-04-13 19:34:02
○NSdns1.name-services.com2015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○NSdns2.name-services.com2015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○NSdns3.name-services.com2015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○NSdns4.name-services.com2015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○NSdns5.name-services.com2015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
●NSneil.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2015-07-04 18:37:50
● 2026-04-09 02:36:40
● 2026-04-13 19:34:02
○A104.148.25.392017-05-15 → 2017-05-15 · 4 obs
○ 2015-07-04 18:37:50
● 2017-05-15 12:08:04
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○A104.148.25.542017-05-15 → 2017-05-15 · 4 obs
○ 2015-07-04 18:37:50
● 2017-05-15 12:08:04
○ 2026-04-09 02:36:40
○ 2026-04-13 19:34:02
○A98.124.198.12015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2017-05-15 12:08:04
○ 2026-04-13 19:34:02
○A98.124.199.12015-07-04 → 2015-07-04 · 3 obs
● 2015-07-04 18:37:50
○ 2017-05-15 12:08:04
○ 2026-04-13 19:34:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21720.netneil.ns.cloudflare.com, ariadne.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.225

NS records: neil.ns.cloudflare.com, ariadne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21720.net (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

21720.net is delegated to two name servers ariadne.ns.cloudflare.com and neil.ns.cloudflare.com.

21720.net shares the same name server setup as other domains, for instance infortop.com, 50063.net, 31174.net, ekolinc.com and 94233.net.

21720.net at least partially shares name servers with other domains, for instance myarunachal.com, move-co.jp, bcg-protect.pro, vacationpeople.net and woomy.online.

these name servers are often used together with fay.ns.cloudflare.com, adi.ns.cloudflare.com, anderson.ns.cloudflare.com and yadiel.ns.cloudflare.com.

Host names with six IP numbers:

Host name ariadne.ns.cloudflare.com points to: 2606:4700:50::a29f:26e1, 2803:f800:50::6ca2:c2e1, 2a06:98c1:50::ac40:22e1, 108.162.194.225, 162.159.38.225 and 172.64.34.225.

Host name neil.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd3, 2803:f800:50::6ca2:c1d3, 2a06:98c1:50::ac40:21d3, 108.162.193.211, 172.64.33.211 and 173.245.59.211.