21bit.org - dns.ninja

21bit.org

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2ed0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:8e18🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.208Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.24🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSholly.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2685🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRholly.ns.cloudflare.com
A2803:f800:50::6ca2:c285🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRholly.ns.cloudflare.com
A2a06:98c1:50::ac40:2285🇺🇸 Cloudflare2a06:98c1:50::/45
PTRholly.ns.cloudflare.com
A108.162.194.133🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRholly.ns.cloudflare.com
A162.159.38.133Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRholly.ns.cloudflare.com
A172.64.34.133🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRholly.ns.cloudflare.com
NSjay.ns.cloudflare.com
A2606:4700:58::adf5:3b7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A2803:f800:50::6ca2:c17b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjay.ns.cloudflare.com
A2a06:98c1:50::ac40:217b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjay.ns.cloudflare.com
A108.162.193.123🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A172.64.33.123🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A173.245.59.123🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
TXTgoogle-site-verification=vijuBA_o_9mhsd9HxoBI1V3Ksi96p15UuONG0AIRk9g
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.46.208, 172.67.142.24
IPv6 hints2606:4700:3031::6815:2ed0, 2606:4700:3034::ac43:8e18
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOAholly.ns.cloudflare.comdns@cloudflare.com serial=2410646197

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785429125

Same first word

21bit.info
21bit.cn
21bit.com
21bit.org

Similar names

12bit.vn
b12it.com
itb21.net
bit12.com
bit21.net
12bit.net
12bit.com
b12ti.com
bit12.xyz
itb21.co.kr
12bit.ru
12bit.club
12bit.eu
1bit2.com

DNS History

23 records (6 active, 17 former)

20162017201820192020202120222023202420252026NSholly.ns.cloudflare.comjay.ns.cloudflare.comdns1.yandex.netdns2.yandex.netkurt.ns.cloudflare.comnaomi.ns.cloudflare.comns1.parkingcrew.netns2.parkingcrew.netMXexchange.dewile.netmx.yandex.ruA104.21.46.208172.67.142.242606:4700:3031::6815:2ed02606:4700:3034::ac43:8e18185.53.177.6185.53.177.8188.114.96.0188.114.97.02606:4700:3031::ac43:8e182606:4700:3034::6815:2ed02a06:98c1:3120::2a06:98c1:3121::37.48.77.205
○NSdns1.yandex.net2015-08-14 → 2015-11-30 · 4 obs
● 2015-08-14 22:40:12
● 2015-11-30 20:02:22
○ 2016-03-03 05:55:44
○ 2026-07-30 16:41:38
○NSdns2.yandex.net2015-08-14 → 2015-11-30 · 4 obs
● 2015-08-14 22:40:12
● 2015-11-30 20:02:22
○ 2016-03-03 05:55:44
○ 2026-07-30 16:41:38
●NSholly.ns.cloudflare.com2026-07-11 → 2026-07-30 · 3 obs
○ 2026-05-09 08:39:44
● 2026-07-11 04:05:36
● 2026-07-30 16:41:38
●NSjay.ns.cloudflare.com2026-07-11 → 2026-07-30 · 3 obs
○ 2026-05-09 08:39:44
● 2026-07-11 04:05:36
● 2026-07-30 16:41:38
○NSkurt.ns.cloudflare.com2026-02-25 → 2026-05-09 · 5 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-05-09 08:39:44
○ 2026-07-11 04:05:36
○ 2026-07-30 16:41:38
○NSnaomi.ns.cloudflare.com2026-02-25 → 2026-05-09 · 5 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-05-09 08:39:44
○ 2026-07-11 04:05:36
○ 2026-07-30 16:41:38
○NSns1.parkingcrew.net2016-03-03 → 2016-06-28 · 5 obs
○ 2015-11-30 20:02:22
● 2016-03-03 05:55:44
● 2016-06-28 02:53:18
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○NSns2.parkingcrew.net2016-03-03 → 2016-06-28 · 5 obs
○ 2015-11-30 20:02:22
● 2016-03-03 05:55:44
● 2016-06-28 02:53:18
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○MXexchange.dewile.net2016-03-03 → 2016-06-28 · 5 obs
○ 2015-11-30 20:02:22
● 2016-03-03 05:55:44
● 2016-06-28 02:53:18
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○MXmx.yandex.ru2015-08-14 → 2015-11-30 · 4 obs
● 2015-08-14 22:40:12
● 2015-11-30 20:02:22
○ 2016-03-03 05:55:44
○ 2026-07-30 16:41:38
●A104.21.46.2082026-02-25 → 2026-07-30 · 3 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-07-30 16:41:38
●A172.67.142.242026-02-25 → 2026-07-30 · 3 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-07-30 16:41:38
○A185.53.177.62016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-03 05:55:44
● 2016-06-28 02:53:18
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○A185.53.177.82016-03-03 → 2016-03-03 · 4 obs
○ 2015-11-30 20:02:22
● 2016-03-03 05:55:44
○ 2016-06-28 02:53:18
○ 2026-07-30 16:41:38
○A188.114.96.02026-02-25 → 2026-07-30 · 2 obs
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○A188.114.97.02026-02-25 → 2026-07-30 · 2 obs
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
●A2606:4700:3031::6815:2ed02026-07-11 → 2026-07-30 · 3 obs
○ 2026-05-09 08:39:44
● 2026-07-11 04:05:36
● 2026-07-30 16:41:38
○A2606:4700:3031::ac43:8e182026-02-25 → 2026-05-09 · 5 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-05-09 08:39:44
○ 2026-07-11 04:05:36
○ 2026-07-30 16:41:38
○A2606:4700:3034::6815:2ed02026-02-25 → 2026-05-09 · 5 obs
○ 2016-06-28 02:53:18
● 2026-02-25 20:24:58
● 2026-05-09 08:39:44
○ 2026-07-11 04:05:36
○ 2026-07-30 16:41:38
●A2606:4700:3034::ac43:8e182026-07-11 → 2026-07-30 · 3 obs
○ 2026-05-09 08:39:44
● 2026-07-11 04:05:36
● 2026-07-30 16:41:38
○A2a06:98c1:3120::2026-02-25 → 2026-07-30 · 2 obs
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○A2a06:98c1:3121::2026-02-25 → 2026-07-30 · 2 obs
○ 2026-02-25 20:24:58
○ 2026-07-30 16:41:38
○A37.48.77.2052015-08-14 → 2015-11-30 · 4 obs
● 2015-08-14 22:40:12
● 2015-11-30 20:02:22
○ 2016-03-03 05:55:44
○ 2026-07-30 16:41:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
21bit.orgjay.ns.cloudflare.com, holly.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.133

NS records: jay.ns.cloudflare.com, holly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21bit.org (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.24, 104.21.46.208
AAAA22606:4700:3034::ac43:8e18, 2606:4700:3031::6815:2ed0
NS2holly.ns.cloudflare.com, jay.ns.cloudflare.com
TXT1google-site-verification=vijuBA_o_9mhsd9
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1holly.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

21bit.org directs to four IP numbers, which are 104.21.46.208, 172.67.142.24, 2606:4700:3031::6815:2ed0 and 2606:4700:3034::ac43:8e18.

xw32.cn, intramail.ru, htdsk.com plus two other host names have IP numbers in common with 21bit.org.

Name Servers

The NS records for 21bit.org delegate to holly.ns.cloudflare.com and jay.ns.cloudflare.com.

The name server configuration of 21bit.org is shared with other domains, for instance senceapp.com, inh.workers.dev, ritzo.com and two others.

At least some of 21bit.org's name servers are shared with other domains, for example kyle.io, hotel-muenster.de, 200044.xyz and two more.

These name servers tend to be used in conjunction with the name servers gannon.ns.cloudflare.com.

Hosts with 6 IP addresses each:

holly.ns.cloudflare.com maps to 108.162.194.133, 162.159.38.133, 172.64.34.133 and 3 additional IP addresses.

jay.ns.cloudflare.com maps to 108.162.193.123, 172.64.33.123, 173.245.59.123 and 3 additional IP addresses.