21bitcoin.io - robtex.com

21bitcoin.io

DNSSEC⚠️ Not signed
NSchristian.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cf7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A2803:f800:50::6ca2:c3f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchristian.ns.cloudflare.com
A2a06:98c1:50::ac40:23f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchristian.ns.cloudflare.com
A108.162.195.247🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A162.159.44.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
A172.64.35.247🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchristian.ns.cloudflare.com
NSmacy.ns.cloudflare.com
A2606:4700:50::a29f:264e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A2803:f800:50::6ca2:c24e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmacy.ns.cloudflare.com
A2a06:98c1:50::ac40:224e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmacy.ns.cloudflare.com
A108.162.194.78🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A162.159.38.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A172.64.34.78🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
SOAchristian.ns.cloudflare.comdns@cloudflare.com serial=2403869181

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1778426300
⚠️ On DNS blocklist: tif

Same first word

21bitcoin.app
21bitcoin.ch
21bitcoin.xyz
21bitcoin.io
21bitcoin.eu
21bitcoin.com

Similar names

1bit2coin.com
bitcoin21.org
bitcoin21.shop

DNS History

11 records (2 active, 9 former)

201820192020202120222023202420252026NSchristian.ns.cloudflare.commacy.ns.cloudflare.comns1.de1.fcomet.comns1.onlydomains.comns2.de1.fcomet.comns2.onlydomains.comns3.onlydomains.comMXde1.fcomet.commail.21bitcoin.ioA198.50.252.6585.90.245.58
●NSchristian.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs
○ 2019-03-24 11:46:34
● 2026-05-06 15:13:26
● 2026-05-10 15:44:26
●NSmacy.ns.cloudflare.com2026-05-06 → 2026-05-10 · 3 obs
○ 2019-03-24 11:46:34
● 2026-05-06 15:13:26
● 2026-05-10 15:44:26
○NSns1.de1.fcomet.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 19:44:44
○ 2019-03-24 11:46:34
○ 2026-05-10 15:44:26
○NSns1.onlydomains.com2019-03-24 → 2019-03-24 · 4 obs
○ 2017-02-09 19:44:44
● 2019-03-24 11:46:34
○ 2026-05-06 15:13:26
○ 2026-05-10 15:44:26
○NSns2.de1.fcomet.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 19:44:44
○ 2019-03-24 11:46:34
○ 2026-05-10 15:44:26
○NSns2.onlydomains.com2019-03-24 → 2019-03-24 · 4 obs
○ 2017-02-09 19:44:44
● 2019-03-24 11:46:34
○ 2026-05-06 15:13:26
○ 2026-05-10 15:44:26
○NSns3.onlydomains.com2019-03-24 → 2019-03-24 · 4 obs
○ 2017-02-09 19:44:44
● 2019-03-24 11:46:34
○ 2026-05-06 15:13:26
○ 2026-05-10 15:44:26
○MXde1.fcomet.com2017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 19:44:44
○ 2019-03-24 11:46:34
○ 2026-05-10 15:44:26
○MXmail.21bitcoin.io2019-03-24 → 2019-03-24 · 4 obs
○ 2017-02-09 19:44:44
● 2019-03-24 11:46:34
○ 2026-05-06 15:13:26
○ 2026-05-10 15:44:26
○A198.50.252.652019-03-24 → 2019-03-24 · 4 obs
○ 2017-02-09 19:44:44
● 2019-03-24 11:46:34
○ 2026-05-06 15:13:26
○ 2026-05-10 15:44:26
○A85.90.245.582017-02-09 → 2017-02-09 · 3 obs
● 2017-02-09 19:44:44
○ 2019-03-24 11:46:34
○ 2026-05-10 15:44:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, b0.nic.io, a2.nic.io, c0.nic.io-
21bitcoin.iomacy.ns.cloudflare.com, christian.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.78

NS records: macy.ns.cloudflare.com, christian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21bitcoin.io (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

TypeCountSample Data
NS2christian.ns.cloudflare.com, macy.ns.cloudflare.com
SOA1christian.ns.cloudflare.com dns.cloudfla

Analysis

Name Servers

21bitcoin.io has two name servers: christian.ns.cloudflare.com and macy.ns.cloudflare.com.

21bitcoin.io shares the same name server setup as other domains, for example sunnydale.edu.bd, 21bitcoin.app, ranaharoni.com, rileyapp.com and stuartbank.com.

21bitcoin.io shares some name servers with other domains, for example pooraudiophile.com, lemek.ca, forever.red, bhfhcl.com and zg88.cn.

These name servers are commonly used with sage.ns.cloudflare.com, mallory.ns.cloudflare.com, bingo.ns.cloudflare.com, nelly.ns.cloudflare.com and indie.ns.cloudflare.com.

Host names with six IP numbers: christian.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf7, 2803:f800:50::6ca2:c3f7, 2a06:98c1:50::ac40:23f7, 108.162.195.247, 162.159.44.247 and 172.64.35.247; macy.ns.cloudflare.com points to: 2606:4700:50::a29f:264e, 2803:f800:50::6ca2:c24e, 2a06:98c1:50::ac40:224e, 108.162.194.78, 162.159.38.78 and 172.64.34.78.