21bit.info - robtex.com
21bit.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:903🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:82c9🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.9.3Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.130.201🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | holly.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2685🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c285🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2285🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| A | 108.162.194.133🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| A | 162.159.38.133Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| A | 172.64.34.133🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | holly.ns.cloudflare.com | ||||||
| NS | jay.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c17b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:217b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 108.162.193.123🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 172.64.33.123🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| A | 173.245.59.123🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jay.ns.cloudflare.com | ||||||
| TXT | google-site-verification=WBr2ENpNtyE1JGbTPkkImvVrmx97fxd44ljGO7vYVLc | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.9.3, 172.67.130.201 | ||||||
| IPv6 hints | 2606:4700:3032::6815:903, 2606:4700:3036::ac43:82c9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com | ||||||
| SOA | holly.ns.cloudflare.comdns@cloudflare.com serial=2411455583 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1785975789 | ||||||
Same first word
Similar names
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 |
bit21.ai |
12bit.vn |
b12it.com |
DNS History
14 records (6 active, 8 former)
●NSholly.ns.cloudflare.com2026-05-21 → 2026-08-06 · 3 obs
○ 2026-05-09 11:47:18
● 2026-05-21 21:31:22
● 2026-08-06 00:37:18
● 2026-05-21 21:31:22
● 2026-08-06 00:37:18
●NSjay.ns.cloudflare.com2026-05-21 → 2026-08-06 · 3 obs
○ 2026-05-09 11:47:18
● 2026-05-21 21:31:22
● 2026-08-06 00:37:18
● 2026-05-21 21:31:22
● 2026-08-06 00:37:18
○NSkurt.ns.cloudflare.com2026-04-28 → 2026-05-09 · 4 obs
● 2026-04-28 15:12:58
● 2026-05-09 11:47:18
○ 2026-05-21 21:31:22
○ 2026-08-06 00:37:18
● 2026-05-09 11:47:18
○ 2026-05-21 21:31:22
○ 2026-08-06 00:37:18
○NSnaomi.ns.cloudflare.com2026-04-28 → 2026-05-09 · 4 obs
● 2026-04-28 15:12:58
● 2026-05-09 11:47:18
○ 2026-05-21 21:31:22
○ 2026-08-06 00:37:18
● 2026-05-09 11:47:18
○ 2026-05-21 21:31:22
○ 2026-08-06 00:37:18
●A104.21.9.32026-04-28 → 2026-08-06 · 5 obs
● 2026-04-28 15:12:58
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
●A172.67.130.2012026-04-28 → 2026-08-06 · 5 obs
● 2026-04-28 15:12:58
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
○A188.114.96.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-01 23:52:06
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
○A188.114.97.02026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-01 23:52:06
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
●A2606:4700:3032::6815:9032026-08-06 → 2026-08-06 · 3 obs
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
○A2606:4700:3035::ac43:82c92026-04-28 → 2026-06-01 · 4 obs
● 2026-04-28 15:12:58
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
○ 2026-08-06 00:37:18
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
○ 2026-08-06 00:37:18
●A2606:4700:3036::ac43:82c92026-08-06 → 2026-08-06 · 3 obs
○ 2026-06-19 14:43:02
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
● 2026-08-06 00:37:16
● 2026-08-06 00:37:18
○A2606:4700:3037::6815:9032026-04-28 → 2026-06-01 · 4 obs
● 2026-04-28 15:12:58
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
○ 2026-08-06 00:37:18
● 2026-06-01 23:52:06
○ 2026-06-19 14:43:02
○ 2026-08-06 00:37:18
○A2a06:98c1:3120::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-01 23:52:06
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
○A2a06:98c1:3121::2026-06-19 → 2026-06-19 · 4 obs
○ 2026-06-01 23:52:06
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
● 2026-06-19 14:43:02
○ 2026-08-06 00:37:16
○ 2026-08-06 00:37:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| 21bit.info | jay.ns.cloudflare.com, holly.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.133
NS records: jay.ns.cloudflare.com, holly.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21bit.info (unsigned zone)
⏱️ Timing
Total: 472ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.130.201, 104.21.9.3 |
| AAAA | 2 | 2606:4700:3032::6815:903, 2606:4700:3036::ac43:82c9 |
| NS | 2 | holly.ns.cloudflare.com, jay.ns.cloudflare.com |
| TXT | 1 | google-site-verification=WBr2ENpNtyE1JGb |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | holly.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
21bit.info points to the four IP addresses 104.21.9.3, 172.67.130.201, 2606:4700:3032::6815:903 and 2606:4700:3036::ac43:82c9.
Two other host names, along with tinpak.us, canaimasabores.com.ar and mapt.be, also share IP numbers with 21bit.info.
Name Servers
DNS delegation for 21bit.info points to two name servers: holly.ns.cloudflare.com and jay.ns.cloudflare.com.
21bit.info shares its NS records with other domains, for example vipspinsamurai11.com, ritzo22.com, vikingscasino.it and two others.
The name servers of 21bit.info overlap at least partially with those of other domains — among them hzzdedu.com, ventadepatines.com, salihonder.com and two more.
These name servers commonly appear alongside the name servers gannon.ns.cloudflare.com and conrad.ns.cloudflare.com.
DNS names with 6 IP addresses:
holly.ns.cloudflare.com has IP addresses 108.162.194.133, 162.159.38.133 and 172.64.34.133, plus 3 other.
jay.ns.cloudflare.com has IP addresses 108.162.193.123, 172.64.33.123 and 173.245.59.123, plus 3 other.