b99.crf21.com - robtex.com

b99.crf21.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:e7f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9f27🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.39🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.127, 172.67.159.39
IPv6 hints2606:4700:3035::6815:e7f, 2606:4700:3037::ac43:9f27
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com

crf21.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:e7f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9f27🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.127Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.159.39🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdarl.ns.cloudflare.com ⭐
NSrosa.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.127, 172.67.159.39
IPv6 hints2606:4700:3035::6815:e7f, 2606:4700:3037::ac43:9f27
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=83, name=cloudflare-ech.com
SOAdarl.ns.cloudflare.comdns@cloudflare.com serial=2401251248
📈 Tranco rank: #781,200

Same first word

b99.dk
b99.nl
b99.org
b99.pl
b99.us
b99.co
b99.com
b99.ru
b99.de
b99.net
b99.in
b99.ir
b99.fr
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b99.mx
b99.eu
b99.cn

Similar names

9b9.cn
9b9.de
99b.biz
99b.ru
99b.net
99b.co
99b.com
99b.me
99b.org
99b.it
99b.de
9b9.net
99b.cc

DNS History

8 records (4 active, 4 former)

A104.21.14.127172.67.159.392606:4700:3035::6815:e7f2606:4700:3037::ac43:9f27188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.14.1272026-02-26 → 2026-04-13 · 4 obs
● 2026-02-26 10:04:14
● 2026-03-15 10:41:52
○ 2026-04-01 12:23:44
● 2026-04-13 20:26:22
●A172.67.159.392026-02-26 → 2026-04-13 · 4 obs
● 2026-02-26 10:04:14
● 2026-03-15 10:41:52
○ 2026-04-01 12:23:44
● 2026-04-13 20:26:22
○A188.114.96.02026-04-01 → 2026-04-01 · 3 obs
○ 2026-03-15 10:41:52
● 2026-04-01 12:23:44
○ 2026-04-13 20:26:22
○A188.114.97.02026-04-01 → 2026-04-01 · 3 obs
○ 2026-03-15 10:41:52
● 2026-04-01 12:23:44
○ 2026-04-13 20:26:22
●A2606:4700:3035::6815:e7f2026-02-26 → 2026-04-13 · 4 obs
● 2026-02-26 10:04:14
● 2026-03-15 10:41:52
○ 2026-04-01 12:23:44
● 2026-04-13 20:26:22
●A2606:4700:3037::ac43:9f272026-02-26 → 2026-04-13 · 4 obs
● 2026-02-26 10:04:14
● 2026-03-15 10:41:52
○ 2026-04-01 12:23:44
● 2026-04-13 20:26:22
○A2a06:98c1:3120::2026-04-01 → 2026-04-01 · 3 obs
○ 2026-03-15 10:41:52
● 2026-04-01 12:23:44
○ 2026-04-13 20:26:22
○A2a06:98c1:3121::2026-04-01 → 2026-04-01 · 3 obs
○ 2026-03-15 10:41:52
● 2026-04-01 12:23:44
○ 2026-04-13 20:26:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...-
crf21.comdarl.ns.cloudflare.com, rosa.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.228

NS records: darl.ns.cloudflare.com, rosa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crf21.com (unsigned zone)

⏱️ Timing

Total: 191ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.159.39, 104.21.14.127
AAAA22606:4700:3037::ac43:9f27, 2606:4700:3035::6815:e7f
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (darl.ns.cloudflare.com, darl.ns.cloudflare.com, darl.ns.cloudflare.com...)

Analysis

IP Addresses

b99.crf21.com resolves to four IPs: 2606:4700:3035::6815:e7f, 2606:4700:3037::ac43:9f27, 104.21.14.127 and 172.67.159.39.

Other host names, for instance paidtraffic.com, sizid.com, cshg888.com, nji.com and art-skk.ru share IP numbers with b99.crf21.com.