captcha-cdn.com - robtex.com
captcha-cdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c71a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:158c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.140Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.26🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hal.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ae🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| A | 108.162.193.174🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| A | 172.64.33.174🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| A | 173.245.59.174🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hal.ns.cloudflare.com | ||||||
| NS | raquel.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26d2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| A | 108.162.194.210🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| A | 162.159.38.210Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| A | 172.64.34.210🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | raquel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.21.140, 172.67.199.26 | ||||||
| IPv6 | 2606:4700:3033::ac43:c71a, 2606:4700:3035::6815:158c | ||||||
| SOA | hal.ns.cloudflare.comdns@cloudflare.com serial=2399696186 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
captcha-cdn.com |
DNS History
6 records (6 active, 0 former)
●NShal.ns.cloudflare.com2026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
●NSraquel.ns.cloudflare.com2026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
●A104.21.21.1402026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
●A172.67.199.262026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
●A2606:4700:3033::ac43:c71a2026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
●A2606:4700:3035::6815:158c2026-02-15 → 2026-03-23 · 2 obs
● 2026-03-23 21:14:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| captcha-cdn.com | hal.ns.cloudflare.com, raquel.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.210
NS records: hal.ns.cloudflare.com, raquel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for captcha-cdn.com (unsigned zone)
⏱️ Timing
Total: 416ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.21.140, 172.67.199.26 |
| AAAA | 2 | 2606:4700:3035::6815:158c, 2606:4700:3033::ac43:c71a |
| NS | 2 | hal.ns.cloudflare.com, raquel.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hal.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (hal.ns.cloudflare.com, hal.ns.cloudflare.com, hal.ns.cloudflare.com...)
Analysis
IP Addresses
captcha-cdn.com points to four IP numbers: 2606:4700:3033::ac43:c71a, 2606:4700:3035::6815:158c, 104.21.21.140 and 172.67.199.26.
Other host names, for instance hackernotes.io, retrokitproject.eu, www.hackernotes.io, vuhocebinoisgroupco.click and atexflooring.ca share IP numbers with captcha-cdn.com.
Name Servers
Delegation for captcha-cdn.com rests with two name servers, hal.ns.cloudflare.com and raquel.ns.cloudflare.com.
captcha-cdn.com shares the same name server setup as other domains, including podologiaribeiraopreto.com.br, signin-events.com, aburologyinstitute.com, apics-michiana.org and thetalentbusiness.com.
captcha-cdn.com at least partially shares name servers with other domains, for instance panidor.pt, winsecurity.com.br, netfin.cn, mr-greencasino.com and k8k8.com.
These name servers are commonly used with alexis.ns.cloudflare.com and ivan.ns.cloudflare.com.
Host names with six IP numbers: hal.ns.cloudflare.com points to: 2606:4700:58::adf5:3bae, 2803:f800:50::6ca2:c1ae, 2a06:98c1:50::ac40:21ae, 108.162.193.174, 172.64.33.174 and 173.245.59.174. raquel.ns.cloudflare.com points to: 2606:4700:50::a29f:26d2, 2803:f800:50::6ca2:c2d2, 2a06:98c1:50::ac40:22d2, 108.162.194.210, 162.159.38.210 and 172.64.34.210.