cname.api21k.com - robtex.com
cname.api21k.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:1a6d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:87ef🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.109Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.135.239🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.26.109, 172.67.135.239 | ||||||
| IPv6 hints | 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com | ||||||
api21k.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:1a6d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:87ef🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.109Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.135.239🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kelly.ns.cloudflare.com ⭐ | ||||||
| NS | rene.ns.cloudflare.com | ||||||
| MX | mail.api21k.com ⭐ | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.26.109, 172.67.135.239 | ||||||
| IPv6 hints | 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com | ||||||
| SOA | kelly.ns.cloudflare.comdns@cloudflare.com serial=2402543904 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.26.1092026-05-03 → 2026-05-14 · 2 obs
● 2026-05-03 15:20:14
● 2026-05-14 18:23:12
● 2026-05-14 18:23:12
●A172.67.135.2392026-05-03 → 2026-05-14 · 2 obs
● 2026-05-03 15:20:14
● 2026-05-14 18:23:12
● 2026-05-14 18:23:12
●A2606:4700:3031::6815:1a6d2026-05-03 → 2026-05-14 · 2 obs
● 2026-05-03 15:20:14
● 2026-05-14 18:23:12
● 2026-05-14 18:23:12
●A2606:4700:3033::ac43:87ef2026-05-03 → 2026-05-14 · 2 obs
● 2026-05-03 15:20:14
● 2026-05-14 18:23:12
● 2026-05-14 18:23:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| api21k.com | kelly.ns.cloudflare.com, rene.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.91
NS records: kelly.ns.cloudflare.com, rene.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for api21k.com (unsigned zone)
⏱️ Timing
Total: 262ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.26.109, 172.67.135.239 |
| AAAA | 2 | 2606:4700:3033::ac43:87ef, 2606:4700:3031::6815:1a6d |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (kelly.ns.cloudflare.com, kelly.ns.cloudflare.com, kelly.ns.cloudflare.com...)
Analysis
IP Addresses
cname.api21k.com refers to four IP numbers: 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef, 104.21.26.109 and 172.67.135.239.
Other host names, for instance www.zenitinversiones.com.ar, bachthulodep.com, www.inno-terra.ru, klickexpacific.com and hnysy.com share IP numbers with cname.api21k.com.