check-alt.com-auth.cc - robtex.com
check-alt.com-auth.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:376d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:ab1b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.55.109Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.27🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.55.109, 172.67.171.27 | ||||||
| IPv6 hints | 2606:4700:3031::6815:376d, 2606:4700:3037::ac43:ab1b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=229, name=cloudflare-ech.com | ||||||
com-auth.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:376d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:ab1b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.55.109Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.27🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | algin.ns.cloudflare.com ⭐ | ||||||
| NS | itzel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.55.109, 172.67.171.27 | ||||||
| IPv6 hints | 2606:4700:3031::6815:376d, 2606:4700:3037::ac43:ab1b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=229, name=cloudflare-ech.com | ||||||
| SOA | algin.ns.cloudflare.comdns@cloudflare.com serial=2400547278 | ||||||
⚠️ On DNS blocklist: tif
DNS History
4 records (4 active, 0 former)
●A104.21.55.1092026-04-23 → 2026-04-29 · 2 obs
● 2026-04-23 02:18:38
● 2026-04-29 03:38:12
● 2026-04-29 03:38:12
●A172.67.171.272026-04-23 → 2026-04-29 · 2 obs
● 2026-04-23 02:18:38
● 2026-04-29 03:38:12
● 2026-04-29 03:38:12
●A2606:4700:3031::6815:376d2026-04-23 → 2026-04-29 · 2 obs
● 2026-04-23 02:18:38
● 2026-04-29 03:38:12
● 2026-04-29 03:38:12
●A2606:4700:3037::ac43:ab1b2026-04-23 → 2026-04-29 · 2 obs
● 2026-04-23 02:18:38
● 2026-04-29 03:38:12
● 2026-04-29 03:38:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com | - |
| com-auth.cc | algin.ns.cloudflare.com, itzel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.42
NS records: algin.ns.cloudflare.com, itzel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com-auth.cc (unsigned zone)
⏱️ Timing
Total: 229ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.55.109, 172.67.171.27 |
| AAAA | 2 | 2606:4700:3037::ac43:ab1b, 2606:4700:3031::6815:376d |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
check-alt.com-auth.cc points to four IP numbers: 2606:4700:3031::6815:376d, 2606:4700:3037::ac43:ab1b, 104.21.55.109 and 172.67.171.27.
For instance, other host names news7.bg, vpscheap.net, shmcdz.com, securednsserver.cx and www.com-auth.cc share IP numbers with check-alt.com-auth.cc.