docs1.w3cub.com - robtex.com
docs1.w3cub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:bc8d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:89b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.8.155Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.188.141🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.8.155, 172.67.188.141 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:bc8d, 2606:4700:3035::6815:89b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com | ||||||
w3cub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:bc8d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:89b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.8.155Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.188.141🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fattouche.ns.cloudflare.com ⭐ | ||||||
| NS | stella.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| MX | route2.mx.cloudflare.net(17) | ||||||
| MX | route3.mx.cloudflare.net(46) | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.8.155, 172.67.188.141 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:bc8d, 2606:4700:3035::6815:89b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com | ||||||
| SOA | fattouche.ns.cloudflare.comdns@cloudflare.com serial=2401420384 | ||||||
rank #268997 in the tld
📈 Tranco rank: #228,874
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.8.1552026-04-03 → 2026-04-14 · 2 obs
● 2026-04-03 10:02:46
● 2026-04-14 21:38:50
● 2026-04-14 21:38:50
●A172.67.188.1412026-04-03 → 2026-04-14 · 2 obs
● 2026-04-03 10:02:46
● 2026-04-14 21:38:50
● 2026-04-14 21:38:50
●A2606:4700:3031::ac43:bc8d2026-04-03 → 2026-04-14 · 2 obs
● 2026-04-03 10:02:46
● 2026-04-14 21:38:50
● 2026-04-14 21:38:50
●A2606:4700:3035::6815:89b2026-04-03 → 2026-04-14 · 2 obs
● 2026-04-03 10:02:46
● 2026-04-14 21:38:50
● 2026-04-14 21:38:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| w3cub.com | stella.ns.cloudflare.com, fattouche.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.154
NS records: stella.ns.cloudflare.com, fattouche.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 124ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.188.141, 104.21.8.155 |
| AAAA | 2 | 2606:4700:3031::ac43:bc8d, 2606:4700:3035::6815:89b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (stella.ns.cloudflare.com, stella.ns.cloudflare.com, stella.ns.cloudflare.com...)
Analysis
IP Addresses
docs1.w3cub.com points to four IP numbers: 2606:4700:3031::ac43:bc8d, 2606:4700:3035::6815:89b, 104.21.8.155 and 172.67.188.141.
Other host names, for instance nadascientific.net, xemcakhia.net, www.flygroove.it, democrads.com and docs3.w3cub.com share IP numbers with docs1.w3cub.com.