openai.smucff-cf0.workers.dev - robtex.com
openai.smucff-cf0.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:8880🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:1a8f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.143Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.136.128🇺🇸 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 | 104.21.26.143, 172.67.136.128 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:8880, 2606:4700:3031::6815:1a8f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com | ||||||
smucff-cf0.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | hank.ns.cloudflare.com ⭐ | ||||||
| NS | mimi.ns.cloudflare.com | ||||||
| SOA | hank.ns.cloudflare.comdns@cloudflare.com serial=2410726545 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.26.1432026-06-28 → 2026-07-30 · 2 obs
● 2026-06-28 13:43:28
● 2026-07-30 22:12:28
● 2026-07-30 22:12:28
●A172.67.136.1282026-06-28 → 2026-07-30 · 2 obs
● 2026-06-28 13:43:28
● 2026-07-30 22:12:28
● 2026-07-30 22:12:28
●A2606:4700:3030::ac43:88802026-06-28 → 2026-07-30 · 2 obs
● 2026-06-28 13:43:28
● 2026-07-30 22:12:28
● 2026-07-30 22:12:28
●A2606:4700:3031::6815:1a8f2026-07-01 → 2026-07-30 · 3 obs
○ 2026-06-28 13:43:28
● 2026-07-01 19:56:12
● 2026-07-30 22:12:28
● 2026-07-01 19:56:12
● 2026-07-30 22:12:28
○A2606:4700:3035::6815:1a8f2026-06-28 → 2026-06-28 · 3 obs
● 2026-06-28 13:43:28
○ 2026-07-01 19:56:12
○ 2026-07-30 22:12:28
○ 2026-07-01 19:56:12
○ 2026-07-30 22:12:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| smucff-cf0.workers.dev | hank.ns.cloudflare.com, mimi.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.203
NS records: hank.ns.cloudflare.com, mimi.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 1098ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.26.143, 172.67.136.128 |
| AAAA | 2 | 2606:4700:3031::6815:1a8f, 2606:4700:3030::ac43:8880 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
openai.smucff-cf0.workers.dev resolves to four IP addresses: 104.21.26.143, 172.67.136.128, 2606:4700:3030::ac43:8880 and 2606:4700:3031::6815:1a8f.
Among the host names that share IP numbers with openai.smucff-cf0.workers.dev are www.eneset.com, reseller.net, www.kompaswisata.com and two others.