openai.usd12.workers.dev - robtex.com
openai.usd12.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:90f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:bce1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.9.15Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.188.225🇺🇸 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 | 104.21.9.15, 172.67.188.225 | ||||||
| IPv6 hints | 2606:4700:3030::6815:90f, 2606:4700:3035::ac43:bce1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com | ||||||
usd12.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dilbert.ns.cloudflare.com ⭐ | ||||||
| NS | hope.ns.cloudflare.com | ||||||
| SOA | dilbert.ns.cloudflare.comdns@cloudflare.com serial=2408113892 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.9.152026-04-15 → 2026-07-18 · 2 obs
● 2026-04-15 02:30:48
● 2026-07-18 10:09:40
● 2026-07-18 10:09:40
●A172.67.188.2252026-04-15 → 2026-07-18 · 2 obs
● 2026-04-15 02:30:48
● 2026-07-18 10:09:40
● 2026-07-18 10:09:40
●A2606:4700:3030::6815:90f2026-04-15 → 2026-07-18 · 2 obs
● 2026-04-15 02:30:48
● 2026-07-18 10:09:40
● 2026-07-18 10:09:40
○A2606:4700:3034::ac43:bce12026-04-15 → 2026-06-14 · 4 obs
● 2026-04-15 02:30:48
● 2026-06-14 16:19:54
○ 2026-06-25 12:59:38
○ 2026-07-18 10:09:40
● 2026-06-14 16:19:54
○ 2026-06-25 12:59:38
○ 2026-07-18 10:09:40
●A2606:4700:3035::ac43:bce12026-06-25 → 2026-07-18 · 3 obs
○ 2026-06-14 16:19:54
● 2026-06-25 12:59:38
● 2026-07-18 10:09:40
● 2026-06-25 12:59:38
● 2026-07-18 10:09:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| usd12.workers.dev | dilbert.ns.cloudflare.com, hope.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.155
NS records: dilbert.ns.cloudflare.com, hope.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.188.225, 104.21.9.15 |
| AAAA | 2 | 2606:4700:3035::ac43:bce1, 2606:4700:3030::6815:90f |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
openai.usd12.workers.dev directs to four IP numbers, which are 104.21.9.15, 172.67.188.225, 2606:4700:3030::6815:90f and 2606:4700:3035::ac43:bce1.
Among the host names that share IP numbers with openai.usd12.workers.dev are py32.cn, www.sswlkj.cn, learningtoforgive.com and two others.