openai.yuhaowei20.workers.dev - robtex.com
openai.yuhaowei20.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:d4b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c6c9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.13.75Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.201🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.13.75, 172.67.198.201 | ||||||
| IPv6 hints | 2606:4700:3032::6815:d4b, 2606:4700:3037::ac43:c6c9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com | ||||||
yuhaowei20.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dylan.ns.cloudflare.com ⭐ | ||||||
| NS | hazel.ns.cloudflare.com | ||||||
| SOA | dylan.ns.cloudflare.comdns@cloudflare.com serial=2401685018 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.13.752026-04-12 → 2026-05-12 · 2 obs
● 2026-04-12 02:47:48
● 2026-05-12 14:01:08
● 2026-05-12 14:01:08
●A172.67.198.2012026-04-12 → 2026-05-12 · 2 obs
● 2026-04-12 02:47:48
● 2026-05-12 14:01:08
● 2026-05-12 14:01:08
●A2606:4700:3032::6815:d4b2026-04-12 → 2026-05-12 · 2 obs
● 2026-04-12 02:47:48
● 2026-05-12 14:01:08
● 2026-05-12 14:01:08
●A2606:4700:3037::ac43:c6c92026-04-12 → 2026-05-12 · 2 obs
● 2026-04-12 02:47:48
● 2026-05-12 14:01:08
● 2026-05-12 14:01:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| yuhaowei20.workers.dev | dylan.ns.cloudflare.com, hazel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.157
NS records: dylan.ns.cloudflare.com, hazel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 786ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.198.201, 104.21.13.75 |
| AAAA | 2 | 2606:4700:3032::6815:d4b, 2606:4700:3037::ac43:c6c9 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
openai.yuhaowei20.workers.dev resolves to four IP numbers: 2606:4700:3032::6815:d4b, 2606:4700:3037::ac43:c6c9, 104.21.13.75 and 172.67.198.201.
other host names for instance definebottle.com, airconservice.de, rundexter.com, beskuda.com and frutafina.com share IP numbers with openai.yuhaowei20.workers.dev.