openai.chengkaithu.workers.dev - robtex.com
openai.chengkaithu.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:99e7🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:436🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.54Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.153.231🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.4.54, 172.67.153.231 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:99e7, 2606:4700:3036::6815:436 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=19, name=cloudflare-ech.com | ||||||
chengkaithu.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | agustin.ns.cloudflare.com ⭐ | ||||||
| NS | elly.ns.cloudflare.com | ||||||
| SOA | agustin.ns.cloudflare.comdns@cloudflare.com serial=2406683702 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.4.542026-06-25 → 2026-07-20 · 2 obs
● 2026-06-25 13:44:20
● 2026-07-20 14:36:06
● 2026-07-20 14:36:06
●A172.67.153.2312026-06-25 → 2026-07-20 · 2 obs
● 2026-06-25 13:44:20
● 2026-07-20 14:36:06
● 2026-07-20 14:36:06
●A2606:4700:3032::ac43:99e72026-06-25 → 2026-07-20 · 2 obs
● 2026-06-25 13:44:20
● 2026-07-20 14:36:06
● 2026-07-20 14:36:06
●A2606:4700:3036::6815:4362026-06-25 → 2026-07-20 · 2 obs
● 2026-06-25 13:44:20
● 2026-07-20 14:36:06
● 2026-07-20 14:36:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | clyde.ns.cloudflare.com, sofia.ns.cloudflare.com | - |
| chengkaithu.workers.dev | agustin.ns.cloudflare.com, elly.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.246
NS records: agustin.ns.cloudflare.com, elly.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 391ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.153.231, 104.21.4.54 |
| AAAA | 2 | 2606:4700:3032::ac43:99e7, 2606:4700:3036::6815:436 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
openai.chengkaithu.workers.dev resolves to four IP addresses: 104.21.4.54, 172.67.153.231, 2606:4700:3032::ac43:99e7 and 2606:4700:3036::6815:436.
Two other host names, along with celestialpix.com, mail.seoplugin.org and vegamovles.bond, also share IP numbers with openai.chengkaithu.workers.dev.