openai.markdevwork.workers.dev - dns.ninja
openai.markdevwork.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:405🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:836b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.5Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.107🇺🇸 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 | 104.21.4.5, 172.67.131.107 | ||||||
| IPv6 hints | 2606:4700:3030::6815:405, 2606:4700:3031::ac43:836b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=47, name=cloudflare-ech.com | ||||||
markdevwork.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | megan.ns.cloudflare.com ⭐ | ||||||
| NS | tosana.ns.cloudflare.com | ||||||
| SOA | megan.ns.cloudflare.comdns@cloudflare.com serial=2412403027 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●A104.21.4.52026-06-26 → 2026-09-06 · 2 obs
● 2026-06-26 15:13:04
● 2026-09-06 10:38:08
● 2026-09-06 10:38:08
●A172.67.131.1072026-06-26 → 2026-09-06 · 2 obs
● 2026-06-26 15:13:04
● 2026-09-06 10:38:08
● 2026-09-06 10:38:08
●A2606:4700:3030::6815:4052026-06-26 → 2026-09-06 · 2 obs
● 2026-06-26 15:13:04
● 2026-09-06 10:38:08
● 2026-09-06 10:38:08
●A2606:4700:3031::ac43:836b2026-06-26 → 2026-09-06 · 2 obs
● 2026-06-26 15:13:04
● 2026-09-06 10:38:08
● 2026-09-06 10:38:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| markdevwork.workers.dev | megan.ns.cloudflare.com, tosana.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.43
NS records: megan.ns.cloudflare.com, tosana.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 638ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.131.107, 104.21.4.5 |
| AAAA | 2 | 2606:4700:3031::ac43:836b, 2606:4700:3030::6815:405 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
openai.markdevwork.workers.dev directs to four IP numbers, which are 104.21.4.5, 172.67.131.107, 2606:4700:3030::6815:405 and 2606:4700:3031::ac43:836b.
Additional host names — workinnovantech.com, mlvtoriginal.site, rg-afc.com.br and two others — share IP numbers with openai.markdevwork.workers.dev.