fcs3l66g5004.workers.dev - robtex.com
fcs3l66g5004.workers.dev
workers.dev
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700::6812:c0fπΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700::6812:d0fπΊπΈ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.12.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.18.13.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | clyde.ns.cloudflare.com β | ||||||
| NS | sofia.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/2 β hints match | ||||||
| IPv4 hints | 104.18.12.15, 104.18.13.15 | ||||||
| IPv6 hints | 2606:4700::6812:c0f, 2606:4700::6812:d0f | ||||||
| SOA | clyde.ns.cloudflare.comdns@cloudflare.com serial=2405982597 | ||||||
rank #4 in the tld
Semrush Rank:#5,943,211 Keywords:1 Traffic:27/mo
π Tranco rank: #87
workers.dev
workers.dev is a domain owned by Cloudflare that provides free subdomains for applications deployed on Cloudflare Workers, their serverless computing platform.
Cloudflare Workers Platform
Cloudflare Workers allows developers to deploy serverless code that runs globally across Cloudflare's edge network in 330+ cities worldwide. Key capabilities include:
- Serverless Compute - JavaScript, TypeScript, Python, and Rust execution with minimal cold starts
- Storage Solutions - R2 object storage, Workers KV (key-value), and Durable Objects for stateful applications
- AI Infrastructure - Built-in AI inference, AI Gateway, and agent capabilities
- Global Distribution - Code executes within 50ms of 95% of the world's population
The workers.dev Domain
When developers deploy a Cloudflare Worker without a custom domain, they receive a free subdomain under workers.dev (e.g.,myapp.username.workers.dev). This makes it easy to:
- Quickly deploy and test applications without purchasing a domain
- Share prototypes and demos
- Run production workloads on Cloudflare's infrastructure
The platform is popular for building APIs, full-stack web applications, real-time multiplayer experiences, and AI-powered services with automatic scaling and pay-per-use pricing.
Subdomains
cf-openai-azure-proxy.fcs3l66g5004.workers.dev |
Same first word
fcs3l66g5004.workers.dev |
DNS History
2 records (2 active, 0 former)
βNSjarred.ns.cloudflare.com2026-04-23 β 2026-06-03 Β· 2 obs
β 2026-06-03 14:31:44
βNSkristina.ns.cloudflare.com2026-04-23 β 2026-06-03 Β· 2 obs
β 2026-06-03 14:31:44
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| fcs3l66g5004.workers.dev | jarred.ns.cloudflare.com, kristina.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.34.125
NS records: jarred.ns.cloudflare.com, kristina.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
β±οΈ Timing
Total: 934ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | jarred.ns.cloudflare.com, kristina.ns.cloudflare.com |
| SOA | 1 | jarred.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
The domain cf-openai-azure-proxy.fcs3l66g5004.workers.dev falls under the parent fcs3l66g5004.workers.dev.
Name Servers
The NS records for fcs3l66g5004.workers.dev delegate to jarred.ns.cloudflare.com and kristina.ns.cloudflare.com.
fcs3l66g5004.workers.dev shares its NS records with other domains, for example shosholoza.org, bitpaypro.net, csg.marketing and two others.
At least some of fcs3l66g5004.workers.dev's name servers are shared with other domains, for example achttienplus.com, rueil-tourisme.com, qwertty.net and two more.
These name servers are often deployed together with the name servers elias.ns.cloudflare.com, lindsey.ns.cloudflare.com, chloe.ns.cloudflare.com and audrey.ns.cloudflare.com.
DNS names with 6 IP addresses:
jarred.ns.cloudflare.com directs to 108.162.195.126, 162.159.44.126, 172.64.35.126 and three others.
kristina.ns.cloudflare.com directs to 108.162.194.125, 162.159.38.125, 172.64.34.125 and three others.