ssff666.workers.dev - dns.ninja
ssff666.workers.dev
| DNSSEC | β οΈ Not signed | ||||||
| NS | elly.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:26f6πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f6π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f6πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| A | 108.162.194.246πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| A | 162.159.38.246Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| A | 172.64.34.246πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elly.ns.cloudflare.com | ||||||
| NS | woz.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b96πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c196π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2196πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 108.162.193.150πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 172.64.33.150πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 173.245.59.150πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| SOA | elly.ns.cloudflare.comdns@cloudflare.com serial=2406608155 | ||||||
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=2408648042 | ||||||
rank #4 in the tld
workers.dev
workers.dev is a domain provided by Cloudflare that hosts the public endpoints for Cloudflare Workers, a serverless platform that runs code at the network edge. The domain is operated by Cloudflare.
Key facts
- Owner / operator: Cloudflare
- TLD:
.devβ gTLD - Primary purpose: serverless edge compute platform (Cloudflare Workers)
- Status: active
History
| Year | Event |
|---|---|
| 2017 | Cloudflare launches Workers (beta) |
| 2019 | workers.devdomain made available for userβdeployed workers |
| 2022 | Durable Objects feature reaches GA, expanding Workers capabilities |
Notable subdomains or services
*.workers.devβ public endpoint for individual Cloudflare Workers
Related domains
cloudflare.comβ corporate website of the operator
π Tranco rank: #81
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
openaiapikeyquery.ssff666.workers.dev |
openai-apikey-query.ssff666.workers.dev |
Same first word
ssff666.workers.dev |
DNS History
2 records (2 active, 0 former)
βNSelly.ns.cloudflare.com2026-04-22 β 2026-07-04 Β· 2 obs
β 2026-07-04 11:11:46
βNSwoz.ns.cloudflare.com2026-04-22 β 2026-07-04 Β· 2 obs
β 2026-07-04 11:11:46
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| ssff666.workers.dev | elly.ns.cloudflare.com, woz.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.150
NS records: elly.ns.cloudflare.com, woz.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
β±οΈ Timing
Total: 673ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | elly.ns.cloudflare.com, woz.ns.cloudflare.com |
| SOA | 1 | elly.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
ssff666.workers.dev serves as the parent of openaiapikeyquery.ssff666.workers.dev and openai-apikey-query.ssff666.workers.dev.
Name Servers
ssff666.workers.dev uses two name servers for its delegation: elly.ns.cloudflare.com and woz.ns.cloudflare.com.
The name server configuration of ssff666.workers.dev is shared with other domains, for instance festerling24.com, astrothinking.com, getmailfree.cc and two others.
ssff666.workers.dev partially shares its NS delegation with several other domains, including aaronnamba.com, osaa.org, 100.bz and two others.
These name servers are regularly seen alongside jasper.ns.cloudflare.com and jaime.ns.cloudflare.com as name servers.
Hosts with 6 IP addresses each:
Hostname elly.ns.cloudflare.com directs to 108.162.194.246, 162.159.38.246 and 172.64.34.246 along with 3 other IP addresses.
Hostname woz.ns.cloudflare.com directs to 108.162.193.150, 172.64.33.150 and 173.245.59.150 along with 3 other IP addresses.