cmtb.workers.dev - dns.ninja
cmtb.workers.dev
| DNSSEC | β οΈ Not signed | ||||||
| NS | anna.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3a66πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c066π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2066πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| A | 108.162.192.102πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| A | 172.64.32.102πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| A | 173.245.58.102πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | anna.ns.cloudflare.com | ||||||
| NS | viddy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c63πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c363π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2363πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 108.162.195.99πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 162.159.44.99Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| A | 172.64.35.99πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | viddy.ns.cloudflare.com | ||||||
| SOA | anna.ns.cloudflare.comdns@cloudflare.com serial=2407495531 | ||||||
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=2408366753 | ||||||
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: #80
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
www3.cmtb.workers.dev |
Same first word
cmtb.net |
cmtb.org |
cmtb.ro |
cmtb.com |
cmtb.com.br |
cmtb.de |
cmtb.ru |
cmtb.pr.gov.br |
cmtb.com.cn |
cmtb.sc.gov.br |
cmtb.workers.dev |
cmtb.fr |
Similar names
DNS History
2 records (2 active, 0 former)
βNSanna.ns.cloudflare.com2026-02-15 β 2026-07-01 Β· 2 obs
β 2026-07-01 05:11:36
βNSviddy.ns.cloudflare.com2026-02-15 β 2026-07-01 Β· 2 obs
β 2026-07-01 05:11:36
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | clyde.ns.cloudflare.com, sofia.ns.cloudflare.com | - |
| cmtb.workers.dev | anna.ns.cloudflare.com, viddy.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.195.99
NS records: anna.ns.cloudflare.com, viddy.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
β±οΈ Timing
Total: 312ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | anna.ns.cloudflare.com, viddy.ns.cloudflare.com |
| SOA | 1 | anna.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
cmtb.workers.dev is the parent zone for www3.cmtb.workers.dev.
Name Servers
The NS records for cmtb.workers.dev delegate to anna.ns.cloudflare.com and viddy.ns.cloudflare.com.
cmtb.workers.dev, ocmaker.ai, cash-web.ru, sbti.ai and takemykeys.fr all share the same authoritative name server setup.
cmtb.workers.dev partially shares its NS delegation with several other domains, including soundandmusic.org, gb.tc, hebergementwebs.com and two others.
These name servers often co-occur with the name servers jule.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
anna.ns.cloudflare.com maps to 108.162.192.102, 172.64.32.102, 173.245.58.102 and 3 additional IP addresses.
viddy.ns.cloudflare.com maps to 108.162.195.99, 162.159.44.99, 172.64.35.99 and 3 additional IP addresses.