tab.workers.dev - dns.ninja
tab.workers.dev
| DNSSEC | β οΈ Not signed | ||||||
| NS | lynn.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3bc9πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c9π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c9πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 108.162.193.201πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 172.64.33.201πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 173.245.59.201πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| NS | tara.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ae1πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e1π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e1πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| A | 108.162.192.225πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| A | 172.64.32.225πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| A | 173.245.58.225πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tara.ns.cloudflare.com | ||||||
| SOA | lynn.ns.cloudflare.comdns@cloudflare.com serial=2410006780 | ||||||
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=2410466061 | ||||||
rank #5 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: #93
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
openai.tab.workers.dev |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
βNSlynn.ns.cloudflare.com2026-07-21 β 2026-07-25 Β· 2 obs
β 2026-07-25 11:52:42
βNStara.ns.cloudflare.com2026-07-21 β 2026-07-25 Β· 2 obs
β 2026-07-25 11:52:42
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 | clyde.ns.cloudflare.com, sofia.ns.cloudflare.com | - |
| tab.workers.dev | lynn.ns.cloudflare.com, tara.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.192.225
NS records: lynn.ns.cloudflare.com, tara.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
β±οΈ Timing
Total: 1139ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | lynn.ns.cloudflare.com, tara.ns.cloudflare.com |
| SOA | 1 | lynn.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
The domain openai.tab.workers.dev falls under the parent tab.workers.dev.
Name Servers
Two name servers handle the delegation for tab.workers.dev: lynn.ns.cloudflare.com and tara.ns.cloudflare.com.
tab.workers.dev shares its NS records with other domains, for example dragit.com, affilit.com, sociaro.com and two others.
At least some of tab.workers.dev's name servers are shared with other domains, for example epicleadershiptraining.com, makkao.es, wichart.vn and two more.
These name servers tend to be used in conjunction with the name servers toby.ns.cloudflare.com.
DNS names with 6 IP addresses:
lynn.ns.cloudflare.com resolves to 108.162.193.201, 172.64.33.201 and 173.245.59.201 among others, with 3 other IP addresses in total.
tara.ns.cloudflare.com resolves to 108.162.192.225, 172.64.32.225 and 173.245.58.225 among others, with 3 other IP addresses in total.