nb557.workers.dev - dns.ninja
nb557.workers.dev
workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700::6812:c0f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6812:d0f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.18.12.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.18.13.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | clyde.ns.cloudflare.com ⭐ | ||||||
| NS | sofia.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/2 ✓ 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=2407295515 | ||||||
rank #5 in the tld
Semrush Rank:#5,943,211 Keywords:1 Traffic:27/mo
📈 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.
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSangelina.ns.cloudflare.com2026-04-01 → 2026-06-18 · 2 obs
● 2026-06-18 19:41:50
●NScarlos.ns.cloudflare.com2026-04-01 → 2026-06-18 · 2 obs
● 2026-06-18 19:41:50
🔍 DNS Trace
📋 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 | - |
| nb557.workers.dev | angelina.ns.cloudflare.com, carlos.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.232
NS records: angelina.ns.cloudflare.com, carlos.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | angelina.ns.cloudflare.com, carlos.ns.cloudflare.com |
| SOA | 1 | angelina.ns.cloudflare.com dns.cloudflar |
Analysis
Name Servers
nb557.workers.dev has two authoritative name servers — angelina.ns.cloudflare.com and carlos.ns.cloudflare.com.
nb557.workers.dev has the same name server delegation as a number of other domains, such as oliverweber.com, celana.uk, dream(0x706f726e).org and two more.
At least some of nb557.workers.dev's name servers are shared with other domains, for example lartdevivre.org, the-iqtest.com, inspirebaking.qpon and two more.
Host names resolving to 6 IP numbers:
angelina.ns.cloudflare.com points to 108.162.194.232, 162.159.38.232, 172.64.34.232 and 3 other IP addresses.
carlos.ns.cloudflare.com points to 108.162.195.112, 162.159.44.112, 172.64.35.112 and 3 other IP addresses.