refdub.workers.dev - dns.ninja

refdub.workers.dev

DNSSEC⚠️ Not signed
NSadi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A2803:f800:50::6ca2:c038🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadi.ns.cloudflare.com
A2a06:98c1:50::ac40:2038🇺🇸 Cloudflare2a06:98c1:50::/45
PTRadi.ns.cloudflare.com
A108.162.192.56🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A172.64.32.56🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A173.245.58.56🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
NShank.ns.cloudflare.com
A2606:4700:58::adf5:3b74🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A2803:f800:50::6ca2:c174🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhank.ns.cloudflare.com
A2a06:98c1:50::ac40:2174🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhank.ns.cloudflare.com
A108.162.193.116🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A172.64.33.116🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
A173.245.59.116🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhank.ns.cloudflare.com
SOAadi.ns.cloudflare.comdns@cloudflare.com serial=2406837596

workers.dev

DNSSEC⚠️ Not signed
A2606:4700::6812:c0f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:d0f🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.12.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.13.15Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclyde.ns.cloudflare.com ⭐
NSsofia.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.12.15, 104.18.13.15
IPv6 hints2606:4700::6812:c0f, 2606:4700::6812:d0f
SOAclyde.ns.cloudflare.comdns@cloudflare.com serial=2406895432
rank #1977 globally
rank #4 in the tld
Semrush Rank:#5,943,211 Keywords:1 Traffic:27/mo
📈 Tranco rank: #86
workers.dev - Tranco Rank (30d: ↓-37)45506070809093May 3May 13May 23Jun 2Jun 11Rank#49#86

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

6hww.refdub.workers.dev
6hls.refdub.workers.dev
8hlt.refdub.workers.dev

Same first word

refdub.workers.dev

Similar names

furedb.com
bedfur.com
ferbud.pl

DNS History

2 records (2 active, 0 former)

NSadi.ns.cloudflare.comhank.ns.cloudflare.com
●NSadi.ns.cloudflare.com2026-02-27 → 2026-06-14 · 2 obs
● 2026-02-27 01:52:06
● 2026-06-14 04:21:22
●NShank.ns.cloudflare.com2026-02-27 → 2026-06-14 · 2 obs
● 2026-02-27 01:52:06
● 2026-06-14 04:21:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
refdub.workers.devadi.ns.cloudflare.com, hank.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.116

NS records: adi.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 538ms | Queries: -

📄 Records

TypeCountSample Data
NS2adi.ns.cloudflare.com, hank.ns.cloudflare.com
SOA1adi.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

refdub.workers.dev is the parent domain of 6hww.refdub.workers.dev, 6hls.refdub.workers.dev and 8hlt.refdub.workers.dev.

Name Servers

refdub.workers.dev uses two name servers for its delegation: adi.ns.cloudflare.com and hank.ns.cloudflare.com.

refdub.workers.dev shares its NS records with other domains, for example efast.tw, westernagency.com, oakcreekokc.com and two others.

refdub.workers.dev shares at least some of its name servers with other domains, including caitlyn4321.com, stgaustralia.com, davahaber.com and two others.

These name servers are frequently paired with the name servers carl.ns.cloudflare.com, shubhi.ns.cloudflare.com and dolly.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname adi.ns.cloudflare.com directs to 108.162.192.56, 172.64.32.56 and 173.245.58.56 along with 3 other IP addresses.

Hostname hank.ns.cloudflare.com directs to 108.162.193.116, 172.64.33.116 and 173.245.59.116 along with 3 other IP addresses.