ciu.workers.dev - dns.ninja

ciu.workers.dev

DNSSEC⚠️ Not signed
NSheidi.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A2803:f800:50::6ca2:c2ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRheidi.ns.cloudflare.com
A2a06:98c1:50::ac40:22ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRheidi.ns.cloudflare.com
A108.162.194.236🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A162.159.38.236Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A172.64.34.236🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
NSvern.ns.cloudflare.com
A2606:4700:58::adf5:3bf3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A2803:f800:50::6ca2:c1f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvern.ns.cloudflare.com
A2a06:98c1:50::ac40:21f3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvern.ns.cloudflare.com
A108.162.193.243🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A172.64.33.243🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A173.245.59.243🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
SOAheidi.ns.cloudflare.comdns@cloudflare.com serial=2406242016

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=2406381982
rank #1980 globally
rank #4 in the tld
Semrush Rank:#5,943,211 Keywords:1 Traffic:27/mo
📈 Tranco rank: #88
workers.dev - Tranco Rank (30d: ↓-44)3940506070809094Apr 26May 6May 16May 26Jun 5Rank#44#88

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-api-proxy.ciu.workers.dev
api-samusar.ciu.workers.dev
chat1.ciu.workers.dev

Same first word

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DNS History

2 records (2 active, 0 former)

NSheidi.ns.cloudflare.comvern.ns.cloudflare.com
●NSheidi.ns.cloudflare.com2026-03-27 → 2026-06-08 · 2 obs
● 2026-03-27 06:50:22
● 2026-06-08 05:39:40
●NSvern.ns.cloudflare.com2026-03-27 → 2026-06-08 · 2 obs
● 2026-03-27 06:50:22
● 2026-06-08 05:39:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
ciu.workers.devheidi.ns.cloudflare.com, vern.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.236

NS records: heidi.ns.cloudflare.com, vern.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 825ms | Queries: -

📄 Records

TypeCountSample Data
NS2heidi.ns.cloudflare.com, vern.ns.cloudflare.com
SOA1heidi.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

ciu.workers.dev is the parent domain of openai-api-proxy.ciu.workers.dev, api-samusar.ciu.workers.dev and chat1.ciu.workers.dev.

Name Servers

Two name servers handle the delegation for ciu.workers.dev: heidi.ns.cloudflare.com and vern.ns.cloudflare.com.

The name server configuration of ciu.workers.dev is shared with other domains, for instance bettingzblog.com, alivepokers.com, oocoo.org and two others.

ciu.workers.dev shares at least some of its name servers with other domains, including zixen.com, elitepvpers.de, vomozak.top and two others.

These name servers are frequently seen alongside the name servers rex.ns.cloudflare.com.

Hosts with 6 IP addresses each:

heidi.ns.cloudflare.com points to 108.162.194.236, 162.159.38.236, 172.64.34.236 and three other IP addresses.

vern.ns.cloudflare.com points to 108.162.193.243, 172.64.33.243, 173.245.59.243 and three other IP addresses.