dotnetfiddle.net

.net crawl

First seen 2026-04-13 · Last seen 2026-05-10 · ok HTTP/1.1 200 1510 ms crawled 2026-05-07

US · 188.114.96.3 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: C# Online Compiler | .NET Fiddle
Description: Test your C# code online with .NET Fiddle code editor.
Canonical: https://dotnetfiddle.net/CsConsCore

Technology

CDN: Cloudflare
CMS: Ghost

Third-party hosts loaded (3)

cdnjs.cloudflare.com×2
netdna.bootstrapcdn.com×1
togetherjs.com×1

Social

Registration

Registrar

Cloudflare, Inc.

Created

2013-10-24

Expires

2026-10-24 156 days left

Updated

2025-09-24

Name servers

meg.ns.cloudflare.com
seth.ns.cloudflare.com

DNS records live

NS

meg.ns.cloudflare.com
seth.ns.cloudflare.com

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-07 to 2026-07-06

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://dotnetfiddle.net/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy