Parse and validate domain names using the Public Suffix List, splitting domains into subdomain, main part, and TLD for .NET applications.

A simple validation framework to validate domain objects using Java 8 features

🔍 Chrome extension for parsing, validating, and analyzing sellers.json files. Features syntax highlighting, domain verification against ads.txt/app-ads.txt, real-time badge status, aggregate analytics, and filtered export capabilities for ad-ops workflows.

Light PHP SDK to interact with the Doma(in)Validity API.

🔍 Streamlit bulk scanner for ads.txt and app-ads.txt availability verification. Batch domain validation with soft-404 detection, line counting, timeout handling, and CSV export. Built for AdOps workflows requiring large-scale audits of IAB ad declaration files.

✅ Chrome extension for high-volume ads.txt validation with smart multi-variant URL probing, IAB record parsing, and CSV export. Manifest V3 with timeout protection, HTML rejection, DIRECT/RESELLER counting, and batch processing. Built for AdOps compliance and publisher audits.

✅ Chrome extension for high-volume app-ads.txt validation with smart URL probing, IAB record parsing, and CSV export. Manifest V3 with timeout protection, HTML rejection, DIRECT/RESELLER counting, and batch processing. Built for AdOps compliance workflows and publisher audits.

The Swift standard Domain type.

This service offers open-source Domain and URL validation with a task queue feature.

blob-domain is a simple PHP library for parsing and validating domain names.

This project is an approach to domain validation with a result object

🛡️ Scanera — A powerful Go-based CLI tool for multi-layer domain validation, technology detection, security assessments, and visual analysis.

Checks whether a given domain is correctly formatted and contains a valid Top Level Domain.

Python wrapper for the MailCheck.ai API

Goes trough a list of domains and validates them via trying to do a dns lookup

Compact Public Suffix List (PSL) trie for Rust. 32KB embedded, O(depth) lookup. Auto-updated monthly.

GoTLD is a secure, high-performance Go library for extracting fully qualified domain names (FQDNs) from URLs using the Public Suffix List. It provides accurate domain parsing with robust error handling and concurrency support for production environments.

Docker-based SSL certificate manager using Let's Encrypt. Creates and renews certificates with manual DNS validation, exports in multiple formats (.key, .crt, .pem, .pfx, .p7b) for easy import into any web server or NAS system.

Validate email addresses and domains: MX, SPF, DMARC, DKIM, and SSL/TLS checks. Python CLI and library.

PHP Text Validator Lib is a library designed to validate input values in a consistent and reliable way. It allows you to verify whether a given string represents a valid email address, phone number, domain, IP address, numeric value, decimal number, binary content, date, or datetime...