domain-validation

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.

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

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

✅ 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.

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

Go Email Verifier

✅ 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.

🔍 Async Python crawler for bulk ads.txt & app-ads.txt presence checks across hundreds of thousands of domains. Features auto-dedup, randomized queue, crash-safe resume, and streaming writes. Built for programmatic ad tech and SSP teams.

⚡ Fast lead quality auditor. Scrape Google Maps → auto-sort by website status. No website? Broken link? Social only? Partial page error? Active site? Get categorized CSVs in seconds. Built for sales teams & lead gen workflows.

Python wrapper for the MailCheck.ai API

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

Always up-to-date IANA TLD list for domain validation in production systems.

Zero-dependency Node.js utility to validate domain signup forms against RFC-5322 syntax, live DNS MX records, and disposable email provider blocklists.

Strict, standards-based domain name validation and inspection for Ruby - RFC 1035, IDN/punycode, Public Suffix List, and CA/Browser Forum wildcard rules

Domain Validation API by Veille: Check domains for disposable, risky or invalid setups. Python, TypeScript, cURL, PHP, C#, Go, Java, Ruby examples.