OWH Domain WHOIS RDAP vs Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

OWH Domain WHOIS RDAP is a powerful and modern WordPress plugin that enables domain availability checking using exclusively the RDAP (Registration Data Access Protocol), abandoning legacy WHOIS protocol. The plugin provides a complete domain verification experience with an intuitive interface, advanced Gutenberg blocks, and detailed WHOIS/RDAP information. Why Choose OWH Domain WHOIS RDAP? Modern RDAP Protocol: Uses only RDAP (JSON) for faster and more accurate queries Official TLD Validation: Validates domain extensions using IANA’s official list (data.iana.org/rdap/dns.json) Real-Time Validation: Real-time domain validation with TLD pre-verification Multiple TLD Support: Compatible with hundreds of official domain extensions How It Works Domain Input: Users enter domain name in the search form TLD Validation: Plugin validates the domain extension against IANA’s official list RDAP Query: If valid, performs RDAP query to appropriate server Result Display: Shows availability status with detailed information Perfect For Web Hosting Companies: Domain search functionality for hosting services Domain Registrars: Integration with domain registration systems Web Agencies: Client domain availability checking Developers: Modern RDAP implementation for domain services IT Professionals: Reliable domain information gathering Technical Highlights RDAP Protocol: Modern replacement for legacy WHOIS (port 43) JSON Responses: Structured, machine-readable domain data IANA Integration: Official TLD list synchronization Clean Architecture: PSR-4 compliant with dependency injection Configuration Initial Setup Navigate to OWH RDAP Settings Enable Domain Search option Set your Search Results Page (create a page with [owh-rdap-whois-results] shortcode) Set your WHOIS Details Page (create a page with [owh-rdap-whois-details] shortcode) Save settings Page Setup Search Page: Add the shortcode [owh-rdap-whois-search] to any page Results Page: Create a page with [owh-rdap-whois-results] shortcode Details Page: Create a page with [owh-rdap-whois-details] shortcode Gutenberg Block Setup Edit any page or post with Gutenberg editor Add a new block and search for “RDAP Domain Search Enhanced” Configure visual options: Colors (text, background, button) Typography (font size) Borders (radius, width, color) Layout (standard or inline) Custom CSS External Services This plugin connects to external services to obtain domain information and TLD validation data. These services are essential for providing accurate domain availability information and ensuring proper domain validation. IANA RDAP DNS Bootstrap Service What the service is: IANA RDAP DNS Bootstrap Service (https://data.iana.org/rdap/dns.json) – The official Internet Assigned Numbers Authority service for RDAP server discovery What it is used for: Primary source for obtaining the official list of TLD (Top Level Domains) and their corresponding RDAP servers What data is sent: No personal data is sent. The plugin downloads the public DNS bootstrap file containing TLD-to-RDAP-server mappings When data is sent: During TLD list updates (manual or automatic) and when validating domain extensions RDAP Servers (Various Domain Registries) What the service is: Various RDAP servers operated by domain registries and registrars worldwide (e.g., Verisign for .com/.net, PIR for .org, etc.) What it is used for: Querying domain registration information and availability status using the RDAP protocol What data is sent: Only the domain name being queried (e.g., “example.com”). No personal or sensitive information is transmitted When data is sent: When users perform domain availability searches through the plugin interface Important Notes: – Domain queries are cached locally to improve performance and reduce external service requests – No personal, private, or sensitive data is transmitted to these services – Only domain names and TLD information are sent for legitimate domain availability checking – All communications use secure HTTPS connections – The plugin respects rate limiting and best practices for RDAP queries – If external services are unavailable, the plugin uses cached TLD data and provides appropriate error messages Support For technical support, feature requests, or bug reports: Support Portal: Link Nacional Support GitHub: Report issues on our GitHub repository Transform your website into a professional domain checking service with OWH Domain WHOIS RDAP today!

Easily improve site security with WordPress Hardening, Two-Factor Authentication (2FA), Login Protection, Vulnerability Detection and SSL certificate. Really simple, Effective and Performant WordPress Security Really Simple Security is the most lightweight and easy-to-use security plugin for WordPress. It secures your WordPress website with SSL certificate generation, including proper 301 https redirection and SSL enforcement, scanning for possible vulnerabilities, Login Protection and implementing essential WordPress hardening features. We believe that security should have the absolute minimum effect on website performance, user experience and maintainability. Therefore, Really Simple Security is: Lightweight: Every security feature is developed with a modular approach and with performance in mind. Disabled features won’t load any redundant code. Easy-to-use: 1-minute configuration with short onboarding setup. Security Features Easy SSL Migration Migrates your website to HTTPS and enforces SSL in just one click. 301 redirect via PHP or .htaccess Secure cookies Let’s Encrypt: Install an SSL Certificate if your hosting provider supports manual installation. Server Health Check: Your server configuration is every bit as important for your website security. WordPress Hardening Tweak your configuration and keep WordPress fortified and safe by tackling potential weaknesses. Prevent code execution in the uploads folder Prevent login feedback and disable user enumeration Disable XML-RPC Disable directory browsing Username restrictions (block ‘admin’ and public names) and much more.. Vulnerability Detection Get notified when plugins, themes or WP core contain vulnerabilities and need appropriate action. Login Protection Allow or enforce Two-Factor Authentication (2FA) for specific user roles. Users receive a two-factor code via Email. Improve Security with Really Simple Security Pro Protect your site with all essential security features by upgrading to Really Simple Security Pro. Advanced SSL enforcement Mixed Content Scan & Fixer. Detect files that are requested over HTTP and fix them to HTTPS, both Front- and Back-end. Enable HTTP Strict Transport Security and configure your site for the HSTS Preload list. Firewall Really Simple Security Pro includes a performant and efficient WordPress firewall, to stop bots, crawlers and bad actors with IP and username blocks. 404 blocking – Blocks crawlers as they trigger unusual numbers of 404 errors. Region blocking – Only allow/block access to your site from specific regions. Automated and customisable Firewall rules. IP blocklist and allowlist. Security Headers Security headers protect your site visitors against the risk of clickjacking, cross-site-forgery attacks, stealing login credentials and malware. Independent of your Server Configuration, works on Apache, LiteSpeed, NGINX, etc. Protect your website visitors with X-XSS Protection, X-Content-Type-Options, X-Frame-Options, a Referrer Policy and CORS headers. Automatically generate your WordPress-tailored Content Security Policy. Vulnerability Measures When a vulnerability is detected in a plugin, theme or WordPress core you will get notified accordingly. With Vulnerability Measures, you can configure simple but effective measures to make sure that a critical vulnerability won’t remain unattended. Force update: An update process will be tried multiple times until it can be assumed development of a theme or plugin is abandoned. You will be notified during these steps. Quarantine: When a plugin or theme can’t be updated to solve a vulnerability, Really Simple Security can quarantine the plugin. Advanced Site Hardening Choose a custom login URL Automated File Permissions check and fixer Rename and randomize your database prefix Change the debug.log file location to a non-public folder Disable application passwords Control admin creation Disable HTTP methods, reducing HTTP requests Login Protection Secure your website’s login process and user accounts with powerful security measures. Two-Step verification (Email login) 2FA (two factor authentication) with TOTP Passwordless login with passkey login Enforce strong passwords and frequent password change Limit Login Attempts With Limit Login Attempts you can configure a threshold to temporarily or permanently block IP addresses or (non-existing) usernames. You can also throw a CAPTCHA after a failed login (hCaptcha or Google reCaptcha) Access Control Restrict access to your site for specific regions. Add specific IP addresses or IP ranges to the Blocklist or Allowlist. Useful Links Documentation Security Definitions Translate Really Simple Security Issues & pull requests Feature requests Love Really Simple Security? If you want to support the continuing development of this plugin, please consider buying Really Simple Security Pro, which includes some excellent security features and premium support. About Really Simple Plugins Our mission is to make complex WordPress requirements really easy. Really Simple Security is developed by Really Simple Plugins. For generating SSL certificates, Really Simple Security uses the le acme2 PHP Let’s Encrypt client library, thanks to ‘fbett’ for providing it. Vulnerability Detection uses WP Vulnerability, an open-source initiative by Javier Casares. Want to join as a collaborator? We’re on GitHub as well!