Check (whois) domain names for availability. Easy integration via shortcode or widget.
Alternatives to QAS Domain Checker – WHOIS RDAP
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Advanced domain availability checker using modern RDAP protocol for fast and accurate domain searches.
Instant company, domain, security and trust intelligence — as a WordPress admin tool and a public [marketxy_lookup] shortcode.
Continuous SSL/TLS, DNS, and domain expiry monitoring with one-click checks, dashboard widget, and email alerts. Connects to the Certack API — see &qu …
Proactive protection for the domain your WordPress site runs on. Expiry, hijacking, and outages, in the dashboard.
CVE-2026-109618 / CVE-2026-109619 (php2shell) PHP alerts + host ticket. Free Domain Anchor: domain & SSL expiry, DNS, email auth.
Let WooCommerce customers instantly check delivery availability, estimated delivery date, shipping charges, and Cash on Delivery status by entering th …
A fast, flexible domain checker for WordPress with WooCommerce integration and an Elementor widget.
Scans your subdomains and content links for dangling DNS records (abandoned cloud resources) an attacker could claim.
Blocks spam on Gravity Forms by checking every submitted email domain's registration age via RDAP; recently-registered domains are blocked.