Domain Checker: DNS & SSL

About this app

Domain Checker: DNS & SSL Domain Checker is a domain diagnostic tool designed for developers, website administrators, and network professionals. Quickly analyze domain infrastructure with DNS lookup, SSL certificate inspection, HTTP response analysis, WHOIS information, and email security checks. Simply enter a domain name to get a clear overview of its DNS configuration, certificate status, website response, and related services. Key Features: • DNS Record Lookup Inspect common DNS records, including: A AAAA CNAME MX TXT NS SOA CAA Verify domain resolution, DNS configuration, and service availability quickly. • SSL Certificate Inspection Analyze HTTPS certificates and security information, including: Certificate issuer Validity period Expiration countdown Subject Alternative Names (SAN) Fingerprint Public key information Identify certificate expiration risks and configuration issues before they impact your services. • HTTP Response Analysis Check website availability and HTTP behavior: HTTP status codes Response headers Redirect chains Server information Quickly troubleshoot website accessibility and configuration problems. • WHOIS Domain Information View public domain registration information: Registrar Registration date Expiration date Domain status Name servers Understand domain ownership and lifecycle information. • Email Security Check Analyze domain email-related DNS configuration: MX records SPF records DMARC records Identify email security configuration issues and improve domain reliability. • All-in-One Domain Diagnostics Perform essential domain checks from one clean interface without switching between multiple websites or online tools. Whether you are troubleshooting DNS resolution, verifying SSL certificates, diagnosing HTTP issues, or reviewing domain configuration, Domain Checker helps you quickly understand your domain infrastructure. Legal: Terms of Use: https://domain.opshome.run/terms/ Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/Privacy Policy: https://domain.opshome.run/privacy/

1. Added domain pinning to keep important domains at the top. 2. Added recent change indicators for DNS, certificate, and status updates. 3. Added options to copy or share a concise inspection summary. 4. Improved domain grouping, sorting, and result presentation. 5. Improved stability and fixed several minor issues.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Sep 22, 2026 · 7:52 PM Free