Domain Checker: DNS & SSL is a Utilities app for iPhone / iPad by 超 张. As of Sep 22, 2026, deal type: In-app purchase free. Promo code FORV2EXPLUS50 unlocks it for free while codes last.
Promo Codes
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- Developer
- 超 张
- Category
- Utilities
- Platforms
- iPhone, iPad
- Requires
- iPhone 17.0+ 0
- Added
- Sep 22, 2026
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 do
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