Domain Checker: DNS & SSL is a Utilities app for iPhone / iPad by 超 张. As of Oct 16, 2026, deal type: In-app purchase free. Promo code FORV2EXPLUS50 unlocks it for free while codes last. Domain Checker: DNS & SSL has been on a deal 3 times on GroveTab, most recently on Oct 16, 2026.
Promo Codes
Promo codes are limited. If a code says it has been used up, it has run out.
- Developer
- 超 张
- Category
- Utilities
- Platforms
- iPhone, iPad
- Requires
- iPhone 17.0+
- Rating
- 5.0 ★ (2)
- Added
- Oct 5, 2026
About this app
Domain Checker brings DNS, SSL/TLS, HTTPS, registration data, and email security checks into one local-first workspace for developers, sysadmins, and network engineers. LOCAL-FIRST ARCHITECTURE • 100% local capacity available: domains and checks stay on your device • Fast manual or automated refresh with offline backup and restore • Full access to standard diagnostics without cloud dependencies OPTIONAL CLOUD MONITORING • Automatic 24/7 background checks with instant outage and expiry alerts • Standard tier includes 50% cloud concurrency; PRO unlocks full 100% • Opt-in per domain anytime; zero automatic uploads CORE PROTOCOL DIAGNOSTICS • DNS: A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA records • TLS: Certificates, full trust chains, expiration, SANs, and cipher suites • HTTPS: Status codes, redirect chains, latency, and reachability • WHOIS / RDAP: Registrars, status flags, and expiry timelines • Email Security: MX routing, SPF validation, and DMARC policies PRO ADVANCED SUITE (ONE-TIME PURCHASE) • Anycast DNS Propagation: Compare answers and TTLs across global public resolvers • DNSSEC Trust Chain: Verify DS, DNSKEY, and RRSIG signature validity • Lifecycle Planning: Sync expir
Deal history
Domain Checker: DNS & SSL has been on a deal 3 times on GroveTab, most recently on Oct 16, 2026.
- In-app purchase free
- In-app purchase free –
- In-app purchase free
FORV2EXPLUS50
Prices can change at any time. Check the price on the App Store before you download.
