# DNS Checker: IP & SSL Tools — Ports, WHOIS & Propagation > Ports, WHOIS & Propagation (iPhone/iPad app by Muhammad Mujahid Khan.) - Source: https://appshunter.io/ios/app/dns-checker-ip-and-ssl-tools/id6752944260 (this page in markdown: same URL + `.md`) - Developer: [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) - Category: Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 17.6 · 13 MB - Languages: French (France), German (Germany), American English, Arabic, Chinese (Simplified, China), Korean, Danish, European Spanish, Finnish, Hindi and 9 more - Released: 2025-09-25 - Data updated: 2026-08-15 - User reviews in markdown: https://appshunter.io/ios/app/dns-checker-ip-and-ssl-tools/id6752944260/reviews.md ## What is DNS Checker? DNS Checker: look up DNS, WHOIS, SSL, IP location, ports & propagation — all in one simple app. Built for developers, sysadmins, site owners, gamers, and anyone troubleshooting domains or servers. DNS LOOKUP • A, AAAA, MX, TXT, NS, SOA, SRV & CAA records • TTL, priority and full record details • Copy any value with one tap • Save lookups to History and reopen anytime WHOIS & DOMAIN • Registrar, creation & expiry dates • Name servers and DNSSEC status • Domain availability check SSL CERTIFICATE • Issuer, subject and validity dates • Days until expiry • Signature algorithm & serial number IP & NETWORK • IP geolocation (city, country, ISP, ASN) • Reverse DNS (IP → hostname) • HTTP response headers PORT CHECKER • Check if a remote port is open or closed • Scan common ports from the internet (fast batch scan) • Common ports: HTTP, HTTPS, SSH, SMTP, MySQL, RDP, Minecraft & more • Port History for past checks • Useful for port forwarding and firewall testing WATCH DOMAINS • Save domains you care about • Detect DNS A-record changes • Quick status: OK, SSL warning, or DNS changed SSL EXPIRY REMINDERS • See which certificates expire soon • Optional local reminders before expiry DNS PROPAGATION • Compare A records across Google, Cloudflare & Quad9 • Clear result: “All servers agree” or “Still updating” PRO • Ad-free experience (no banners or pop-ups) • Instant PDF export of full DNS reports (All core tools are available free. Free users can export PDF by watching a short ad.) Perfect for: • Checking DNS after a domain or hosting change • Verifying SSL before a site goes live • Testing port forwarding (game servers, remote access) • Watching important domains for unexpected DNS changes No account required. Fast, clean, and designed for iPhone & iPad. Questions? contacttomujahid@gmail.com Privacy Policy: https://justclack.blogspot.com/p/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscriptions (optional): • Weekly, Monthly, or Yearly Premium • Payment charged to your Apple ID • Auto-renews unless cancelled at least 24 hours before the period ends • Manage or cancel in App Store account settings ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly | $4.99 | per month | | Yearly | $29.99 | per year | | Weekly | $2.99 | per 7 days | ## Version history (last 5 releases) ### 8.2 — 2026-07-27 What’s new in this update • Port Checker — test if a host and port are open (SSH, HTTPS, Minecraft, RDP & more) • Scan Common Ports — check ~22 common ports from the internet in about 1–2 seconds • Port History — save and revisit past port checks & scans • Watch Domains — track DNS changes on domains you care about • SSL Expiry reminders — get notified before your certificate expires • DNS Propagation — see if your DNS change is live on Google, Cloudflare & Quad9 • Cleaner Pro benefits — ad-free experience + instant PDF export • Stability and performance improvements If DNS Checker helps you, a quick App Store review means a lot. Thank you! ### 8 — 2026-05-21 In-App Purchases and Subscriptions Added ! ### 7 — 2026-05-19 Export Bug fixes! ### 6 — 2026-05-19 Bug fixes and performance improvements. Pro version now removes ads. ### 5 — 2026-01-20 2026 version Speed optimization ## Apps similar to DNS Checker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Subscription Tracker - Submind](https://appshunter.io/ios/app/subscription-tracker-submind/id6752399847) | 5.0 (4) | Free | Utilities | | [vvrl - ShortURL](https://appshunter.io/ios/app/vvrl-shorturl/id6752900681) | — | Free | Utilities | | [Next Dash Dns - NextDNS remote](https://appshunter.io/ios/app/next-dash-dns-nextdns-remote/id6738365453) | — | Free | Utilities | | [ToolBox+ All-in-one](https://appshunter.io/ios/app/toolbox-plus-all-in-one/id6504269577) | — | Free | Utilities | | [Wivio](https://appshunter.io/ios/app/wivio/id6749204669) | — | Free | Utilities | | [Contacts to CSV, Excel, JSON](https://appshunter.io/ios/app/contacts-to-csv-excel-json/id6752913022) | — | Free | Utilities | ## More apps by Muhammad Mujahid Khan - [SaveTik Tikok Saver Pro](https://appshunter.io/ios/app/savetik-tikok-saver-pro/id6605934088) - [PBUH Quotes](https://appshunter.io/ios/app/pbuh-quotes/id6739850018) - [Durood App Offline](https://appshunter.io/ios/app/durood-app-offline/id6740008366) - [PDF Converter Tool Pro](https://appshunter.io/ios/app/pdf-converter-tool-pro/id6740724617) - [Tawaf Counter: 7 Rounds](https://appshunter.io/ios/app/tawaf-counter-7-rounds/id6740725631) - [Surah Yaseen: Read & Listen](https://appshunter.io/ios/app/surah-yaseen-read-and-listen/id6741045776) All apps by Muhammad Mujahid Khan: https://appshunter.io/developer/1749120554 ## Related topics [dns checker](https://appshunter.io/ios/topics/dns-checker) · [ssl checker](https://appshunter.io/ios/topics/ssl-checker) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*