DNS Checker: IP & SSL Tools

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