DNS Checker vs Backend Pulse

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

Heartbeat Hero is a server and API availability monitoring tool built for developers and DevOps teams. It sends periodic heartbeats to keep you informed of service health in real time, triggers automatic alerts when anomalies occur, and delivers notifications across multiple platforms. Key features: - Monitor any server or API; freely set check intervals and thresholds - Instant anomaly alerts for rapid incident response - Historical metrics and trend analysis for complete visibility into service health - Clean, intuitive UI that gets you started in minutes - Data security guaranteed with a transparent privacy policy Whether you’re an indie developer or an enterprise ops team, Heartbeat Hero keeps your services protected. Download now and experience intelligent monitoring made simple.