NetBuddy DNS Sniffer vs DNS/HTTP Tester

NetBuddy DNS Sniffer Explore the DNS ecosystem with a powerful, intuitive domain analysis tool NetBuddy DNS Sniffer is a comprehensive DNS lookup utility that provides detailed insights into domain configurations, DNS records, and WHOIS information. Whether you're a network professional, web developer, or security analyst, NetBuddy gives you the information you need with a clean, visual interface. Key Features Multiple DNS Provider Support Access DNS records through various trusted providers including Cloudflare, Google, Quad9, and OpenDNS. Add and configure your own custom DNS-over-HTTPS servers for specialized lookups. Complete DNS Record Analysis Retrieve and analyze all critical DNS record types: * A and AAAA records (IPv4 and IPv6 addresses) * MX records for mail server configuration * NS records for nameserver information * CNAME records for domain aliases * SOA records with authoritative information * TXT records containing domain verification data * PTR records for reverse DNS lookups * SRV records for service location information Detailed WHOIS Information Get comprehensive domain registration details including: * Registrar information * Creation and expiration dates * Name server listings * Registrant details * Organization information * Privacy protection status Visual DNS Hierarchy Exploration Understand the structure of domain names with interactive visualizations that break down: * Top-level domains (TLDs) * Second-level domains * Subdomains * The relationship between different DNS components Intuitive Record Distribution Charts View the distribution of record types with clear charts showing the relative frequency and importance of each DNS record type for the queried domain. Recent Lookup History Quickly access your previously searched domains with a convenient history feature, allowing for easy comparison and monitoring of domains over time. Customizable Settings Configure the app to suit your workflow with adjustable settings: * Select your preferred DNS provider * Manage custom DNS server configurations * Customize display preferences Detailed Record Views Drill down into specific DNS records with comprehensive views showing: * Record types and values * TTL (Time to Live) information * Priority values for MX records * Weight and port information for SRV records Fast, Reliable Lookups Perform parallel DNS lookups across record types for efficient and comprehensive domain analysis. Use Cases * Network Troubleshooting: Quickly identify DNS configuration issues * Security Analysis: Verify proper DNS settings and detect anomalies * Domain Management: Monitor your domain registrations and DNS setup * Educational Tool: Learn about DNS hierarchies and record types * Website Migration: Compare DNS configurations across domains * Service Deployment: Verify correct service records and mail configurations NetBuddy DNS Sniffer provides a clean, professional interface that makes complex DNS information accessible and actionable. Whether you're diagnosing network problems, verifying domain configurations, or learning about DNS structures, NetBuddy delivers the insights you need in a user-friendly format. Discover what's happening behind the scenes of the domains you rely on with NetBuddy DNS Sniffer – your companion for DNS exploration and analysis.

DNS/HTTP Tester — a complete network diagnostic toolkit wrapped in a nostalgic retro '90s desktop interface. Built for developers, sysadmins, and IT professionals who want fast answers, with no accounts, no ads, and no tracking. CORE TOOLS ▸ DNS Lookup — A, AAAA, MX, TXT, CNAME, NS, SOA records ▸ DNS Propagation — check across 5 global resolvers, with an "Is it down or just me?" verdict ▸ HTTP Header Inspector — status, security headers, CORS, compression, response time ▸ SSL Certificate Checker — expiry, issuer, alt names, protocol ▸ DNSSEC Validation — verify the AD flag ▸ Whois Lookup — registrar, key dates, nameservers ▸ Hosting & Location — country, city, ASN, organization ▸ Ping / Latency — visual response-time graph ▸ Tech Fingerprint — detect CDN, WAF, server, and framework DOMAIN AUDIT — all in one place ▸ Health Score — a weighted A–F grade with a full checklist (DNS, HTTPS, TLS, HSTS, CSP, DNSSEC, email…) ▸ Subdomain Discovery — from Certificate Transparency logs ▸ Email Security — SPF, DMARC, DKIM and MX analysis STAY ON TOP OF CHANGES ▸ Network Status — run a full health check on any domain at once ▸ Watchlist — track domains and spot IP, status or certificate changes between checks ▸ Query History — your last 50 lookups, stored locally ▸ Export & Share — save any report as TXT, JSON or CSV, or share a health report card NATIVE iOS EXTRAS ▸ Home-screen & Lock Screen Widget — live status + certificate countdown, with an interactive in-widget Recheck ▸ Siri Shortcuts & App Intents — Check DNS, Check SSL, Run Audit by voice ▸ Share extension — audit any URL straight from Safari ▸ Compare two domains side by side, or Batch-check many at once ▸ Watchlist trends & on-device certificate-expiry alerts ▸ More records: CAA / SRV / PTR · email BIMI / MTA-STS / TLS-RPT · HTTP/2 & HTTP/3 detection PRIVACY FIRST No account required. No ads. No tracking. No data sent to our servers. Everything runs on your device — DNS queries go straight to public resolvers, and only the domain name is sent. BUILT TO ENJOY ▸ Authentic retro '90s desktop aesthetic, right down to the dial-up boot ▸ 16 languages ▸ 2 themes: Classic + High Contrast One-time purchase. No subscription.