LDNS - DNS & Domain Tools

ehgkpjkmaichihneengcigkaoejmcofn

Instant DNS records, WHOIS/RDAP data, email security analysis, and server info for any domain. Fast, private, no data collection. LDNS is the essential DNS and domain toolkit for web developers, IT professionals, system administrators, and security researchers. Get instant access to DNS records, WHOIS/RDAP registration data, email security configuration, and server information - all from a single click in your browser toolbar. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ CORE FEATURES • DNS Records — A, AAAA, MX, TXT, NS, SOA, CAA, CNAME via encrypted DoH • DNS Propagation — Compare records across Cloudflare, Google, DNS.SB with per-provider latency • Reverse DNS — Auto PTR lookups for A and AAAA records (IPv4 + IPv6) • IP-to-ASN — Origin AS number, name and country shown inline (Team Cymru) • WHOIS/RDAP — Registration, expiry, DNSSEC chain, domain age countdown • Email Security — SPF, DMARC, DKIM (selector probing), BIMI, MTA-STS with provider detection • Server Info — Headers, redirects, response time, technology stack, security-headers audit, HTTP/3, HSTS preload, security.txt • Subdomain Discovery — Scan Certificate Transparency logs for subdomains • Click-to-copy on every record row + CSV and JSON export • Side-panel mode — pin LDNS while you browse (Chrome) • System / light / dark theme — follows OS by default • Deep links to detailed reports on ldns.com for any tab • Privacy First — No accounts, no tracking, no data sent to ldns.com unless you opt in to the marketplace listing check ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 DNS RECORDS Look up any DNS record type instantly using encrypted DNS-over-HTTPS: • A Records - IPv4 addresses • AAAA Records - IPv6 addresses • MX Records - Mail server configuration • TXT Records - SPF, DKIM, domain verification • NS Records - Nameservers • SOA Records - Start of authority • CAA Records - Certificate authority authorization • CNAME Records - Canonical names Choose your preferred DNS provider: • Cloudflare (1.1.1.1) - Fast, privacy-focused • Google (8.8.8.8) - Reliable, widely used • DNS.SB - Privacy-focused, no logging All queries use encrypted DNS-over-HTTPS (DoH) for privacy and security. Filter results by record type and copy values with one click. DNS Propagation Comparison Toggle "Compare" to see records from all 3 providers side by side. Works with any record type filter. Mismatches are highlighted so you can spot propagation issues instantly. Reverse DNS (PTR) A record IPs are automatically resolved to their PTR hostnames, displayed inline below each record. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📋 WHOIS / RDAP DATA Get comprehensive domain registration information through the modern RDAP protocol: • Registrar - Who the domain is registered with • Registration Date - When the domain was first registered • Last Updated - Most recent modification date • Expiration Date - When the domain expires • Nameservers - Authoritative DNS servers • Domain Status - clientTransferProhibited, serverDeleteProhibited, etc. • DNSSEC - Whether the domain uses DNS Security Extensions Domain Age & Expiry Countdown • See how old the domain is at a glance • Days until expiration with color-coded urgency (green >90d, yellow 30-90d, red

Related extensions