Changelog

Initial public launch of DNSbyte.

Lookup tools

• WHOIS Lookup - two-stage IANA to TLD resolver with raw output
• DNS Records - A, AAAA, MX, TXT, CNAME, NS, SOA and more
• Reverse DNS - PTR record lookup for IPv4 and IPv6

Mail tools

• MX Checker - mail exchange records and priority ordering
• SPF / DKIM / DMARC - full mail authentication policy check
• Email Headers - raw header parser with hop analysis and flag detection

Analysis tools

• DNS Propagation - Google, Cloudflare, Quad9 and Mullvad resolvers
• DNS Checker - compare responses across providers for any record type
• TTL Inspector - per-record TTL breakdown with change impact guidance
• Zone Health - NS consistency, SOA validity, MX and SPF checks

Security tools

• SSL Certificate - chain validation, expiry, cipher and protocol detail
• HTTP Headers - response and security header inspection
• Blacklist Check - tests against common DNS block lists
• DNS over HTTPS - DoH queries via Google, Cloudflare, Quad9 and Mullvad
• Reachability - TCP, HTTP and ICMP reachability testing

Platform

• Dark mode with system preference detection and manual toggle
• Cookie consent with Google Analytics gated behind acceptance
• File-based rate limiting - 30 requests per 60 seconds per IP, hashed
• 60-second query cache with SHA-256 keyed file store