Block a user
Authoritative NS auto-detection
--watch mode with delta display
Table renderer (terminal + JSON)
Record type parser (A, AAAA, CNAME, MX, TXT, NS, SOA)
Parallel DNS query engine (net package, raw UDP)
Color-coded: green = matches majority, red = differs, yellow = no response
--watch N: re-query every N seconds, show changes live
Diff mode: highlight resolvers that disagree with the majority
Parallel queries across all resolvers
Query A, AAAA, CNAME, MX, TXT, NS, SOA record types
GitLab CI: build + release binaries on tag
Cross-compile Makefile targets