Module diff 

Structs

DnsDiff

DNS resolution comparison (A records, nameservers, reachability).

DomainDiff

Side-by-side comparison of two domains across registration, DNS, and SSL.

DomainDiffer

Compares two domains by running lookups and status checks concurrently.

RegistrationDiff

Registration data comparison (registrar, organization, dates).

SslDiff

SSL certificate comparison (issuer, validity, remaining days).