Non-throwing scheme/host + resolution gate (block-internal policy). Returns
true only when the vibe-parsed scheme/host pass the lexical guard AND the
host resolves only to safe addresses (fail CLOSED on a resolution error).
Loopback and IP-literal hosts short-circuit without resolving. @safe.
Non-throwing scheme/host + resolution gate (block-internal policy). Returns true only when the vibe-parsed scheme/host pass the lexical guard AND the host resolves only to safe addresses (fail CLOSED on a resolution error). Loopback and IP-literal hosts short-circuit without resolving. @safe.