Reference
Remy Reference/Admin SDK/Domains/Check custom domain

Check custom domain

Preflight a hostname before registering: format, availability, and www auto-pairing.
admin.domains.customCheck("acme.com")

Preflight a hostname before registering: it validates the format, checks availability, and flags whether an apex would auto-pair www. Never throws.

Parameters
hostname
string
RequiredThe hostname to preflight.
CLI
remy-admin domains custom check acme.com