Tools. Domain tools!

Usage:
    /whois/DOMAIN|IP      : whois.
    /traceroute/DOMAIN|IP : traceroute (this is slow).
    /host/DOMAIN|IP       : host.
    /ping/DOMAIN|IP       : ping (this is slow).
    /dig/DOMAIN|IP/option : dig (option= a, soa, cname, ...)