The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://caterleisure.gotdns.org/owa/redir.aspx?REF=FiCGmOEcp3AKBIKyGjQQhHX-MOAkgysruAdRJsZOkvxubQMsIOPUCAFtYWlsdG86bnljY0BjYXRlcmxlaXN1cmUuY28udWs