make host verification more robust
make host verification more robust

duypq94/heroku,heroku/heroku,greeca0204/heroku,rkh/heroku,greeca0204/heroku,sancopanco/heroku,rkh/heroku,vcgato29/heroku,heroku/heroku,rkh/heroku,greeca0204/heroku,gregburek/heroku,gregburek/heroku,Faisalawanisee/heroku,heroku/heroku,macedo/heroku,duypq94/heroku,Faisalawanisee/heroku,vcgato29/heroku,dickeyxxx/heroku,sancopanco/heroku,dickeyxxx/heroku,vcgato29/heroku,macedo/heroku,sancopanco/heroku,macedo/heroku,duypq94/heroku,gregburek/heroku,Faisalawanisee/heroku,dickeyxxx/heroku