verificar o funcionamento da resolução de nomes de acordo com /etc/nsswitch.conf
31 Aug 2018
getent hosts backup.aefm.pt
getent ahosts backup.aefm.pt
https://unix.stackexchange.com/questions/212897/nslookup-dig-firefox-ig…
https://unix.stackexchange.com/questions/134143/how-to-test-etc-hosts