apt-cache policy nginx
nginx:
Installed: (none)
Candidate: 1.10.0-0ubuntu0.16.04.4
Version table:
1.10.0-0ubuntu0.16.04.4 500
500 http://il.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
500 http://il.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages
1.9.15-0ubuntu1 500
500 http://il.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
500 http://il.archive.ubuntu.com/ubuntu xenial/main i386 Packages