# Latest just before 20171210T000000Z:
deb [check-valid-until=no] http://snapshot.debian.org/archive/debian/20171209T220346Z/ stretch main
deb [check-valid-until=no] http://snapshot.debian.org/archive/debian/20171209T220346Z/ stretch-updates main
deb [check-valid-until=no] http://snapshot.debian.org/archive/debian-security/20171209T224618Z/ stretch/updates main