Name: mirror9
Archive Root URL: http://repo.aptly.info/system-tests/archive.debian.org/debian-archive/debian/
Distribution: stretch-backports
Components: main, contrib, non-free
Architectures: amd64, arm64, armel, armhf, i386, mips, mips64el, mipsel, ppc64el, s390x
Download Sources: no
Download .udebs: no
Download AppStream: no
Last update: never

Information from release file:
Architectures: amd64 arm64 armel armhf i386 mips mips64el mipsel ppc64el s390x
ButAutomaticUpgrades: yes
Codename: stretch-backports
Components: main contrib non-free
Description:  Backports for the Stretch distribution

Label: Debian Backports
NotAutomatic: yes
Origin: Debian Backports
Suite: stretch-backports