Maintainers for systemd are Debian systemd Maintainers <pkg-systemd-maintainers@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: libnss-myhostname, libnss-mymachines, libnss-resolve, libnss-systemd, libpam-systemd, libsystemd-daemon-dev, libsystemd-daemon0, libsystemd-dev, libsystemd-id128-0, libsystemd-id128-dev, libsystemd-journal-dev, libsystemd-journal0, libsystemd-login-dev, libsystemd-login0, libsystemd0, libudev-dev, libudev1, systemd-container, systemd-coredump, systemd-dbg, systemd-journal-remote, systemd-oomd, systemd-standalone-sysusers, systemd-standalone-tmpfiles, systemd-sysv, systemd-tests, systemd-timesyncd, udev.
You might like to refer to the systemd package page, to the Package Tracking System, or to the source package src:systemd's bug page.
If you find a bug not listed here, please report it.