---

echo "===== DOMAIN / DNS ====="
resolvectl status

echo "===== DOMAIN MEMBERSHIP ====="
realm list 2>/dev/null || true

echo "===== NTP CONFIG ====="
sudo grep -RinE \
'ntp|timeserver|server |pool ' \
/etc/systemd/timesyncd.conf \
/etc/systemd/timesyncd.conf.d/ \
/etc/chrony/ \
/etc/netplan/ \
2>/dev/null || true

echo "===== TIME STATUS ====="
timedatectl
timedatectl show-timesync --all

echo "===== VIRTUALIZATION CLOCK ====="
cat /sys/devices/system/clocksource/clocksource0/current_clocksource