realm discover
realm discover ad.example.com
[libdefaults]
default_realm = AD.HAEDONGG.NET
dns_lookup_realm = true
dns_lookup_kdc = true
ticket_lifetime = 24h
renew_lifetime = 7d
forwardable = true
rdns = false
udp_preference_limit = 0
allow_weak_crypto = true
[realms]
AD.HAEDONGG.NET = {
kdc = ad.haedongg.net
admin_server = ad.haedongg.net
}
[domain_realm]
.ad.haedongg.net = AD.HAEDONGG.NET
ad.haedongg.net = AD.HAEDONGG.NET