Hello @all: Calling DNS Update results in this failure: root at samba01:/# samba_dnsupdate --all-names Traceback (most recent call last): File "/usr/sbin/samba_dnsupdate", line 784, in <module> creds = get_credentials(lp) File "/usr/sbin/samba_dnsupdate", line 141, in get_credentials ans = check_one_dns_name(sub_vars['DNSDOMAIN'] + '.', 'NS') File "/usr/sbin/samba_dnsupdate", line 251, in check_one_dns_name ans = resolver.query(name, name_type) File "/usr/lib/python2.7/dist-packages/dns/resolver.py", line 912, in query raise_on_no_answer) File "/usr/lib/python2.7/dist-packages/dns/resolver.py", line 143, in __init__ raise NoAnswer dns.resolver.NoAnswer I'm stuck at that point currently. Updates via samba-tool work, but not via kerberos or samba it self: [2017/01/18 08:31:18.113146, 0] ../source4/dsdb/dns/dns_update.c:290(dnsupdate_nameupdate_done) ../source4/dsdb/dns/dns_update.c:290: Failed DNS update - with error code 110