[Samba] Can someone explain why host reports no SOA record for domain on DC?

[James B. Byrne]

[root at smb4-1 ~ (master)]# samba-tool dns query localhost brockley.harte-lyne.ca
brockley.harte-lyne.ca ALL -U administrator
Password for [BROCKLEY\administrator]:
  Name=, Records=4, Children=0
    SOA: serial=3, refresh=900, retry=600, expire=86400, minttl=3600,
ns=SMB4-1.brockley.harte-lyne.ca., email=hostmaster.brockley.harte-lyne.ca.
(flags=600000f0, serial=110, ttl=3600)
    NS: SMB4-1.brockley.harte-lyne.ca. (flags=600000f0, serial=110, ttl=900)
    A: 192.168.18.161 (flags=600000f0, serial=110, ttl=900)
    A: 192.168.18.162 (flags=600000f0, serial=110, ttl=900)
  Name=_msdcs, Records=0, Children=0
  Name=_sites, Records=0, Children=1
  Name=_tcp, Records=0, Children=4
  Name=_udp, Records=0, Children=2
  Name=DomainDnsZones, Records=0, Children=2
  Name=ForestDnsZones, Records=0, Children=2
  Name=smb4-1, Records=1, Children=0
    A: 192.168.18.161 (flags=f0, serial=110, ttl=900)
  Name=SMB4-2, Records=2, Children=0
    A: 192.168.18.162 (flags=f0, serial=2, ttl=900)
    A: 192.168.216.162 (flags=f0, serial=3, ttl=900)

[root at smb4-1 ~ (master)]# cat /etc/resolv.conf
search brockley.harte-lyne.ca hamilton.harte-lyne.ca harte-lyne.ca
nameserver 192.168.18.161
nameserver 216.185.71.33
nameserver 216.185.71.34


[root at smb4-1 ~ (master)]# host -t SOA smb4-1.brockley.harte-lyne.ca
smb4-1.brockley.harte-lyne.ca has no SOA record

[root at smb4-1 ~ (master)]# host -t SOA smb4-1.brockley.harte-lyne.ca 192.168.18.161
Using domain server:
Name: 192.168.18.161
Address: 192.168.18.161#53
Aliases:

smb4-1.brockley.harte-lyne.ca has no SOA record

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James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
Harte & Lyne Limited          http://www.harte-lyne.ca
9 Brockley Drive              vox: +1 905 561 1241
Hamilton, Ontario             fax: +1 905 561 0757
Canada  L8E 3C3