samb4 and pdns

#?samba config
# Global parameters
[global]
        dns forwarder = 4.2.2.1
        netbios name = SAMBA-AD1
        realm = CHASN.xLAB.COM
        server role = active directory domain controller
        workgroup = CHASN
        vfs objects = acl_xattr
        map acl inherit = yes
        store dos attributes = yes
        idmap_ldb:use rfc2307 = yes

[netlogon]
        path = /var/lib/samba/sysvol/chasn.xlab.com/scripts
        read only = No

[sysvol]
        path = /var/lib/samba/sysvol
        read only = No

# pdns.conf
setuid=pdns
setgid=pdns
launch=bind
launch=gmysql
gmysql-host=localhost
gmysql-user=powerdns
gmysql-password=chupwrdb!123
gmysql-dbname=powerdns

netstat -tulpn |grep 53
tcp        0      0 0.0.0.0:49153           0.0.0.0:*               LISTEN      12677/samba
tcp        0      0 0.0.0.0:53              0.0.0.0:*               LISTEN      10484/pdns_server
tcp6       0      0 :::49153                :::*                    LISTEN      12677/samba
tcp6       0      0 :::53                   :::*                    LISTEN      12692/samba
udp        0      0 0.0.0.0:53              0.0.0.0:*                           10484/pdns_server
udp6       0      0 :::53                   :::*                                12692/samba
#
dig @127.0.0.1

; <<>> DiG 9.9.4-RedHat-9.9.4-61.el7_5.1 <<>> @127.0.0.1
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 49689
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1680
;; QUESTION SECTION:
;.                              IN      NS

;; Query time: 3 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Dec 12 09:39:05 EST 2018
;; MSG SIZE  rcvd: 28