The following messages are observed in
pdns: Not authoritative for 'domain.com', sending servfail to 18.104.22.168
Incorrect named service configuration
/etc/named.conf on the DNS server:
As a result notifications for zones update are not accepted from OBAS server (accepted only from 22.214.171.124).
Add OBAS server in allow-notify hosts in
/etc/named.conf configuration file.