Unable to add rDNS records for SolusIO VPS: Can't find the zone '113.0.203.in-addr.arpa' cURL error 56: Recv failure: Connection reset by peer

Symptoms

• Unable to add rDNS records for VPS in SolusIO > Virtual Servers > affected VPS > Networking > Edit Reverse DNS entry:

  SVM_ERROR: Can't find the zone '113.0.203.in-addr.arpa' cURL error 56: Recv failure: Connection reset by peer

• On PowerDNS server in config file /etc/pdns/pdns.conf line webserver-allow-from does not have IP address of SolusIO Master node

  # grep "webserver-allow-from" /etc/pdns/pdns.conf | grep -v "#"
  webserver-allow-from =

Cause

PowerDNS misconfiguration.

Resolution

1. Access PowerDNS server over SSH.

2. Replace line webserver-allow-from in /etc/pdns/pdns.conf:

   # sed -i '/^[^#]/s/webserver-allow-from=.*/webserver-allow-from=203.0.113.10/g' /etc/pdns/pdns.conf

   where 203.0.113.10 - IP address of SolusIO Master server

3. Restart PowerDNS:

   # systemctl restart pdns