Cannot setup slave DNS server using Slave DNS extension

Created:

2016-12-12 03:39:55 UTC

Modified:

2017-08-08 13:30:05 UTC

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Cannot setup slave DNS server using Slave DNS extension

Applicable to:

  • Plesk 12.5 for Linux

Symptoms

Cannot setup slave DNS server using Slave DNS extension, if point to exclamation mark it displays the following error:

    Error code 1: rndc: connect failed: 10.20.30.40#953: timed out

Cause

Connection from master DNS server to slave DNS server via port 953 is not available

Resolution

Port 953 is required by rndc tool

Check firewall settings and make sure that access from the master DNS server to the slave DNS via port 953

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