On 01/06/2021 12:55, Karl Pielorz wrote: Hi Karl, > Anyone know why the Bind query appears to set such a low UDPsize? - > We've nothing in our config setting sizes, or maximums. Here's an answer: https://bind9.readthedocs.io/en/v9_16_16/notes.html#notes-for-bind-9-16-16 Regards, Anand