Frage im Vorstellungsgespräch bei Rackspace Technology

When does DNS use TCP instead of UDP

Antworten zu Vorstellungsgespräch

Anonym

11. Dez. 2011

DNS use TCP for zone transfer.

2

Anonym

3. Dez. 2014

Maximum UDP packet size is 512 bytes (or 4096, with the extension of DNS protocol). When the request is larger then a max. UDP size, DNS will switch to TCP.

3

Anonym

26. Nov. 2017

speed

Anonym

5. Juli 2012

Agreed....used for zone transfer....