[sdnog] DNS Queries

[Philip Paeps]

On 2016-08-22 13:36:35 (+0200), wadah khalid <engwada7 at gmail.com> wrote:

> thank you for your response ..
> as i know DNS has two operation queries  - (1)recursive query which is the
> operation between the client and server and
> *(2) iterative query which represents the relation between my server and
> other DNS servers . *

Both of those queries are identical.

> *i think the recursive is tcp rather than the iterative which is udp ...*
> *what do you think*

You think wrong.  I would recommend reading section 4.2 of RFC 1035 again.

Philip

-- 
Philip Paeps
Senior Reality Engineer
Ministry of Information