[dns-operations] How .org name server handle large DNS response?

A. Schulze sca at andreasschulze.de
Wed Dec 19 22:44:30 UTC 2018



Am 19.12.18 um 23:20 schrieb Warren Kumari:

> So, what's going on here? Is this simply sample bias? Is the failover to TCP saving us? Or the predominance of v4? What's actually keping .org running (and I know that it *is* running :-))
points comimg in my mind:

- dns operators doing DNSSEC validation have a vital interest running a network handling port 53 on udp+tcp and edns0 _well_
- non-validating resolver don't send queries that generate large responses -> hide the problem

may that be?

Andreas


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