EDNS in DNS clients

Mon May 23 12:00:44 UTC 2005

On Mon, May 23, 2005 at 02:07:48PM +0300,
 Stefan Puiu <stefan.puiu at gmail.com> wrote 
 a message of 18 lines which said:

> how important is for this kind of module to support EDNS(0)?

Extremely important.

> How common are this kind of packets in non-DNSSEC environments?

IPv6 and IDN require large queries and responses, too.

Even today, with few DNSsec, IPv6 and IDN, at least two TLD (Ireland -
18 bytes in excess, and Romania - 1 byte in excess) cannot send back
all their nameservers without EDNS (or TCP).