[dns-operations] Pinging the root name servers to check my connectivity?
William F. Maton Sotomayor
wmaton at ryouko.imsb.nrc.ca
Mon Sep 10 17:17:42 UTC 2012
On Mon, 10 Sep 2012, Peter Koch wrote:
> On Mon, Sep 10, 2012 at 12:56:08PM -0400, Joe Abley wrote:
>> The AS112 servers don't have such good technical properties, but they have the advantage that they are deployed with an expectation that junk will arrive. Perhaps PRISONER.IANA.ORG is a reasonable thing to ping.
> RFC 6304 does not "mandate" that AS112 name servers respond to ICMP
> Echo requests. If "ping" is meant to be at DNS level, then maybe,
> although the expectation might also be that thanks to RFC 6303
> the reason for (and volume of) AS112 traffic would vanish.
Sadly we can't assume that ICMP responses from AS112 servers any more than
users deploying RFC6303-friendly implementations or thinking of doing the
right thing. 8-|
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