[dns-operations] 2600::a1 (ns1-auth.sprintlink.net)
jimpop at gmail.com
Thu Feb 16 20:17:05 UTC 2017
On Thu, Feb 16, 2017 at 3:00 PM, Gonzalo Muñoz <gmunoz at nic.cl> wrote:
> It looks like the sprintlink NS has a problem with DNS cookies. Using
> dig 9.11.0-P1:
> $ dig @ns1-auth.sprintlink.net. ups.com mx
> ;; ->>HEADER<<- opcode: QUERY, status: BADVERS, id: 14540
> $ dig @ns1-auth.sprintlink.net. ups.com mx +nocookie
> ;; ANSWER SECTION:
> ups.com. 300 IN MX 10 email-vip.ups.com.
> ups.com. 300 IN MX 10 email2-vip.ups.com.
Ahh! That's it.
Interestingly enough bind does seem to always figure out the data it
needs by continuing to query other NSes.
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