Question and response
Question
dig mail0.use2001.mcdlv.net. IPSECKEY
Answer
The response has no answer records.
Authority
mcdlv.net. 86400 SOA pdns177.ultradns.com. dev.mailchimp.com. 2012103790 86400 86400 86400 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0