Question and response
Question
dig mail.crosscert.com. NS
Answer
mail.crosscert.com. 1 CNAME ghs.googlehosted.com.
Authority
googlehosted.com. 44 SOA ns1.google.com. dns-admin.google.com. 883061705 900 900 1800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0