Question and response
Question
dig mail.smtp2go.com. NSEC3PARAM
Answer
The response has no answer records.
Authority
mail.smtp2go.com. 601 SOA ns4.smtpcorp.com. hostmaster.smtp2go.com. 2015074639 14400 3600 1209600 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0