Question and response
Question
dig o3.kubra.billpay.pge.com. NS
Answer
o3.kubra.billpay.pge.com. 5 CNAME o1678924x30.outbound-mail.sendgrid.net.
Authority
outbound-mail.sendgrid.net. 180 SOA ns20.digicertdns.com. dns.digicertdns.com. 2009200661 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0