Question and response
Question
dig ns1.vincentlin.shop. SPF
Answer
ns1.vincentlin.shop. 5 CNAME vincentlin.shop.
Authority
vincentlin.shop. 3600 SOA ns-1324.awsdns-37.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0