Question and response
Question
dig smtp-032f1f0d6af71c3c6.core1.sfdc-5pakla.mta.salesforce.com. TXT
Answer
smtp-032f1f0d6af71c3c6.core1.sfdc-5pakla.mta.salesforce.com. 300 TXT "v=spf1 a -all"
Authority
sfdc-5pakla.mta.salesforce.com. 86400 NS dns01.salesforce.com.
sfdc-5pakla.mta.salesforce.com. 86400 NS dns02.salesforce.com.
sfdc-5pakla.mta.salesforce.com. 86400 NS dns03.salesforce.com.
sfdc-5pakla.mta.salesforce.com. 86400 NS dns04.salesforce.com.
sfdc-5pakla.mta.salesforce.com. 86400 NS dns05.salesforce.com.
sfdc-5pakla.mta.salesforce.com. 86400 NS dns06.salesforce.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0