Question and response
Question
dig salesforce-dns.com. TXT
Answer
salesforce-dns.com. 3600 TXT "v=spf1 -all"
Authority
salesforce-dns.com. 86400 NS dns1.p02.nsone.net.
salesforce-dns.com. 86400 NS dns2.p02.nsone.net.
salesforce-dns.com. 86400 NS dns3.p02.nsone.net.
salesforce-dns.com. 86400 NS dns4.p02.nsone.net.
salesforce-dns.com. 86400 NS dns01.salesforce.com.
salesforce-dns.com. 86400 NS dns02.salesforce.com.
salesforce-dns.com. 86400 NS dns03.salesforce.com.
salesforce-dns.com. 86400 NS dns04.salesforce.com.
salesforce-dns.com. 86400 NS dns05.salesforce.com.
salesforce-dns.com. 86400 NS dns06.salesforce.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0