Question and response
Question
dig _spf_salesforce.silverstreet.com. TXT
Answer
_spf_salesforce.silverstreet.com. 3600 TXT "v=spf1 ip4:96.43.144.63/31 ip4:96.43.148.64/31 ip4:202.129.242.63/31 ip4:204.14.232.63/28 ip4:204.14.234.63/28 ?all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0