_spf.salesforce.com SOA records

SOA Start of authority
30m
Zone apex
Start of authority
Email
Serial
2016652420
Refresh
10m
Retry
15m
Expire
30d
Negative cache TTL
30m

Question and response

Question

dig _spf.salesforce.com. SOA

Answer

The response has no answer records.

Authority

salesforce.com. 1800 SOA mastername.salesforce.com. hostmaster.salesforce.com. 2016652420 600 900 2592000 1800

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0