custdkim.salesforce.com SOA records

SOA Start of authority
30s
Zone apex
Start of authority
Email
[email protected]
Serial
2040764662
Refresh
30m
Retry
15m
Expire
30d
Negative cache TTL
30m

Question and response

Question

dig custdkim.salesforce.com. SOA

Answer

custdkim.salesforce.com. 30 SOA mastername.salesforce.com. hostmaster.salesforce.com. 2040764662 1800 900 2592000 1800

Authority

The response has no authority records.

Additional

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