_spf.salesforce.com DNS records

A IPv4 address

30m

_spf.salesforce.com has no A records.

AAAA IPv6 address

30m

_spf.salesforce.com has no AAAA records.

CNAME Canonical name

7m 30s

_spf.salesforce.com has no CNAME records.

TXT Human readable text

SPF

Sender policy

MX Mail server

30m

_spf.salesforce.com has no MX records.

NS Authoritative DNS server

30m

_spf.salesforce.com has no NS records.
NS records for this zone are defined at salesforce.com.

SOA Start of authority

30m

Zone apex

Start of authority

Serial

2016652153

Refresh

10m

Retry

15m

Expire

30d

Negative cache TTL

30m

Other record types