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Lookups
1
Issue
3
IPv4 addresses
0
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ptr a:stats.frc2a.org mx:mta1.frc2a.org ip4:173.208.162.254 -all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
ptr:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
or else
ip4:
173.208.162.254 / 32
pass
if the sender's IP is between
173.208.162.254 and 173.208.162.254 (inclusive).
173.208.162.254 and 173.208.162.254 (inclusive).
WholeSale Internet
AS32097
or else
-all
fail
the email's SPF check.
Included records
v=spf1 mx ptr a:stats.frc2a.org mx:mta1.frc2a.org ip4:173.208.162.254 -all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable