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Lookups
1
Issue
336,651
IPv4 addresses
2.97 ⋅ 10
28
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx a ptr include:_spf.google.com a:relay.hutman.net include:sendgrid.net ip4:149.72.76.77 include:_spf.hostedemail.com ~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
a
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
include:
_spf.google.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Gmail
Inbox software
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
1 IPv4 address
or else
include:
sendgrid.net
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
SendGrid
Email automation
or else
ip4:
149.72.76.77 / 32
pass
if the sender's IP is between
149.72.76.77 and 149.72.76.77 (inclusive).
149.72.76.77 and 149.72.76.77 (inclusive).
SendGrid
AS11377
or else
include:
_spf.hostedemail.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx a ptr include:_spf.google.com a:relay.hutman.net include:sendgrid.net ip4:149.72.76.77 include:_spf.hostedemail.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
2 x ip4 6 x ip6 ~all
11 x ip4 ~all
