15 / 10
Lookups
2
Issues
825,985
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
There are 2 issues with this SPF record
- The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
- More than 10 DNS lookups were required to process this SPF record.
Terms
ip4:
66.128.53.3 / 32
pass
if the sender's IP is between
66.128.53.3 and 66.128.53.3 (inclusive).
66.128.53.3 and 66.128.53.3 (inclusive).
Global IP Networks
AS7819
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
mx
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:
bluehost.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
Don't state if this IP is allowed to send this email.
Included records
v=spf1 ip4:66.128.53.3 a mx ptr include:bluehost.com ?all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
More than 10 DNS lookups were required to process this SPF record
2 x ip4 include:spf2.bluehost.com include:_spf.qualtrics.com include:_spf.salesforce.com include:sparkpostmail.com include:spf.mailjet.com include:spf.protection.outlook.com include:_spf.myorderbox.com include:eig.spf.a.cloudfilter.net include:spf.websitewelcome.com -all
9 x ip4 -all
15 x ip4 -all
exists:%{i}._spf.mta.salesforce.com -all
exists:%{i}._spf.sparkpostmail.com ~all
5 x ip4 ~all
6 x ip4 5 x ip6 -all
4 x ip4 ?all
3 x ip4 ~all
14 x ip4 -all
IP ranges
2a01:111:f403:8000::
/ 51
Microsoft
AS8075
2a01:111:f403:8000::
2a01:111:f403:9fff:ffff:ffff:ffff:ffff
2a01:111:f403:c000::
/ 51
Microsoft
AS8075
2a01:111:f403:c000::
2a01:111:f403:dfff:ffff:ffff:ffff:ffff
2a01:111:f403:f000::
/ 52
Microsoft
AS8075
2a01:111:f403:f000::
2a01:111:f403:ffff:ffff:ffff:ffff:ffff