6 / 10
Lookups
1
Issue
466,980
IPv4 addresses
2.19 ⋅ 10
24
IPv6 addresses
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 a ptr mx ip4:69.63.128.0/19 include:spfa.edgewebhosting.net include:spfb.edgewebhosting.net include:spf.protection.outlook.com ~all
Copied
Terms
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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
12 IPv4 addresses
or else
ip4:
69.63.128.0 / 19
pass
if the sender's IP is between
69.63.128.0 and 69.63.159.255 (inclusive).
69.63.128.0 and 69.63.159.255 (inclusive).
Databank Holdings
AS22903
or else
include:
spfa.edgewebhosting.net
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
include:
spfb.edgewebhosting.net
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
include:
spf.protection.outlook.com
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
Microsoft 365 / Outlook
Inbox software
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a ptr mx ip4:69.63.128.0/19 include:spfa.edgewebhosting.net include:spfb.edgewebhosting.net include:spf.protection.outlook.com ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable
8 x ip4 ~all
10 x ip4 ~all
6 x ip4 5 x ip6 -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