12 / 10
Lookups
1
Issue
507,645
IPv4 addresses
2.19 â‹… 10
24
IPv6 addresses
More than 10 DNS lookups were required to process this SPF record.
v=spf1 mx include:musvc.com include:spf.protection.outlook.com include:send.register.it include:send2.register.it include:send3.register.it include:send4.register.it include:mailgun.org ~all
Copied
Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
include:
musvc.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
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
include:
send.register.it
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:
send2.register.it
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:
send3.register.it
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:
send4.register.it
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:
mailgun.org
Evaluate this SPF record and
pass
if it
passes.
This include does nothing if the included record returns fail, soft fail, or neutral.
MailGun
Email automation
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx include:musvc.com include:spf.protection.outlook.com include:send.register.it include:send2.register.it include:send3.register.it include:send4.register.it include:mailgun.org ~all
More than 10 DNS lookups were required to process this SPF record
9 x ip4 -all
6 x ip4 5 x ip6 -all
8 x ip4 ~all
9 x ip4 ~all
7 x ip4 ~all
7 x ip4 ~all
include:_spf.mailgun.org include:_spf.eu.mailgun.org -all
include:_spf1.mailgun.org include:_spf2.mailgun.org ~all
10 x ip4 ~all
9 x ip4 ~all
11 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