8 / 10
Lookups
0
Issues
567,964
IPv4 addresses
2.97 â‹… 10
28
IPv6 addresses
v=spf1 a mx ip4:88.208.121.108 ip4:31.7.241.206 include:sws.cz 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
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
4 IPv4 addresses
4 IPv6 addresses
or else
ip4:
88.208.121.108 / 32
pass
if the sender's IP is between
88.208.121.108 and 88.208.121.108 (inclusive).
88.208.121.108 and 88.208.121.108 (inclusive).
Quantcom, a.s.
AS29208
or else
ip4:
31.7.241.206 / 32
pass
if the sender's IP is between
31.7.241.206 and 31.7.241.206 (inclusive).
31.7.241.206 and 31.7.241.206 (inclusive).
WIA spol. s.r.o.
AS21430
or else
include:
sws.cz
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
fail
the email's SPF check.
Included records
v=spf1 a mx ip4:88.208.121.108 ip4:31.7.241.206 include:sws.cz include:spf.protection.outlook.com -all
mx 5 x ip4 include:_spf.google.com include:eu.mailgun.org ~all
2 x ip4 6 x ip6 ~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