questback.net SPF record

3 / 10 Lookups
0 Issues
459,148 IPv4 addresses
2.19 ⋅ 10 24 IPv6 addresses
v=spf1 mx include:_spf.questback.net include:spf.protection.outlook.com -all Copied

Terms

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
include:
_spf.questback.net
Evaluate this SPF record and pass if it
passes.
or else
include:
spf.protection.outlook.com
Evaluate this SPF record and pass if it
passes.
Microsoft 365 / Outlook
Inbox software
or else
-all
fail the email's SPF check.

Included records

v=spf1 mx include:_spf.questback.net include:spf.protection.outlook.com -all
10 x ip4 -all
6 x ip4 5 x ip6 -all

IP ranges

52.101.73.15
Microsoft
AS8075
52.101.73.22
Microsoft
AS8075
52.101.68.0
Microsoft
AS8075
52.101.73.1
Microsoft
AS8075
2a01:111:f403:ca09::8
Microsoft
AS8075
2a01:111:f403:ca04::c
Microsoft
AS8075
2a01:111:f403:ca09::20
Microsoft
AS8075
2a01:111:f403:ca04::2
Microsoft
AS8075
141.147.10.7
Oracle
AS31898
132.226.204.117
Oracle
AS31898
129.159.250.38
Oracle
AS31898
193.122.53.174
Oracle
AS31898
129.159.252.119
Oracle
AS31898
130.61.132.10
Oracle
AS31898
193.122.14.67
Oracle
AS31898
91.217.141.0 / 24
DATAGROUP SE
AS198333
87.79.30.0 / 25
NetCologne Gesellschaft fur Telekommunikation mbH
AS8422
51.120.120.172
Microsoft
AS8075
40.92.0.0 / 15
Microsoft
AS8075
40.107.0.0 / 16
Microsoft
AS8075
52.100.0.0 / 15
Microsoft
AS8075
52.102.0.0 / 16
Microsoft
AS8075
52.103.0.0 / 17
Microsoft
AS8075
104.47.0.0 / 17
Microsoft
AS8075
2a01:111:f400:: / 48
Microsoft
AS8075
2a01:111:f403:: / 49
Microsoft
AS8075
2a01:111:f403:8000:: / 51
Microsoft
AS8075
2a01:111:f403:c000:: / 51
Microsoft
AS8075
2a01:111:f403:f000:: / 52
Microsoft
AS8075