SPF Records: Outlook shows fail, Google shows pass
When you resolve the relevant TXT records
spf.protection.outlook.com TXT "v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/48 include:spfd.protection.outlook.com -all"
spfd.protection.outlook.com TXT "v=spf1 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 -all"
2a01:111:f400:fe14::71b
is authorized as sender while 192.162.217.24
is not. If that IPv4 hosts is yours you'll need to have it included in the SPF record. If it's not yours your email configuration is flawed.