Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:mail20.shg.uk.net include:spf.messageexchange.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:mail20.shg.uk.net include:spf.messageexchange.com -all.