Domains with DNS TXT v=spf1 +a +mx ip4:52.54.98.13 a:smtp01.chambermaster.com a:smtp02.chambermaster.com a:smtp03.chambermaster.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx ip4:52.54.98.13 a:smtp01.chambermaster.com a:smtp02.chambermaster.com a:smtp03.chambermaster.com include:spf.protection.outlook.com -all.