Domains with DNS TXT v=spf1 include:spf.protection.outlook.com +a +mx ip4:13.55.170.213 a:mail.optusnet.com.au ip4:211.29.132.249 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com +a +mx ip4:13.55.170.213 a:mail.optusnet.com.au ip4:211.29.132.249 -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com +a +mx ip4:13.55.170.213 a:mail.optusnet.com.au ip4:211.29.132.249 -all