Domains with DNS TXT v=spf1 a include:spf.sendinblue.com ip4:173.160.35.173 ip4:173.14.23.137 ip6:2603:300b:7fe:b000::1 -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.sendinblue.com ip4:173.160.35.173 ip4:173.14.23.137 ip6:2603:300b:7fe:b000::1 -all.