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216.73.216.114
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spfb.zixcorp.com
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spfb.zixcorp.com
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First observed
SOA
+1
-0
+
zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026030201 3600 300 2419200 300
TXT
+1
-0
+
spfb.zixcorp.com 300 TXT "v=spf1 include:zix.spf.smtp25.com include:mktomail.com include:spf.protection.outlook.com include:_spf.salesforce.com"