spfb.zixcorp.com DNS history

Filter record types
No record changes with these filters Try selecting a different DNS record type.
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026090410 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026090101 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026090101 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026082701 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026082701 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026081801 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026081801 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026081201 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026081201 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026061201 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026061201 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026060201 3600 300 2419200 300
SOA +1 -1
+ zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026060201 3600 300 2419200 300
- zixcorp.com 300 SOA ns01.zixcorp.com noc.zixcorp.com 2026030201 3600 300 2419200 300
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"