Domains with DNS TXT v=spf1 a mx a:mail.gebr-pfeiffer.com include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all

There are 4 domains that have DNS TXT set to v=spf1 a mx a:mail.gebr-pfeiffer.com include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all. The top 4 records ordered by domain rank are listed below.

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