Domains with DNS TXT v=spf1 ip4:217.28.100.50 ip6:2a02:ba8:100:0:250:56ff:fe8a:2a9b include:spf.protection.outlook.com include:spf.herrenknecht.com -all

There are 4 domains that have DNS TXT set to v=spf1 ip4:217.28.100.50 ip6:2a02:ba8:100:0:250:56ff:fe8a:2a9b include:spf.protection.outlook.com include:spf.herrenknecht.com -all. The top 4 records ordered by domain rank are listed below.

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