Domains with DNS TXT v=spf1 a mx ptr include:spf.smart-web.dk include:_spf.google.com a:mail.npkhosting.dk ~all

There are 4 domains that have DNS TXT set to v=spf1 a mx ptr include:spf.smart-web.dk include:_spf.google.com a:mail.npkhosting.dk ~all. The top 4 records ordered by domain rank are listed below.

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