Domains with DNS TXT v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all

There are 10 domains that have DNS TXT set to v=spf1 include:_spf_a.sonderborg.dk include:_spf_b.sonderborg.dk -all. The top 10 records ordered by domain rank are listed below.

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