Domains with DNS TXT v=spf1 a:mx21.ulisboa.pt a:mx22.ulisboa.pt a:mx23.ulisboa.pt a:mx24.ulisboa.pt -all

There are 4 domains that have DNS TXT set to v=spf1 a:mx21.ulisboa.pt a:mx22.ulisboa.pt a:mx23.ulisboa.pt a:mx24.ulisboa.pt -all. The top 4 records ordered by domain rank are listed below.

We're currently tracking 402,299,576 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.