[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blog-en-1-dns":3},{"count":4,"items":5},1,[6],{"cover_image":7,"excerpt":8,"id":9,"pinned":10,"published_at":11,"severity":12,"slug":13,"tags":14,"title":18,"updated_at":11},"","Three DNS records decide whether Gmail and Outlook trust your domain. Here is what each one does and how to set them correctly.",2,false,"2026-08-26T19:45:32Z","info","spf-dkim-dmarc-krok-po-kroku",[15,16,17],"dns","hosting","poczta","SPF, DKIM and DMARC step by step – keeping your mail out of the spam folder"]