A new agency has registered its domain and set up a mail server, but mail sent to its addresses from outside never arrives, while its website works. Which DNS record is most likely missing?
Une nouvelle agence a enregistré son domaine et installé un serveur de messagerie, mais le courrier envoyé de l'extérieur à ses adresses n'arrive jamais, alors que son site web fonctionne. Quel enregistrement DNS manque le plus probablement ?
Answers
AAn A record for wwwUn enregistrement A pour www
BA CNAME record for the websiteUn enregistrement CNAME pour le site web
CA PTR record for the web serverUn enregistrement PTR pour le serveur web
DAn MX record for the domainUn enregistrement MX pour le domaine
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