Check DNS TXT, MX, SOA
nslookup -q=txt yourdomainnaam.com nslookup -type=soa yourdomainnaam.com nslookup Default Server: ns01.upclive.nl Address: 62.179.104.196 > set q=mx > yourdomainnaam.com Server: ns01.upclive.nl Address: 62.179.104.196 Non-authoritative answer: yourdomainnaam.com MX preference = 0, mail exchanger = yourdomainnaam.com.mail.protection.outlook.com