DNS tutorial
DNS records explained
A simple explanation of A, CNAME, MX, TXT, SPF, DKIM, and DMARC records.
Best for
Read this before connecting a domain to a website or email service.
Quick checklist
A and CNAME connect websitesConfirm this before ordering or changing account settings.
MX connects receiving emailConfirm this before ordering or changing account settings.
TXT verifies ownership and protects sendingConfirm this before ordering or changing account settings.
Search before ordering
After reviewing the checklist, use the same search flow to continue to NameSilo.
Website records
Most websites use an A record for the root domain and a CNAME for www. Your host will give you exact values.
Email records
Email setup usually needs MX for receiving and TXT records for SPF, DKIM, and DMARC.
FAQ
FAQ
Can one wrong DNS record break my site?
Yes. Change one thing at a time and keep a note of previous values.