Manage DNS records in the dashboard
A, AAAA, CNAME, MX, TXT, SRV and CAA records, and what each one is for.
When your domain uses our nameservers, the zone is edited under Domains → your domain → DNS. Changes are live on our edge within seconds; how quickly the world sees them depends on the TTL.
Record types
| Type | Points to | Typical use |
|---|---|---|
| A | An IPv4 address | The root domain to your site |
| AAAA | An IPv6 address | Same, over IPv6 |
| CNAME | Another hostname | www, and third-party services |
| MX | A mail host, with priority | Where mail for the domain is delivered |
| TXT | Free text | SPF, DKIM, DMARC and ownership verification |
| SRV | A service, port and host | Autodiscover, SIP, some Microsoft services |
| CAA | A certificate authority | Restricting who may issue certificates |
Rules worth knowing
- A CNAME cannot exist at the root of a domain alongside other records. Use an A record there.
- Only one SPF record per domain. Several SPF records make all of them invalid; merge them into one.
- Deleting a record you did not create can break verification for a service you forgot about. Check what a TXT record says before removing it.
TTL
The TTL tells resolvers how long to cache an answer. The default of 3600 seconds is right for day-to-day use. Before a planned change, lower the record to 300 seconds a day in advance, make the change, then raise it again.
dig example.com MX +short
dig _dmarc.example.com TXT +short
dig www.example.com CNAME +short