Skip to contentSkip to navigationSkip to topbar
Twilio SendGrid Docs
Page tools
On this page
Looking for more inspiration?Visit the

Canonical Name record (CNAME)

Internet standard. A DNS record that maps one hostname in a domain to another hostname instead of an IP address.

To map your custom hostname to the sendgrid.net domain, Twilio needs a CNAME record (canonical name record) that points to sendgrid.net. Twilio uses this CNAME for click and open tracking features. This routes those statistics to your Twilio SendGrid account. This also signs your messages, so your recipients will be able to see your CNAME.

CNAME example

cname-example page anchor
1
NAME                    TYPE   VALUE

2
--------------------------------------------------

3
clicks.example.com.     CNAME  sendgrid.net.

To configure reverse DNS for your dedicated IP address, add a CNAME record to your DNS host.

If you have trouble validating your CNAME record, see sender authentication troubleshooting.