Email Domain Authentication in Cloudflare

We offer three options for domain authentication – Full, Full+ and Subdomain). Read more on these options >

In this article, we will look at examples of setting up all these options in Cloudflare.

Settings

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Note

In each record below, Name uses your own domain or subdomain (the exact value depends on which authentication option you're setting up), while Target/Content/Mail server use a fixed Reteno value that's the same for every account: dkim.esputnik.com, spf2.esputnik.com, or trap.esputnik.com.

Log in to your Cloudflare account, go to the DNS app and click Add record.

Full

To verify your domain within the Full option, add the following records:

CNAME

1. In Type, select CNAME.
2. In Name, enter esputnik._domainkey.
3. In Target, enter dkim.esputnik.com.
4. Click Save.

TXT

1. In Type, select TXT.
2. In Name, enter your domain name.
3. In TTL, select 1 hour.
4. In Content, enter v=spf1 include:spf2.esputnik.com ~all.
5. Click Save.

Full+

To verify your domain within the Full+ option, add the following records:

TXT

1. In Type, select TXT.
2. In Name, enter your subdomain name.
3. In TTL, select 1 hour.
4. In Content, enter v=spf1 include:spf2.esputnik.com ~all.
5. Click Save.

MX

1. In Type, select MX.
2. In Name, enter your subdomain name.
3. In Mail server, enter trap.esputnik.com.
4. In TTL, select 1 hour.
5. In Priority, select 10.
6. Click Save.

The ready record would look as follows:

Subdomain

The ready record within the Subdomain option would look as follows: