Email Domain Authentication in Cloudflare

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

šŸ“˜

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 eSputnik 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.

Cloudflare DNS management page with the DNS tab and the Add record button boxed in red

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.
Cloudflare Add record form with Type set to CNAME, Name esputnik._domainkey, Target dkim.esputnik.com, and the Type field and Save button boxed in red

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.
Cloudflare Add record form with Type set to TXT, TTL set to 1 hr, and the Content field with the SPF value boxed in red

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.
Cloudflare Add record form with Type set to TXT, TTL set to 1 hr, and the Content field with the SPF value boxed in red

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.
Cloudflare Add record form with Type set to MX, Mail server trap.esputnik.com, Priority 10, and the Save button boxed in red

The ready record would look as follows:

Cloudflare DNS records table with the CNAME, MX, and two TXT records for the sub subdomain boxed in red

Subdomain

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

Cloudflare DNS records table with the CNAME, MX, and TXT records for the sub subdomain boxed in red

Did this page help you?