Hosted Email auto-updating DKIM validation records

Google and Yahoo announced requirements targeting bulk senders and will require a DMARC in place beginning February 2024.  By focusing on email validation, they are helping prevent unwanted spam and potential bad actors from reaching their customers’ inboxes.  This will apply to all customers that have domains registered with us.

Tucows has developed an auto-updating DomainKeys Identified Mail (DKIM) record to assist with validation as long as the domain contains our records.

Accommodating DKIM and TXT records

Replace with your domain name.

Hosted email TXT record

CNAME record 3600 IN CNAME 3600 IN CNAME

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Locating your technical contact domain

As resellers, your technical domain email sends out account notices.  Adding the DKIM records to your technical email domain will be required.  After locating your domain, proceed with adding the DKIM records

  1. Log in to the Reseller Control Panel (RCP).
    RCP Login page.jpg
  2. Select Domains.

  3. Click Settings.  Your technical email domain is located under the default settings section. The DKIM record is needed for this domain.
    technical email.png

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Adding records with SystemDNS nameservers

To add a CNAME record for a domain using our nameservers, create a TXT record on the root of the domain.

  1. Log in to the Reseller Control Panel (RCP).
    RCP Login page.jpg
  2. Enter the domain name in the search field. 
    RCP Quick Search Field .jpg
  3. Click Search.
    RCP Quick Search Button.jpg
  4. Click on the domain name from the search results.
    RCP Domain Selection.jpg
  5. Click Edit in the DNS section. 
    RCP SPF DNS Edit Link.jpg

  6. Add the sub-domain and click Add Sub-domain to save.  If your registrar prefills your domain name in the host record fields, you can remove
    Note: Both sub-domain records are required.  Replace with your domain name.
    DKIM cname.png
  7. Select CNAME from the Add record drop-down menu.
    CNAME record.png
  8. Input the DKIM record.
    Important: Replace with your domain name.
    Record type Host value Address value
    DKIM cname record.png
    DKIM second cname record.png
  9. Click Save DNS settings.
    save dns settings.png
  10. An example of the final record result.
    Note: Replace with your domain.
    Final dkim.png

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Additional information

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