Using a custom domain ensures that links in other users’ emails do not influence the reputation of yours.
If possible, we recommend using a fully qualified domain that you control for the best possible protection. All that is required is creating a CNAME DNS entry.
See the list below for more information on creating a CNAME DNS entry on some common DNS providers.
- 123-reg: https://www.123-reg.co.uk/support/answers/Domains-Archive/Domain-Configuration/how-do-i-set-up-a-cname-record-on-my-domain-name-1198/
- 1and1: https://help.1and1.com/domains-c36931/manage-domains-c79822/dns-c37586/enter-a-cname-for-your-subdomain-a643600.html
- Bluehost: https://my.bluehost.com/cgi/help/cname#create
- CloudFlare: https://support.cloudflare.com/hc/en-us/articles/200169046-How-do-I-add-a-CNAME-record-
- Digital Ocean: https://www.digitalocean.com/community/questions/adding-a-subdomain-a-record-or-cname
- DNSimple: https://support.dnsimple.com/articles/cname-record/
- Dyn: https://help.dyn.com/create-cname-records-api/
- EasyDNS: https://fusion.easydns.com/index.php?/Knowledgebase/Article/View/140/7/dns-entries
- GoDaddy: https://www.godaddy.com/help/add-a-cname-record-19236
- Google Cloud DNS: https://cloud.google.com/dns/quickstart
- HostGator: http://support.hostgator.com/articles/cpanel/how-to-change-dns-zones-mx-cname-and-a-records
- Hover: https://help.hover.com/hc/en-us/articles/217282457-How-to-Edit-DNS-records-A-CNAME-MX-TXT-and-SRV-Updated-Aug-2015-
- InMotion: http://www.inmotionhosting.com/support/domain-names/dns-nameserver-changes/create-cname-record
- IX Webhosting: http://www.ixwebhosting.com/support/st_kb/how-to-add-a-custom-cname-record/
- Media Temple: https://mediatemple.net/community/products/dv/204403794/how-can-i-change-the-dns-records-for-my-domain
- NameCheap: https://www.namecheap.com/support/knowledgebase/article.aspx/9646/10/how-can-i-set-up-a-cname-record-for-my-domain
- Network Solutions: http://www.networksolutions.com/support/cname-records-host-aliases/
- Rackspace: https://support.rackspace.com/how-to/using-cnames-with-cloud-files-containers/