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Follow these instructions to integrate your current domain name with your Comcast Business email, SharePoint and web hosting services. For more information on registering a new domain, please read "Register a custom domain name".
Sign in to your Comcast Business online account and select Websites from the Manage Services menu.
Note: You must be the Primary Manager or Services Manager to manage domain names.
Select Register/bring domain.
Select the radio button for Bring existing domain.
If you are already using Microsoft email through Comcast or have already registered a domain through Comcast, you will only see the first box. Please type in the domain you want to transfer.
If you do not have Microsoft email through Comcast or have not registered a domain, a second box will appear and be pre-populated with your business name. This information is required to complete your domain transfer.
From the Domain ownership verification page, copy your Source alias and Target value and provide that information to your current DNS provider.
Verify DNS propagation.
Visit the Comcast.net DNS tool.
Enter host name.
Change record type to CNAME.
Set Name Server to Comcast DNS Servers.
Click Submit Query.
Sign back in to your Comcast Business online account and select Websites from the Manage Services menu.
Select Manage domains.
If your DNS provider has successfully added the CNAME and it has propagated correctly, Steps 2 and 3 will be displayed with green check marks on the Domain ownership verification page. If completed, select I’m done.
If not completed, Steps 2 and 3 will be displayed as Not Completed. Verify that your CNAME entries are correct and try again.
Back up your email and website. These files cannot be transferred from their current provider to Comcast.
Check that your domain displays Active on the Manage domains page (and confirm that you have backed up your email and web hosting files). Once active, you have three options from which to choose to use Comcast for:
Option 1. both email and website hosting,
Option 2. just email hosting, or
Option 3. just website hosting.
Directions for options 1, 2 and 3 are as follows:
Option 1. For both email and website hosting through Comcast, access your registrar (e.g., Godaddy.com, Network Solutions) and update the current Name Server entries to the following Comcast addresses:
Note: If needed, the IP address for adns.cs.siteprotect.com is 18.104.22.168. The IP address for bdns.cs.siteprotect.com is 22.214.171.124
You have now completed integrating your current domain with your Comcast Business Internet service.
Option 2. If you only want Comcast to host your email, you will need to update your MX records with your DNS provider to the correct Comcast MX records as follows:
• Select DNS info for domains.
• The DNS name will display the information for your registered domain.
• The MX records will start with mq01 / mq02 / mx01.
• The DNS name will also display the Mail server records of:
• Autodiscover / SMTP / POP /IMAP
Please note that these Mail server records are entered as “CNAME” records by your DNS provider (Example: autodiscover.mydomain.com ttl CNAME autodiscover-rd.”yourmailserver”)
Option 3. If you only want Comcast to host your website, you will need to update only your A record to the correct Comcast A record. To obtain the correct Comcast A record, please call 1-800-391-3000.
1. Sign in to your Comcast Business online account and select Websites from the Manage Services menu.
2. Select DNS info for domains.
3. Under Domains, select your registered domain from the dropdown list.
4. The DNS Name will display the information for your registered domain.
You can also try calling your registrar for help with making these required changes.
• Learn more about name servers and DNS.
Find out how to register a new custom domain name for use with your Comcast Business email and website.
Enjoy the convenience of being able to switch between Comcast's Business, Commerce and Professional plans whenever you want.
Learn about some of the common terms associated with DNS and how to apply DNS settings.
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