PROPER DNS SERVERS MAC UPDATE
PROPER DNS SERVERS MAC REGISTRATION

If you are making changes to your web site's DNS records, your old web site needs either to remain online (if static) or forward-proxy requests to your new site (if dynamic) at least until the TTL of your old DNS records has elapsed.Modify the A record for (also known as and point it to the IP address of the new web server.This is not configured in the same place where you create your A records and MX records, and it is highly unlikely that you have the power to do this yourself.Ī week or two later, once you are sure that your new MX record has taken effect, you can do the following so that people who try to visit your web site via instead of are not disappointed: If you are administering your own mail server (but please don't unless you're a mail expert), be sure that the owner of its IP address has created a PTR record so that reverse lookups will identify this address as.Create a TXT record containing the correct SPF information for your outbound mail.Create an MX record directing inbound mail to.Create an A record pointing to your inbound e-mail (SMTP) server.Modify the A record for so that it points to the IP address of your current web host.This can and should be tested prior to the actual cutover by configuring a new A record for and pointing it to the IP address of the new web site.I would suggest configuring your VirtualHost with ServerName and ServerAlias *.

However, if the web site's IP address is shared with other sites, the web server must support name-based virtual hosts.

The web site does not need to be on a dedicated IP address.

On whether a shared IP address will work for your web site:

Specialized e-mail offerings like Google Apps and Office 365 are far superior to the e-mail accounts that are bundled with web hosting accounts.

PROPER DNS SERVERS MAC REGISTRATION

Separating your domain registration and DNS services from your web hosting provider ensures that your web host won't have an incentive to make it difficult for you to switch providers.

It is not necessarily a bad thing to have your DNS, web hosting, and e-mail hosted by three different entities. On separate domain/DNS, web, and e-mail providers:

Handled by your existing mail server, but your web presence has been You'll end up with something along theĪt this point, I think you have what you want.

PROPER DNS SERVERS MAC UPDATE

Next, update the A record for and to point to your new site. Old MX record has time to expire from DNS caches. Now wait at least twice the TTL for your records to make sure the Register mx. as a new A record pointing to 1.2.3.4. and a bunch of unspecified CNAME records. If I understand your question correctly, you currently have theįollowing DNS records:. [Frankly, you have so much pretend data here that this is probably How do I need to arrange my name servers? Does the NEW site hosted with Company B need to be on a dedicated IP so that I can set 's A Record to that? Couldn't you simply change the MX Record to the IP Address of the email server?

If I'm understanding the current setup correctly, 'they' are pointing '' to the email server address JUST so they can set the MX Record as ''. Then all standard CNAME entires point to '' '' Email server runs on virtual host account with Company A.Ĭurrently, the DNS entries for '' that exist on Company A are as follows (Type, Name, Data) A Record,, '' NEW site exists as a user (~exampledotcom) on an account with Company B.Ĥ. '' A Record points to OLD site hosted by Company Z.ģ. The two primary objectives are to alter the DNS records for '' so that the 'internally hosted' email server (Domain registrar and email server host are the same) continue to function, while the domain itself points to an 'externally hosted' web site.ġ. I'm inheriting a mess and I need your help to straighten it out.

Proper dns servers mac