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This is a
step-by-step document for beginners on how to create proper DNS entries
and avoid some of the pitfalls commonly encountered by novice users.
In this document, I
will use the interface from a RaQ4 since the
Cobalt RaQ DNS Interface is standardized.
Here are some guidelines to
follow:
- CNAMES
are evil. Do not use them, ever. (This is not a joke.)
- You need to remember these
details: Virtual Site Name, IP Address, the Domain Names that you want
to register.
- Only ONE (1) Reverse
Address (PTR) record is necessary for each unique IP Address.
It is already assumed that
you have registered the domain you want to use and have designated primary
and secondary name servers that are hosted on a RaQ - not necessarily the
same RaQ that is hosting the site.
More DNS documents can be
found here.
Unless otherwise noted, each
step is for both RaQ3 and RaQ4 platforms.
Step
1
My example is www.testing.com
with the IP address of 192.168.0.100.
I need the following domains
to resolve and point to that virtual site:
I also want to receive mail
on my site as well (emails sent to user@testing.com)
- therefore, the domain is testing.com.
Step
2
Next, we move on to the DNS
menu via Control Panel. Click on Parameters.
Step
3
Add the necessary Address (A)
records.
Shown here...
And here...
Finally...
INTERESTING
NOTE:
If I called my site - box.testing.com
- and I wanted web hits to testing.com,
box.testing.com and www.testing.com
to go to the same site, then I would have made Address
(A) records (See Step 3) for each of those 3 names.
However, multi-domain hosting is not available on a RaQ 3. On
a RaQ 4, you add the additional domain names that you want the
virtual site to respond to under Web Server Aliases
under the Virtual Site's Site Settings. In
this example, I would add testing.com and
box.testing.com to the Site Settings
of www.testing.com.
Step
4
Now to add the MX entry to
allow the domain to receive mail. This
is the tricky part since it also has a
direct relation to how you created the site in the beginning.
www.testing.com
is the name of the Virtual Site I created. Therefore, the users of my site
will be located there - the same users that will want to receive email.
The general rule is the Mail
Server (MX) record must point to the Address (A) Record of the Virtual
Site where you want to receive email.
To add the MX entries...
Enter the correct
information...
This next entry allows emails
sent to user@www.testing.com to
receive them as well...
And the final result is...
Step
5
The last step is to click on
"Save Changes to DNS Server"....
This ensures that the DNS
entries just made were saved.
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