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I would like to know how to create a subdomain which I can use to send email with: I have the domain example.com (hosted elsewhere but with zone records managed through Custom DNS), and I would like to set up subdomain e.example.com so that I can send email such as email@example.com. I do not yet have a mailserver, although I am considering Dyn Email Forward (possibly with Dyn Email MX Backup) or Google Apps, as well as possibly my own mailserver. Clearly when I decide on the above, I will be able to find out the mx record for the mailserver ("MX.mailserver.com"). 1. Do I need to create an A record to create the subdomain e.example.com? Would I need to point this to an IP address? At the moment I am not sure where I would want to point this. I do have a static IP address where the A record for example.com is pointing, but I have no particular need for e.example.com to point anywhere (unless it is required for setting up the subdomain). 2. Then I know that I would need to set up MX records something like below, but would I need to set up the A record as well as the MX records? e.example.com 43200 MX 10 [MX.mailserver.com] e.example.com 43200 MX 20 [MX.mailserver.com] 3.I read a number of community questions and answers yesterday, and I saw that someone was told that the hosting company need to create the subdomain. However as I have all my DNS zone records at DynDNS, I am assuming that I can create the subdomain through Custom DNS. Am I right? 4.I read another note on your website about using Custom DNS just to manage the subdomain, created in the host. I would like to create my subdomain in my existing Custom DNS zone records (with the main zone records for the domain); am I able to do that? 5.Do I need to create NS records in the DNS for the subdomain? If not, is there any advantage in doing so, and can I do that in my existing Custom DNS account? I would be grateful for some simple answers to the above which explain how to set up a subdomain which I can use for sending email.
Answer by Cry Havok · Aug 17, 2011 at 03:48 PM
This is a user to user forum
e.example.com within your domain and set MX records for
e.example.com to suit. You don't need anything other than the MX records, certainly you shouldn't create
NS records if you're also managing
e.example.com with Custom DNS.
I am still a little uncertain about "creating e.example.com within my domain". I have set the name servers on the company through which I have registered my domain to point to the DynDNS Custom DNS servers, so all my zone records are in Custom DNS.
How do I do this? (I think this it relates to my questions 1, 3 & 4 above, which may be a complicated way of asking the same thing.) Do I just need the MX records in Custom DNS? Is that sufficient or do I need to do anything else?
Yes - all you need is to create
MX records for
e.example.com. There's nothing else needed. You'll do that in Custom DNS, as you do with all your other DNS records.
Answer by euser · Aug 17, 2011 at 04:04 PM
Thank you for answer which clarifies that I do not need to create NS records. I am still a little uncertain about "creating e.example.com within my domain". I have set the name servers on the company through which I have registered my domain to point to the DynDNS Custom DNS servers, so all my zone records are in Custom DNS. How do I do this? (I think this it relates to my questions 1, 3 & 4 above, which may be a complicated way of asking the same thing.) Do I just need the MX records in Custom DNS? Is that sufficient or do I need to do anything else?
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