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  • Status: Solved
  • Priority: High
  • Security: Public
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Add several IP addresses to DNS A record within Server 2016

I need to add the following IP addresses to the A record of autodiscover.companyname.com within my Server 2016 AD domain:

        2603:1036:906:14::8
          2603:1036:3:66::8
          2603:1036:804:20::8
          2603:1036:101:4c::8
          2603:1036:906:84::8
          2603:1036:b00:15::8
          2603:1036:405:2::8
          2603:1036:101:2::8
          40.97.134.216
          40.97.121.8
          40.97.185.24
          40.100.162.200
          40.97.136.200
          40.97.124.40
          40.97.132.40
          40.97.115.56

What is the process to add all of these IP addresses to the DNS A record of autodiscover.companyname.com within my Server 2016 AD domain? All of these IP addresses need to be added, not just one.
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Knowledgeable
Asked:
Knowledgeable
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3 Solutions
 
Cliff GaliherCommented:
Multiple A records. One per address.
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Cliff GaliherCommented:
And in the name of full accuracy, the IPv6 records are AAAA records.
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KnowledgeableAuthor Commented:
When I create these A & AAAA records to I also want to create the associated pointer (PTR) records?
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Cliff GaliherCommented:
It isn't necessary from your profile final question. Whether you choose to or not depends on your needs.
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footechCommented:
I know exactly where this question is coming from.  You don't want to create the multiple A records (at least there's no need).  Just follow the instructions in the Office 365 portal and create the CNAME record for autodiscover.yourdomain.com and point it at autodiscover.outlook.com.  The records behind autodiscover.outlook.com could be changed by MS at any time, but autodiscover.outlook.com will always be correct.
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KnowledgeableAuthor Commented:
footech,

Can you please refer me to an article that explains that what you are saying is true? I need to be able to show this to some other people I work with.
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KnowledgeableAuthor Commented:
Everyone,

Are there any articles that explain that what footech is saying is valid?

I need to submit an article from a recognized authority before I can make a change like this within our network.
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Cliff GaliherCommented:
If thus is indeed for O365 (each region has its own IP addresses)!, so I haven't bothered to compare your list to any I know), then as he said, follow the instructions IN THE PORTAL. That is about as authoritative as you can get for evidence.  And honestly, if this is for O365, I don't know where you got the list of IPs anyways. You'd have to work harder to get the list than the official instructions. Weird.
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footechCommented:
There's not much I could add to Cliff's comment.  During domain setup in Office 365 it tells you which records you should add to DNS.  Whether it's public DNS or internal (like in a split DNS scenario), there's no reason to deviate from the records it tells you to create.
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