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vmichFlag for United States of America asked on

How to find the Internal IP address for O365

Trying to find out where the internal IP address is listed in O365

I have been looking all through the admin console but cant seem to find it.

Am I looking in the correct place?

Microsoft 365

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David Johnson, CD

8/22/2022 - Mon
Vasil Michev (MVP)

What do you mean by "internal IP address"? What are you trying to achieve?
David Johnson, CD

The internal IP address of the O365 servers is not disclosed and really would not be useful for a normal person. They are INTERNAL and not routable addresses.

Oh sorry maybe I need to explain better.
We had a scan ran on our network and when I check our mail domain with mxtoolbox, it shows that we are mail is going into the correct external mail system but there it shows that our dns is being hosted still  from and old external dns that we used to use for our email and such for our mail domain.
When I run test mail domain, it reports the old external company which we moved from and also when I run the cname via mxtoolbox, it still points to the old company
Mail is flowing just fine but some of these dns hosting issues is what we need to change.
SMTP in DNS is correct
Hope this makes better sense, if not let me know?

Your help has saved me hundreds of hours of internet surfing.
Vasil Michev (MVP)

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Yes they are all in O365 now
Ok I will go over this doc and just reading it real quick now, I noticed that we don't have any dmarc or spf record.
Are they not supposed to be created by O365 ?
Vasil Michev (MVP)

Depends, usually you'd still manage them at your DNS registrar. Microsoft has a feature that allows you to switch to using their NS servers, but that still requires config on your DNS registrar side.
David Johnson, CD

you have to go to the dns settings at the site of where you registered your domain. i.e. GoDaddy, Namecheap, ionos tucows. from there you setup your NS records to point to the dns server you want to use.
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