Fixes
Change DNS Management To A DNS Host Outside Office 365
Step 1: Sign In
Sign in to the domain registrar for your domain
Step 2: Update The Nameservers
Discover the region on the registrar website where you update your nameservers records and update the nameservers to highlight your domain DNS Host
Step 3: Enter Setup Wizard
Follow a link to enter the setup wizard
Step 4: Domain Page
In admin center, go to the Settings -> Domain Page
Step 5: DNS Management
On the Domains Page, Select the domain that you gonna switch, then select DNS Management
Step 6: Manage My Own DNS Records
In the domains setup wizard, on the Set up your online services page, select I’ll manage my own DNS records, then select Next
Step 7: Add DNS Records
Add the DNS record that suggested by the wizard on the Update DNS Settings page to your registrar website
Step 8: Verify
After added the records, go back to Office 365 to verify
Change DNS Management To Office 365
Step 1: Domains Page
In Admin Center, go to settings -> Domains Page
Step 2: DNS Management
On the Domain page, select the domain that you want to switch, and select DNS Management
Step 3: My Online Services
In Domain setup wizard, on the Set Up your online services page, Select Set up my online services for me, then select Next
Step 4: Follow Instructions
If you have not verified the domain yet, follow the instructions to do so
Step 5: Update Nameservers
On the Update DNS settings page, we list the nameservers for Office 365. Go to the domain registrar for your domain, and update the nameservers to Office 365 nameservers.
Step 6: Verify
After updated the nameservers, wait at least an one hour. Then back in the wizard in Office 365, select Verify