Once DNS verification record has been deleted, your domain verification will be expired and its status is turned to "Need to Update".
You'll need to get DNS verification record and verify your domain name again if you get the status for your domain name.
Never delete verification record to keep domain verification and SSL certification to the latest.
Get verification record from Shifter dashboard
1. Login to Shifter dashboard
2. Navigate to Domain page of your Shifter site
3. Click [Get DNS Verification code]
4. Copy two field
Here is sample verification records:
Name: _samplednsrecord.www.example.com.
Value: _acmsamplednsrecord.vhzmpjdqfx.acm-validations.aws.
Updating verification record
1. Navigate to control Panel of your DNS server
Route 53 on AWS is for the sample.
2. Paste copied two record to the fields to edit record
3. Click [Save Record Set] to save changes
Confirm your domain name status is turned to "Verified"
1. Login to Shifter dashboard
2. Navigate to Domain page of your Shifter site
3. Confirm the "Status" is "Verified"
It may take a while.
That's all.