Verification with DNS records allows for verification without changing the website. You simply verify by adding a destination for a specific subdomain that is unique for your domain or by adding a txt record to the main domain.
Common issues when verifying with DNS
It can take some time
DNS records need time to get updated across all DNS servers. This may take up to 48 hours.
If you’re still having problems with verification, send an email with your details and a description of the issue to email@example.com and we will do our best to help.