Does it show the new URL in the browser or the original URL when the page has stopped loading?
Yes, once the page has loaded it displays the old URL.
Perhaps this exchange from our tech team might shed some more light.
On 5/15/19, at 8:21 am, James wrote:
Mike, We need to create and register a subdomain named blog.example.com
Per the instructions, we will need to our NS records to network solutions. The current site that blog will map to is https://example.me/ in which is hosted via wordpress in which that is going to stay there as well as the name. The instructions for non-wordpress domain registrar customers is linked below:
https://en.support.wordpress.com/domains/map-subdomain/#adding-a-mapping-subscription
On 5/15/19, at 12:18 pm, Mike wrote:
The records for blog.humankinetics.com have been added to internal and external DNS. Someone still needs to add a "mapping subscription" to the Wordpress site to enable it.
I believe I added the "mapping subscription."