Hi, since yesterday we are having multiple issues with our email clients, outlook says poppro.zoho.com can't be reached (attached screenshot).

The problem shows as an intermitency, we try several times on a short time space (1-2 mins) and 3/5 attemps results on a failure.

We have checked possible firewall issues (no firewall on our network), tested with a different ISP and the problem persist.

Our affected domain is dahac.com.mx

I'd attached a tracert result and a outlook error screenshot.

Thanks in advance for your help.