Email not being received

Email not being received

In the last 2 hours I cannot receive any of the emails. 

I've checked the MX Toolbox which retrieved this info:
Connecting to 104.21.4.79
6/22/2021 7:47:39 AM Connection attempt #1 - Unable to connect after 15 seconds. [15.05 sec]

LookupServer 15052ms

Can you tell me what's happening with email?




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