Sorry for the issues. Is it the same account as you are using here? (I think so). If not, let me know here and I’lll send a private message to collect the details.
I think we need to loop in my colleagues in Support as now I am seeing different results than before. Can you create an Account ticket and share your ticket number here? I’ll flag it for the team to investigate.
Hello, I can see emails we are attempting to send to you are bouncing with the following errors ‘554 5.4.4 [internal] Domain Lookup Failed’ and 421 4.4.4 [internal] Domain Does Not Resolve
Please make sure this email has DNS records correctly set up to receive emails.