Not sending emails to Custom domain

We can able to send and receive emails to gmail, we cannot able to send emails to custom domains like info@bitzburg.com etc… Recently we get this issue.

records are seem pointed to the zoho

The mail is not sending from bitzburg.in domain, I’m trying to send the mail to info@bitzburg.com,

And from bitzburg.in, I can able to send email to gmail like someone@gmail.com, But when I trying to send custom domain like some@example.com Its not sending, But Its working before properly.