HOW DO I RECTIFY THIS ERRORS AND WARNING? DNS record not found and SOA expired value out of recommended range

HOW DO I RECTIFY THIS ERRORS AND WARNING? DNS record not found and SOA expired value out of recommended range

Updated my DKIM for Domain Servers because I get a warningf signal when I open my zoho email. Itis okay now. But upon using the MX Toolbox  to analyze my website domain health, they found one dmarc error 

dmarc

mlmduplicationsolution.com

DNS Record not found

and another warning for 

dns

mlmduplicationsolution.com

SOA Expire Value out of recommended range

HOW DO I RECTIFY THIS ERRORS AND WARNING?