No emails coming through

No emails coming through

I am not receiving any incoming mails currently, but can send emails out.  I sent a test email from my gmail account to my inbox on Zoho and got the following error:

DNS Error: 672840 DNS type 'mx' lookup of idleads.co.za responded with code NOERROR 672840 DNS type 'aaaa' lookup of mx.zoho.com.idleads.co.za. responded with code NXDOMAIN 672840 DNS type 'a' lookup of mx.zoho.com.idleads.co.za. responded with code NXDOMAIN 672840 DNS type 'aaaa' lookup of mx2.zoho.com.idleads.co.za. responded with code NXDOMAIN 672840 DNS type 'a' lookup of mx2.zoho.com.idleads.co.za. responded with code NXDOMAIN 672840 DNS type 'aaaa' lookup of mx3.zoho.com.idleads.co.za. responded with code NXDOMAIN 672840 DNS type 'a' lookup of mx3.zoho.com.idleads.co.za. responded with code NXDOMAIN

Please help