I get the following error from a DNSStuff report and am having emails being blackholed by Cincinnati Bell and Roadrunner.
1)Should i be concerned about the info below
2) If I should what steps do i need to take to resolve the issue.
Checks the SMTP greeting for validity
No A records found matching banner text for following servers, and banner is not an address literal. RFC5321 requires one or the other (should not be a CNAME). If this is not set correctly, some mail platforms will reject or delay mail from you, and can cause hard to diagnose issues with deliverability. Mailserver details:
18.104.22.168 : - 220 mx.google.com ESMTP j7si12657181pbd.41 :
22.214.171.124 : - 220 mx.google.com ESMTP o19si5314760weq.92 :