Emails received are rejected

root@panel:/home/ubuntu# curl -fsSL https://7j.gg/chksph2 | bash -s --
Test 01: Request ignored by Spamhaus or DNS Resolver timed out
Test 02: Request ignored by Spamhaus or DNS Resolver timed out
Test 03: Request ignored by Spamhaus or DNS Resolver timed out
Test 04: Request ignored by Spamhaus or DNS Resolver timed out
Test 05: Request ignored by Spamhaus or DNS Resolver timed out
Test 06: Request ignored by Spamhaus or DNS Resolver timed out
Test 07: Request ignored by Spamhaus or DNS Resolver timed out
Test 08: Request ignored by Spamhaus or DNS Resolver timed out
Test 09: Request ignored by Spamhaus or DNS Resolver timed out
Test 10: Request ignored by Spamhaus or DNS Resolver timed out

Result is bad, Spamhaus is blocking/ignoring your current DNS Resolver 127.0.0.53{}
root@panel:/home/ubuntu# resolvectl status
Global
         Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
  resolv.conf mode: stub
Current DNS Server: 76.76.2.0
       DNS Servers: 76.76.2.0 76.76.10.0

Link 2 (enp0s6)
    Current Scopes: DNS
         Protocols: +DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported
Current DNS Server: 169.254.169.254
       DNS Servers: 169.254.169.254
        DNS Domain: abdo.oraclevcn.com

Link 3 (docker0)
    Current Scopes: none
         Protocols: -DefaultRoute -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported