=== DNS Lookup for: internal.ignite360.io ===<br><br>9. All DNS records:
<br><br>10. Error handling example:
   No A records found for this-domain-definitely-does-not-exist-12345.com
<br>11. Domain existence check:
   google.com: EXISTS
   invalid-domain-xyz.com: NOT FOUND
   github.com: EXISTS
<br>12. Custom lookup function result:<br>   Domain: cloudflare.com<br>   Resolved: Yes<br>   IP Addresses: 104.16.132.229, 104.16.133.229<br>   MX Records: 4 found<br>   NS Records: ns5.cloudflare.com, ns4.cloudflare.com, ns7.cloudflare.com, ns6.cloudflare.com, ns3.cloudflare.com<br>