Articles
Diagnosing a Domain That Works by IP but Not by Name
If the server responds by IP address but the domain name does not reach it, focus on DNS and...
Diagnosing Intermittent or Conflicting DNS Answers
Different DNS answers can occur when authoritative nameservers do not contain matching zone data...
Diagnosing DNS After Changing a Domain’s Nameservers
Changing nameservers changes which DNS servers are authoritative for the domain. The new...
Diagnosing DNSSEC After a Registrar, Nameserver, or Server Change
DNSSEC validation depends on the DNSKEY information served by the authoritative DNS system...
Diagnosing HTTPS That Works on One Hostname but Not Another
An SSL certificate is valid only for the hostnames included in its certificate names. A...
Diagnosing AutoSSL When a Domain Does Not Resolve Correctly
AutoSSL domain-control validation depends on the domain being reachable and correctly delegated....
Diagnosing a Force HTTPS Redirect Option That Is Unavailable
cPanel’s Domains interface can force HTTP requests to HTTPS, but the option is available only...
