About OpsCheck

Infrastructure checks for sysadmins and hosting teams

OpsCheck is an online portal for practical DNS, SSL, email and network diagnostic checks. It is built for people who need quick, clear technical signals when troubleshooting domains, servers and infrastructure.

What OpsCheck provides

OpsCheck brings common hosting and infrastructure checks into one public toolkit, including DNS lookup, WHOIS lookup, SSL/TLS checks, IP and ASN lookup, blacklist checks, SMTP and email diagnostics, HTTP header checks and network-related tests.

Who it is for

The service is intended for sysadmins, hosting teams, developers, support teams and technically focused website owners who need to verify configuration, investigate delivery problems, confirm DNS changes or collect troubleshooting evidence.

Important limitations

Diagnostic results may depend on public DNS data, network reachability, third-party lookup sources, cache state, rate limits and the availability of external services. OpsCheck is designed to support troubleshooting, not to replace professional administration, monitoring or security review.