The DNS resolver returned a server failure.
DNS_RESOLVER_FAILURE · Severity: Warning
- Warning
DNS_RESOLVER_FAILUREThe DNS resolver returned a server failure.
The resolver answered SERVFAIL. This often points to a problem with the domain's nameservers or its DNSSEC chain, but it can also be temporary.
Recommendation: Retry later. If it persists, check the domain's nameservers and DNSSEC.
Reported by
- CAA record check
- DNSSEC check
- DNS lookup
- Domain health check
- BIMI record check
- Mail configuration check
- DKIM selector finder
- DMARC check
- MTA-STS and TLS-RPT check
- MX lookup
- Mail provider detection
- Reverse DNS check for mail servers
- SPF check
- Site health check
Available through the API
- CAA record check API
- DNSSEC check API
- DNS lookup API
- Domain health check API
- BIMI record check API
- Mail configuration check API
- Bulk mail configuration check API
- DKIM selector finder API
- DMARC check API
- MTA-STS and TLS-RPT check API
- MX lookup API
- Mail provider detection API
- Reverse DNS check for mail servers API
- SPF check API
- Site health check API
Related findings
- Warning
DNS_RESOLVER_TIMEOUTThe DNS resolver did not answer in time. - Error
DNS_DOMAIN_NOT_FOUNDThe DNS resolver reported that the domain does not exist.