sigla.sema.ma.gov.br has an A (IPv4) record (177.54.132.251) but a request to this address over port 80 did not succeed.
A timeout was experienced while communicating with sigla.sema.ma.gov.br/177.54.132.251: Get http://sigla.sema.ma.gov.br/.well-known/acme-challenge/letsdebug-test: context deadline exceeded
Trace:
@0ms: Making a request to http://sigla.sema.ma.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 177.54.132.251)
@0ms: Dialing 177.54.132.251
@10000ms: Experienced error: context deadline exceeded
A test authorization for sigla.sema.ma.gov.br to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://sigla.sema.ma.gov.br/.well-known/acme-challenge/76Q4ir6BI-lI1t90vMpsJzZMAKXVeK31NsAYokBRXlE: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: sigla.sema.ma.gov.br/177.54.132.251, Result: [Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://sigla.sema.ma.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 177.54.132.251)
@0ms: Dialing 177.54.132.251
@10000ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
sigla.sema.ma.gov.br. 0 IN A 177.54.132.251
Challenge update failures for sigla.sema.ma.gov.br in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/18283463
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://sigla.sema.ma.gov.br/.well-known/acme-challenge/76Q4ir6BI-lI1t90vMpsJzZMAKXVeK31NsAYokBRXlE: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for sigla.sema.ma.gov.br is: ma.gov.br
1 Certificates contributing to rate limits for this domain
Serial: 274090604747253780232632131232275551043921
NotBefore: 2019-01-02 15:20:08 +0000 UTC
Names: [suporte.sema.ma.gov.br]
The current status.io status for Let's Encrypt
Operational