Let's Debug

Test result for www.emplacaweb.com.br using http-01

www.emplacaweb.com.br has an AAAA (IPv6) record (2a02:4780:1:1::1:9b66) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
Get "http://www.emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test": dial tcp [2a02:4780:1:1::1:9b66]:80: connect: connection refused

Trace:
@0ms: Making a request to http://www.emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 2a02:4780:1:1::1:9b66)
@0ms: Dialing 2a02:4780:1:1::1:9b66
@22ms: Experienced error: dial tcp [2a02:4780:1:1::1:9b66]:80: connect: connection refused
Error
www.emplacaweb.com.br has an A (IPv4) record (45.15.24.138) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
Get "https://emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test": dial tcp [2a02:4780:1:1::1:9b66]:443: connect: connection refused

Trace:
@0ms: Making a request to http://www.emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 45.15.24.138)
@0ms: Dialing 45.15.24.138
@44ms: Server response: HTTP 301 Moved Permanently
@44ms: Received redirect to https://emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test
@2012ms: Dialing 2a02:4780:1:1::1:9b66
@2035ms: Experienced error: dial tcp [2a02:4780:1:1::1:9b66]:443: connect: connection refused
A test authorization for www.emplacaweb.com.br to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching https://emplacaweb.com.br/.well-known/acme-challenge/xNAVWspWjCry8JMtUAXG6yVAncwzuxLTOs7oy0VRTMY: Connection refused
Debug
CAA records control authorization for certificate authorities to issue certificates for a domain
www.emplacaweb.com.br. 0 IN CAA 0 issue "globalsign.com"
www.emplacaweb.com.br. 0 IN CAA 0 issue "letsencrypt.org"
www.emplacaweb.com.br. 0 IN CAA 0 issue "comodoca.com"
www.emplacaweb.com.br. 0 IN CAA 0 issue "digicert.com"
www.emplacaweb.com.br. 0 IN CAA 0 issuewild "letsencrypt.org"
www.emplacaweb.com.br. 0 IN CAA 0 issuewild "globalsign.com"
www.emplacaweb.com.br. 0 IN CAA 0 issuewild "comodoca.com"
www.emplacaweb.com.br. 0 IN CAA 0 issuewild "digicert.com"
Debug
Requests made to the domain
Request to: www.emplacaweb.com.br/2a02:4780:1:1::1:9b66, Result: [Address=2a02:4780:1:1::1:9b66,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://www.emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 2a02:4780:1:1::1:9b66)
@0ms: Dialing 2a02:4780:1:1::1:9b66
@22ms: Experienced error: dial tcp [2a02:4780:1:1::1:9b66]:80: connect: connection refused

Request to: www.emplacaweb.com.br/45.15.24.138, Result: [Address=45.15.24.138,Address Type=IPv4,Server=,HTTP Status=301,Number of Redirects=1,Final HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://www.emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 45.15.24.138)
@0ms: Dialing 45.15.24.138
@44ms: Server response: HTTP 301 Moved Permanently
@44ms: Received redirect to https://emplacaweb.com.br/.well-known/acme-challenge/letsdebug-test
@2012ms: Dialing 2a02:4780:1:1::1:9b66
@2035ms: Experienced error: dial tcp [2a02:4780:1:1::1:9b66]:443: connect: connection refused

Debug
A and AAAA records found for this domain
www.emplacaweb.com.br. 0 IN A 45.15.24.138
www.emplacaweb.com.br. 0 IN AAAA 2a02:4780:1:1::1:9b66
Challenge update failures for www.emplacaweb.com.br in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/230500398
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching https://emplacaweb.com.br/.well-known/acme-challenge/xNAVWspWjCry8JMtUAXG6yVAncwzuxLTOs7oy0VRTMY: Connection refused
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.emplacaweb.com.br is: com.br
Debug
1 Certificates contributing to rate limits for this domain

Serial: 293775037659606630992340540850876636394259
NotBefore: 2021-01-28 13:00:14 +0000 UTC
Names: [emplacaweb.com.br www.emplacaweb.com.br]

Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jan 28 14:15:19 2021. Sat in queue for 2ms. Completed in 6s. Hide verbose information.