nsba.telsurcallcenter.com has an A (IPv4) record (201.174.234.43) 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 "http://nsba.telsurcallcenter.com/.well-known/acme-challenge/letsdebug-test": dial tcp 201.174.234.43:80: connect: no route to host
Trace:
@0ms: Making a request to http://nsba.telsurcallcenter.com/.well-known/acme-challenge/letsdebug-test (using initial IP 201.174.234.43)
@0ms: Dialing 201.174.234.43
@72ms: Experienced error: dial tcp 201.174.234.43:80: connect: no route to host
A test authorization for nsba.telsurcallcenter.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
201.174.234.43: Fetching http://nsba.telsurcallcenter.com/.well-known/acme-challenge/lY8hMfAwMpit1bPj0S2Fm_BbchOIK7JVi2Q3co-WYgs: Error getting validation data