www.iotplayground.tk has an A (IPv4) record (179.154.220.46) 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.
A timeout was experienced while communicating with www.iotplayground.tk/179.154.220.46: Get http://www.iotplayground.tk/.well-known/acme-challenge/letsdebug-test: context deadline exceeded
Trace:
@0ms: Making a request to http://www.iotplayground.tk/.well-known/acme-challenge/letsdebug-test (using initial IP 179.154.220.46)
@0ms: Dialing 179.154.220.46
@10000ms: Experienced error: context deadline exceeded
A test authorization for www.iotplayground.tk to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://www.iotplayground.tk/.well-known/acme-challenge/PVTM78kI7v3zT6VTnFSjjnYhtZMbJxw2pOs4_AM_RuY: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: www.iotplayground.tk/179.154.220.46, Result: [Address=179.154.220.46,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://www.iotplayground.tk/.well-known/acme-challenge/letsdebug-test (using initial IP 179.154.220.46)
@0ms: Dialing 179.154.220.46
@10000ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
www.iotplayground.tk. 0 IN A 179.154.220.46
Challenge update failures for www.iotplayground.tk in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/94817864
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://www.iotplayground.tk/.well-known/acme-challenge/PVTM78kI7v3zT6VTnFSjjnYhtZMbJxw2pOs4_AM_RuY: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.iotplayground.tk is: tk
The current status.io status for Let's Encrypt
Operational