Hi again,
Here is my ping:
ping acme-v02.api.letsencrypt.org
Pinging ca80a1adb12a4fbdac5ffcbc944e9a61.pacloudflare.com [172.65.32.248] with 32 bytes of data:
Reply from 172.65.32.248: bytes=32 time=36ms TTL=60
Reply from 172.65.32.248: bytes=32 time=36ms TTL=60
Reply from 172.65.32.248: bytes=32 time=36ms TTL=60
Reply from 172.65.32.248: bytes=32 time=36ms TTL=60
Here is the result of openssl command:
C:\Program Files\OpenSSL-Win64\bin>openssl s_client -connect acme-v02.api.letsencrypt.org:443
CONNECTED(00000184)
depth=1 C = US, O = Let’s Encrypt, CN = Let’s Encrypt Authority X3
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=0 CN = acme-v01.api.letsencrypt.org
verify return:1
Certificate chain
0 s:CN = acme-v01.api.letsencrypt.org
i:C = US, O = Let’s Encrypt, CN = Let’s Encrypt Authority X3
1 s:C = US, O = Let’s Encrypt, CN = Let’s Encrypt Authority X3
i:O = Digital Signature Trust Co., CN = DST Root CA X3
-----END CERTIFICATE-----
subject=CN = acme-v01.api.letsencrypt.org
issuer=C = US, O = Let’s Encrypt, CN = Let’s Encrypt Authority X3
No client certificate CA names sent
Peer signing digest: SHA512
Peer signature type: RSA
Server Temp Key: ECDH, P-256, 256 bits
SSL handshake has read 3440 bytes and written 456 bytes
Verification error: unable to get local issuer certificate
New, TLSv1.2, Cipher is ECDHE-RSA-AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES256-GCM-SHA384
Session-ID: 7A5CBE70902437D82D1C6913B5C267016D78A29B906508D00B2207CFEBBDC752
Session-ID-ctx:
Master-Key: 9706223476C86C56BC831737B06011DD885335830919C6195AB4FF563B9EB3718AA42B6FD667A67921166C022AA4DF61
PSK identity: None
PSK identity hint: None
SRP username: None
Start Time: 1597319781
Timeout : 7200 (sec)
Verify return code: 20 (unable to get local issuer certificate)
Extended master secret: no
closed