---- Resolving host address...
---- 1 address found: 34.172.173.188
---- Connecting to ftp.autosyncstudio.com (34.172.173.188) port 21
<--- 220 (vsFTPd 3.0.3)
---> AUTH TLS
<--- 234 Proceed with negotiation.
---> USER
Certificate: CN=ftp.autosyncstudio.com
Issued by: C=US,O=Let's Encrypt,CN=R3
Checking against: C=US,O=Let's Encrypt,CN=R3
Trusted
Certificate: C=US,O=Let's Encrypt,CN=R3
Issued by: C=US,O=Internet Security Research Group,CN=ISRG Root X1
Checking against: C=US,O=Internet Security Research Group,CN=ISRG Root X1
Trusted
Certificate: C=US,O=Internet Security Research Group,CN=ISRG Root X1
Issued by: O=Digital Signature Trust Co.,CN=DST Root CA X3
WARNING: Certificate verification: Not trusted (93:3C:6D:DE:E9:5C:9C:41:A4:0F:9F:50:49:3D:82:BE:03:AD:87:BF)
<--- 530 Anonymous sessions may not use encryption.
---> QUIT
gnutls_record_recv: The TLS connection was non-properly terminated. Assuming EOF.
<--- 221 Goodbye.
---- Closing control socket