Target: 127.0.0.1:5901

prio  ciphersuite                    protocols  pfs                 curves
1     ECDHE-ECDSA-AES256-GCM-SHA384  TLSv1.2    ECDH,P-521,521bits  secp521r1,secp384r1
2     ECDHE-ECDSA-AES128-GCM-SHA256  TLSv1.2    ECDH,P-521,521bits  secp521r1,secp384r1
3     ECDHE-ECDSA-AES256-SHA384      TLSv1.2    ECDH,P-521,521bits  secp521r1,secp384r1
4     ECDHE-ECDSA-AES128-SHA256      TLSv1.2    ECDH,P-521,521bits  secp521r1,secp384r1

Certificate: untrusted, 384 bits, ecdsa-with-SHA256 signature
TLS ticket lifetime hint: None
NPN protocols: None
OCSP stapling: not supported
Cipher ordering: server
Curves ordering: server - fallback: no
Server supports secure renegotiation
Server supported compression methods: NONE
TLS Tolerance: yes

Intolerance to:
 SSL 3.254           : absent
 TLS 1.0             : PRESENT
 TLS 1.1             : PRESENT
 TLS 1.2             : absent
 TLS 1.3             : absent
 TLS 1.4             : absent