Query: ssl_server_supported_protocols

with supported_protocols as (
  select
    distinct version
  from
    net_tls_connection
  where
    address = $1 || ':443'
    and handshake_completed
  order by
    version desc
)
select
  'Protocols Supported' as label,
  string_agg(version, ', ') as value,
  'info' as type
from
  supported_protocols;