Python no-subject.badssl.com

gistfile1.txt

>>> import pprint, socket, ssl
>>> ctx = ssl.create_default_context()
>>> conn = socket.create_connection(('no-subject.badssl.com', 443))
>>> sconn = ctx.wrap_socket(conn, server_hostname='no-subject.badssl.com')
>>> pprint.pprint(sconn.getpeercert())
{'OCSP': (u'http://ocsp.comodoca.com',),
 'caIssuers': (u'http://crt.comodoca.com/UbiquiTLSDVRSAServerCA.crt',),
 'issuer': ((('countryName', u'GB'),),
            (('stateOrProvinceName', u'Greater Manchester'),),
            (('localityName', u'Salford'),),
            (('organizationName', u'COMODO CA Limited'),),
            (('commonName', u'UbiquiTLS\u2122 DV RSA Server CA'),)),
 'notAfter': 'Jun 16 23:59:59 2020 GMT',
 'notBefore': u'Mar 17 00:00:00 2017 GMT',
 'serialNumber': u'23E64F20C37C0D87101F7192EFC5D372',
 'subject': (),
 'subjectAltName': (('DNS', 'no-subject.badssl.com'),),
 'version': 3L}