Zeige Informationen über Zertifikat auf Webseite (nmap)

nmap -p 443 -sV -sC gmail.google.com

...
PORT    STATE SERVICE  VERSION
443/tcp open  ssl/http Google httpd 2.0 (GFE)
|_http-methods: No Allow or Public header in OPTIONS response (status code 405)
| http-robots.txt: 251 disallowed entries (15 shown)
| /search /sdch /groups /images /catalogs /catalogues
| /news /nwshp /setnewsprefs? /index.html? /? /?hl=*&
|_/?hl=*&*&gws_rd=ssl /addurl/image? /mail/
|_http-title: Site doesn't have a title (text/html; charset=ISO-8859-1).
| ssl-cert: Subject: commonName=*.google.com/organizationName=Google Inc/stateOrProvinceName=California/countryName=US
| Not valid before: 2014-11-05T11:35:52+00:00
|_Not valid after:  2015-02-03T00:00:00+00:00
|_ssl-date: 2014-11-13T22:41:34+00:00; -1s from local time.
| tls-nextprotoneg:
|   spdy/5a1
|   h2-15
|   spdy/3.1
|   spdy/3
|_  http/1.1
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel