Various reports of all servers tested

Report for december 2013 | Results of the last day | Results of the last week | Results of the last month

TLS versions 2377 results

SSL 2 27 1.1%
SSL 3 166 7%
TLS 1.0 1864 78.4%
TLS 1.1 1945 81.8%
TLS 1.2 2282 96%

Grades 2377 results

A 1894 79.7%
B 297 12.5%
C 144 6.1%
D 6 0.3%
E 0 0%
F 37 1.6%
Does not penalize untrusted certificates.

RSA key sizes for domain certificates

RSA key size Count
1024 39 1.7%
2048 1178 51%
3049 2 0.1%
3072 23 1%
4096 1064 46.1%
8192 2 0.1%

StartTLS

Type Client to server Server to server
Required 933 77% 602 51.6%
Allowed 278 23% 565 48.4%

Trust

To do authenticated encryption, a certificate needs to be both trusted and valid. Trusted means it is issued by a well-known CA and valid means it is valid for the domain we want to connect to.

Trusted Untrusted
Valid 1637 65% 327 13%
Invalid 351 13.9% 204 8.1%

SASL mechanisms 1210 results

Mechanism # times offered before TLS # times offered after TLS
PLAIN 291 24% 1193 98.6%
SCRAM-SHA-1 200 16.5% 821 67.9%
X-OAUTH2 119 9.8% 355 29.3%
SCRAM-SHA-1-PLUS</