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HTTP/2 Web Server Online Tester

Execution date: Sun, 20 Jan 2019 12:39:15 GMT, URL: mail.google.com/mail/mu/mp/35/cv/priority/5esmartlabelpersonal/1686aaea2d9b98c6, encryption: ALPN + unencrypted, test type: Query both.

IPv4 ALPN enabled test results

OK
172.217.22.37
HTTP/2 403
content-type: text/html; charset=UTF-8
date: Sun, 20 Jan 2019 12:39:14 GMT
expires: Sun, 20 Jan 2019 12:39:14 GMT
cache-control: private, max-age=0
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
server: GSE
alt-svc: clear
accept-ranges: none
vary: Accept-Encoding

IPv6 ALPN enabled test results

OK
2a00:1450:4001:81c::2005
HTTP/2 403
content-type: text/html; charset=UTF-8
date: Sun, 20 Jan 2019 12:39:14 GMT
expires: Sun, 20 Jan 2019 12:39:14 GMT
cache-control: private, max-age=0
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
server: GSE
alt-svc: clear
accept-ranges: none
vary: Accept-Encoding

IPv4 unencrypted test results

Fail
172.217.22.37

IPv6 unencrypted test results

Fail
2a00:1450:4001:81c::2005