10IPS
My internet
My site
Tools
Site & domain
Full site scan
SSL / TLS
DNS
HTTP headers
Redirects
WHOIS
Network & access
Service status
Blocked in Russia
Port checker
Ping
Traceroute
Speed test
Privacy & email
VPN check
DNS leak test
WebRTC leak
Mail checker
SPF / DMARC
IP / ASN
All tools →
Monitoring
API
EN
RU
Cabinet
Enter to go · Esc to close
/
Site check
/
polytechnique.fr
/
SSL / TLS
Passport
TLS
DNS
MX
SPF
DMARC
polytechnique.fr
SSL/TLS certificate for polytechnique.fr
Certificate is valid. Expires in 88 days.
A
SSL/TLS
A
Days until expiry
88
Issuer
Hellenic Academic and Research Institutions CA
TLS version
TLSv1.3
Hostname match
yes
HSTS
max-age=31536000; includeSubDomains
SAN
www.polytechnique.fr, polytechnique.edu, www.polytechnique.edu, drupal.polytechnique.fr, polytechnique.fr
What changed since last time
Loading history…
Other checked sites
Site security rating →
ac-grenoble.fr ·
86
gettyimages.fr ·
71
centralesupelec.fr ·
90
bookofra-slot.fr ·
86
largus.fr ·
81
univ-tours.fr ·
79
femmeactuelle.fr ·
83
republicain-lorrain.fr ·
95
fft.fr ·
87
abritel.fr ·
88
reseau-canope.fr ·
92
mediasquare.fr ·
81