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
/
centrum24.pl
/
SSL / TLS
Passport
TLS
DNS
MX
SPF
DMARC
centrum24.pl
SSL/TLS certificate for centrum24.pl
Certificate is valid. Expires in 48 days.
A
SSL/TLS
A
Days until expiry
48
Issuer
Asseco Data Systems S.A.
TLS version
TLSv1.2
Hostname match
yes
HSTS
max-age=31536000; includeSubDomains; preload
SAN
centrum24.pl, www.centrum24.pl
What changed since last time
Loading history…
Other checked sites
Site security rating →
sport.pl ·
81
polsatnews.pl ·
74
poznan.pl ·
78
zalando.pl ·
81
euro.com.pl ·
79
leroymerlin.pl ·
80
dorzeczy.pl ·
93
dziennik.pl ·
81
rmf24.pl ·
81
fakt.pl ·
87
krakow.pl ·
81
tvp.pl ·
81