Cached · just now
75/100 SECURITY SCORE

Certificate Information

Subject
CN=k12.mobi
Issuer
C=US, O=Let's Encrypt, CN=YE2
Valid From
October 09, 2026
Valid Until
January 07, 2027 73 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
E8:C5:53:8C:78:06:97:0E:40:24:4E:45:69:F8:C7:AA:72:23:07:28:43:0A:57:3C:E2:A4:0B:B9:B4:E7:5C:4F
Alternative Names

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

90 domains
50.lc *.50.lc *.11.50.lc *.22.50.lc *.27.50.lc *.31.50.lc *.32.50.lc *.37.50.lc *.39.50.lc *.4.50.lc *.42.50.lc *.52.50.lc *.cq22q.50.lc *.file.50.lc *.hostmaster.50.lc *.pr.50.lc *.sf.50.lc

Other domains in certificate

antifungal.uk *.antifungal.uk *.www.antifungal.uk
decentral.business *.decentral.business
gadgetorb.com *.gadgetorb.com *.practice1.gadgetorb.com
k12.mobi *.k12.mobi *.mono.k12.mobi
lotpm.com *.lotpm.com *.wildcard.lotpm.com
*.m.mousebuster.com mousebuster.com *.mousebuster.com *.ts.mousebuster.com
pronosticirisultativinsenti.com *.pronosticirisultativinsenti.com
*.boost.sort.group *.dev.sort.group *.house.sort.group *.shop.sort.group sort.group *.sort.group *.superset.sort.group *.uat.sort.group *.wiki.sort.group
ss-metal.com.cn *.ss-metal.com.cn *.v.ss-metal.com.cn
*.filmpalast.stream-ing.xyz *.movie4k.stream-ing.xyz *.production.stream-ing.xyz *.putlocker.stream-ing.xyz *.riskonlinecasino.stream-ing.xyz *.roulettecode.stream-ing.xyz stream-ing.xyz *.stream-ing.xyz *.watchfreemovies.stream-ing.xyz *.watchtvseries.stream-ing.xyz
*.api.vlogging.pro *.app.vlogging.pro *.dev.vlogging.pro *.home.vlogging.pro *.hostmaster.vlogging.pro *.links.vlogging.pro *.m.vlogging.pro *.mobile.vlogging.pro *.news.vlogging.pro *.plex.vlogging.pro vlogging.pro *.vlogging.pro *.wap.vlogging.pro *.web.vlogging.pro *.webmail.vlogging.pro *.wildcard.vlogging.pro *.www.vlogging.pro *.xvedkweb.vlogging.pro
*.new.wallstickerwarehouse.co.uk wallstickerwarehouse.co.uk *.wallstickerwarehouse.co.uk
xxdmbjk1080.vip *.xxdmbjk1080.vip
xzkru504.top *.xzkru504.top
y-z.in *.y-z.in
yaqijie-store.com *.yaqijie-store.com
yovember.org *.yovember.org