DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Certificate Information

Subject
CN=umvrf.net
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 09, 2026
Valid Until
May 10, 2026 89 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B4:07:59:2E:19:18:EC:EA:C3:01:5B:2E:47:7E:BF:BA:C0:DA:CD:00:B0:BA:EC:A9:DD:92:8B:88:E6:BF:5D:4A
Alternative Names
89 domains

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
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

89 domains
scivox.com *.scivox.com

Other domains in certificate

2288bet3.net *.2288bet3.net *.sitemaps.2288bet3.net
888-nih-bos.store *.888-nih-bos.store *.ww38.888-nih-bos.store
8hiujia.com *.8hiujia.com
91122.lgbt *.91122.lgbt
aarabiyan.parts *.aarabiyan.parts *.api.aarabiyan.parts *.hostmaster.aarabiyan.parts
americadisposal.com *.americadisposal.com *.dns.americadisposal.com *.hostmaster.americadisposal.com *.mx7.americadisposal.com *.temp.americadisposal.com
beyondfitnessgoals.club *.beyondfitnessgoals.club *.shop.beyondfitnessgoals.club
bingelyplaylist.com *.bingelyplaylist.com *.dev.bingelyplaylist.com *.hostmaster.bingelyplaylist.com *.mail.bingelyplaylist.com *.rds.bingelyplaylist.com *.rdweb.bingelyplaylist.com
bonie.icu *.bonie.icu *.finanznachrichten.bonie.icu *.flugruckerstattungpro.bonie.icu *.potenziellesleben.bonie.icu *.swissfocusonline.bonie.icu
*.app.cool18.co cool18.co *.cool18.co *.wp.cool18.co
*.api.defrise.com *.backup.defrise.com *.crm.defrise.com defrise.com *.defrise.com *.dev.defrise.com *.mail.defrise.com *.test.defrise.com *.ww17.defrise.com
*.bonus.f8betg.life f8betg.life *.f8betg.life
janssenpatientassitance.com *.janssenpatientassitance.com
kudetabet98b.com *.kudetabet98b.com *.www.kudetabet98b.com
*.airup.outletzoon.com outletzoon.com *.outletzoon.com
salestraininginstitute.com *.salestraininginstitute.com
santis.com *.santis.com
schwartzberg.com *.schwartzberg.com
seascapephoto.com *.seascapephoto.com
shopschoolhouse.com *.shopschoolhouse.com
*.hostmaster.shortsupport.com shortsupport.com *.shortsupport.com *.ww25.shortsupport.com
shukumei.com *.shukumei.com
smartprojectpeak.xyz *.smartprojectpeak.xyz
songnfts.com *.songnfts.com
spectacularweddingsview.beauty *.spectacularweddingsview.beauty
umvrf.net *.umvrf.net
*.3212481.yt3bg055.shop yt3bg055.shop *.yt3bg055.shop