DNS Gurus
Cached · just now
79/100 SECURITY SCORE

Certificate Information

Subject
CN=phc.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 10, 2026
Valid Until
May 11, 2026 88 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A6:B9:C9:CE:FD:09:52:97:5F:F2:6A:35:DF:1A:7A:8A:59:E2:0B:09:55:AD:11:C7:29:1B:2C:62:EE:E7:FF:8B
Alternative Names
81 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
Good
SAMEORIGIN
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-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

81 domains
phc.com *.phc.com *.ap.phc.com *.az.phc.com *.bj.phc.com *.cosprings.phc.com *.dhn.phc.com *.e0spig5har.phc.com *.fallback.phc.com *.firstline.phc.com *.gateway.phc.com *.gknnbtyibgkigtu.phc.com *.go.phc.com *.jh.phc.com *.kbpnehdltdr.phc.com *.kfc2pix.phc.com *.lakewood.phc.com *.lasvegas.phc.com *.lcazfwsdhgtds.phc.com *.loveland.phc.com *.ltevmritkktdft.phc.com *.mail.phc.com *.mailing.phc.com *.mqtsudprtdjgjtj.phc.com *.mwutdvp.phc.com *.mx1.phc.com *.my.phc.com *.nacvijcftstdsq.phc.com *.newexchange.phc.com *.okta.phc.com *.op2gooave0althblocklm32.phc.com *.paphos1pix.phc.com *.pctt.phc.com *.pen.phc.com *.phc-test-podweb.phc.com *.phcencrypted.phc.com *.phcrds01.phc.com *.pj.phc.com *.reno.phc.com *.roswell.phc.com *.scrm.phc.com *.showlow.phc.com *.siga.phc.com *.smtp-qa.phc.com *.sonicwall.phc.com *.spdc.phc.com *.sslvpn.phc.com *.students.phc.com *.summers.phc.com *.tdvsorofqimrwb.phc.com *.thai.phc.com *.tw.phc.com *.webmail.phc.com *.ww16.phc.com *.ww38.phc.com *.ww6.phc.com *.www.phc.com *.xkb.phc.com *.xmqrgonmtdqt.phc.com *.zjttdakuz.phc.com

Other domains in certificate

benevolentbaskets.org *.benevolentbaskets.org
daki.blog *.daki.blog
nexusplayground.store *.nexusplayground.store *.smtp.nexusplayground.store
oneplus.click *.oneplus.click
operations.store *.operations.store *.ssm.operations.store
*.mx.ratuni.com ratuni.com *.ratuni.com
*.sitemap.valuesaas.co valuesaas.co *.valuesaas.co *.www.valuesaas.co
xn--gsteliege-v2a.de *.xn--gsteliege-v2a.de