DNS Gurus

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for reciprocal.com, www.reciprocal.com, stevepotash.net, www.stevepotash.net, stevepotash.com, www.stevepotash.com, stevepotash.org, www.stevepotash.org, stevepotash.us, not for dev.lib.overdrive.com

Cached · just now
91/100 SECURITY SCORE

Certificate Information

Subject
CN=reciprocal.com
Issuer
C=US, O=Google Trust Services, CN=WR1
Valid From
January 05, 2026
Valid Until
April 05, 2026 80 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F3:1D:67:CB:DF:3C:17:D5:0E:46:E8:9D:BE:EA:B3:B6:25:F9:6F:D2:59:B1:6B:E4:47:C0:1D:BE:0F:8E:20:DD
Alternative Names
100 domains

Security Configuration

TLS Protocols
TLS 1.2
Forward Secrecy
Limited (Check cipher configuration)
Warnings
  • • TLS 1.3 is not supported (recommended)

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
vr=(), midi=()
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org ; validationmethods=dns-01 pki.goog ; validationmethods=dns-01
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

100 domains
bestreads.com www.bestreads.com
cloud-branch.com www.cloud-branch.com
cloud-branch.net www.cloud-branch.net
cloud-branch.org www.cloud-branch.org
cloudbranch.net www.cloudbranch.net
cloudbranch.org www.cloudbranch.org
contentreserve.info www.contentreserve.info
digitalbooklocator.com www.digitalbooklocator.com
digitalbookmobiletour.com www.digitalbookmobiletour.com
digitalbooksearch.com www.digitalbooksearch.com
ebookevolved.net www.ebookevolved.net
edubundles.com www.edubundles.com
ereaderschoice.net www.ereaderschoice.net
ereaderschoice.org www.ereaderschoice.org
freeparentdownloads.com www.freeparentdownloads.com
getlibby.com www.getlibby.com
getlibby.net www.getlibby.net
getlibby.org www.getlibby.org
judgingabook.com www.judgingabook.com
judgingabook.net www.judgingabook.net
judgingabook.org www.judgingabook.org
libby-app.net www.libby-app.net
libby-app.org www.libby-app.org
libby.app www.libby.app
libbyapp.net www.libbyapp.net
libbyapp.org www.libbyapp.org
libraryatm.com www.libraryatm.com
libraryatm.net www.libraryatm.net
libraryatm.org www.libraryatm.org
mediavending.net www.mediavending.net
overdrivecloud.net www.overdrivecloud.net
overdrivecloud.org www.overdrivecloud.org
overdrivemarketplace.com www.overdrivemarketplace.com
professionalbooknerds.net www.professionalbooknerds.net
professionalbooknerds.org www.professionalbooknerds.org
read-a-likes.com www.read-a-likes.com
read-a-likes.net www.read-a-likes.net
read-a-likes.org www.read-a-likes.org
read-alikes.net www.read-alikes.net
read-alikes.org www.read-alikes.org
reciprocal.com www.reciprocal.com
sora.app www.sora.app
stevepotash.com www.stevepotash.com
stevepotash.net www.stevepotash.net
stevepotash.org www.stevepotash.org
stevepotash.us www.stevepotash.us
teachersnotebook.com www.teachersnotebook.com
thecloudbranch.com www.thecloudbranch.com
thecloudbranch.net www.thecloudbranch.net
thecloudbranch.org www.thecloudbranch.org