TLS/SSL certificate check


Port to connect on:
Secure HTTP / HTTPS - port 443 Secured SMTP - port 465 Secured IMAP - port 993 Secured POP3 - port 995

TLS/SSL check of 'www.db4free.net'

Summary


Host:
www.db4free.net, 85.10.205.173, port 443


Protocols:
All good
 2 supported protocols: TLS 1.3, TLS 1.2


Certificate:
All good
 Certificate 'db4free.net' is verified okay. Issued by 'R3'. Expires 31-05-2024.

Protocol support



Protocol support:
TLS 1.3
Supported
TLS 1.2
Supported
TLS 1.1
No support
TLS 1.0
No support
SSL 3.0
No support
SSL 2.0
No support

Verification:
TLS 1.3 is supported
 

Chain of certificates

3 of 3 - End-Entity
db4free.net

Certificat:
db4free.net

Issued by:
R3, Let's Encrypt, US

Valid:
From 02-03-2024 to 31-05-2024

Verification:
Certificate is verified okay

SAN's:
db4free.net
db4free.org
dev.db4free.net
www.db4free.net
www.db4free.org

Key:
RSA, 2048 bit
Signature algorithm:
sha256RSA

Serial:
0347A91751D5661D3C50A2EA1E06B66A2C96

PEM format:
Click to see certificate as PEM (modal)

2 of 3 - Intermediate
R3

Certificat:
R3, Let's Encrypt, US

Issued by:
ISRG Root X1, Internet Security Research Group, US

Valid:
From 03-09-2020 to 15-09-2025

Verification:
Certificate is verified okay

Key:
RSA, 2048 bit
Signature algorithm:
sha256RSA

Serial:
00912B084ACF0C18A753F6D62E25A75F5A

PEM format:
Click to see certificate as PEM (modal)

1 of 3 - Root certificate
ISRG Root X1

Certificat:
ISRG Root X1, Internet Security Research Group, US

Issued by:
ISRG Root X1, Internet Security Research Group, US

Valid:
From 04-06-2015 to 04-06-2035

Verification:
Certificate is verified okay

Key:
RSA, 4096 bit
Signature algorithm:
sha256RSA

Serial:
008210CFB0D240E3594463E0BB63828B00

PEM format:
Click to see certificate as PEM (modal)

Root Store trust

Root Certificat:
ISRG Root X1
Issued by:
Internet Security Research Group

Root Store trust:
The root certificte is trustet by ALL major trusted root certificate stores

Microsoft:
Root Certificate is fully trusted by Microsoft (Windows)

Apple:
Root Certificate is fully is trusted by Apple (iOS, iPadOS, macOS)

Android:
Root Certificate is fully is trusted by Android

API

You may perform this lookup using the API and get the results as easy-to-parse JSON data.

Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.

 
GET
 https://iamroot.tech/ssl-certificate-check/api/?host=www.db4free.net copy try it
 

Log

1.190+1.190
  • Host 'www.db4free.net' resolved in 1.189ms
1.190+000
  • Check protocols
1.191+000
  • Start TLS 1.3 protocol check, www.db4free.net, port 443
1.191+000
  • Start SSL 2.0 protocol check, www.db4free.net, port 443
1.191+000
  • Start TLS 1.2 protocol check, www.db4free.net, port 443
1.191+000
  • Start TLS 1.1 protocol check, www.db4free.net, port 443
1.191+000
  • Start SSL 3.0 protocol check, www.db4free.net, port 443
1.191+000
  • Start TLS 1.0 protocol check, www.db4free.net, port 443
1.307+116
  • Protocol check of SSL 3.0 done in 115ms - failed
    Unable to authenticate connection using SSL 3.0
1.309+118
  • Protocol check of SSL 2.0 done in 117ms - failed
    Unable to authenticate connection using SSL 2.0
1.421+230
  • Protocol check of TLS 1.0 done in 229ms - failed
    Unable to authenticate connection using TLS 1.0
1.421+230
  • Protocol check of TLS 1.1 done in 229ms - failed
    Unable to authenticate connection using TLS 1.1
1.431+240
  • Protocol check of TLS 1.3 done in 239ms - all good
1.537+347
  • Protocol check of TLS 1.2 done in 346ms - all good
1.537+229
  • TLS 1.3 is supported
1.537+000
  • Done
1.538+000
  • Check certificate
1.538+000
  • Load and verify chain of certificates
1.630+092
  • Full chain of certificates has been loaded and verified in 92ms.
1.630+000
  • End-Entity certificate verification success
    Certificat 'db4free.net' SUCCEDED the verification.
1.630+000
  • Host 'www.db4free.net' is matching Subject/SAN 'www.db4free.net' of certificate. All good!
1.630+000
  • Intermediate certificate verification success
    Certificat 'R3' SUCCEDED the verification.
1.630+000
  • Root certificate verification success
    Certificat 'ISRG Root X1' SUCCEDED the verification.
1.630+000
  • Check root store status of root certificate
1.632+001
  • Trustet by all major trusted root certificate stores
    The root certificte is trustet by ALL major trusted root certificate stores
1.632+000
  • Done
1.632+000
  • Done
1.632+000
  • Done