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SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (58 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: Yes, we were able to verify the certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: No, we were unable to detect any issues in the certificate chain sent by the server
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status: OCSP Responder returned "good" status for the end-entity certificate

DNS Information

Resolves To: 185.17.117.32
Reverse IP lookup: No records found
Nameserver: ns.mafracz.net.
Nameserver: ns2.mafra.cz.
Nameserver: ns.mafra.cz.

General Information

Common Name: *.idnes.cz
SANs: DNS:*.idnes.czDNS:idnes.cz Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 452afbfcfe46185d8d49e80c1541ee4
Not Before: Feb 17, 2021 00:00:00 GMT
Not After: Feb 02, 2022 23:59:59 GMT
Number of certs: 3
Revocation Status: good
OCSP Stapling: Supported
Server: Not Provided
HSTS: max-age=15552000
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.idnes.cz

Decode this certificate for verbose information →
Subject Common Name *.idnes.cz
Issuer Common Name Sectigo RSA Domain Validation Secure Server CA
Issuer Organization Sectigo Limited
Not Before: Feb 17, 2021 00:00:00 GMT
Not After: Feb 02, 2022 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 452afbfcfe46185d8d49e80c1541ee4
SHA1 Fingerprint: 11:39:24:E5:E7:4B:F8:EB:93:38:A3:7F:B9:A7:41:9A:AE:3E:2A:52
MD5 Fingerprint: 0C:07:18:E6:4E:AC:EB:A9:CC:51:A1:CA:AF:2B:49:43

Certificate # 2 - Common Name: Sectigo RSA Domain Validation Secure Server CA

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name Sectigo RSA Domain Validation Secure Server CA
Subject Organization Sectigo Limited
Issuer Common Name USERTrust RSA Certification Authority
Issuer Organization The USERTRUST Network
Not Before: Nov 02, 2018 00:00:00 GMT
Not After: Dec 31, 2030 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 7d5b5126b476ba11db74160bbc530da7
SHA1 Fingerprint: 33:E4:E8:08:07:20:4C:2B:61:82:A3:A1:4B:59:1A:CD:25:B5:F0:DB
MD5 Fingerprint: AD:AB:5C:4D:F0:31:FB:92:99:F7:1A:DA:7E:18:F6:13

Certificate # 3 - Common Name: USERTrust RSA Certification Authority

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name USERTrust RSA Certification Authority
Subject Organization The USERTRUST Network
Issuer Common Name AAA Certificate Services
Issuer Organization Comodo CA Limited
Not Before: Mar 12, 2019 00:00:00 GMT
Not After: Dec 31, 2028 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 3972443af922b751d7d36c10dd313595
SHA1 Fingerprint: D8:9E:3B:D4:3D:5D:90:9B:47:A1:89:77:AA:9D:5C:E3:6C:EE:18:4C
MD5 Fingerprint: 28:5E:C9:09:C4:AB:0D:2D:57:F5:08:6B:22:57:99:AA

OpenSSL Handshake

depth=2 C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
verify return:1
depth=1 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
verify return:1
depth=0 CN = *.idnes.cz
verify return:1
CONNECTED(00000003)
OCSP response: 
======================================
OCSP Response Data:
    OCSP Response Status: successful (0x0)
    Response Type: Basic OCSP Response
    Version: 1 (0x0)
    Responder Id: 8D8C5EC454AD8AE177E99BF99B05E1B8018D61E1
    Produced At: Dec  3 18:44:31 2021 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 430BD20E4F137A1A6C918F24E5DA7E324D4733C8
      Issuer Key Hash: 8D8C5EC454AD8AE177E99BF99B05E1B8018D61E1
      Serial Number: 0452AFBFCFE46185D8D49E80C1541EE4
    Cert Status: good
    This Update: Dec  3 18:44:31 2021 GMT
    Next Update: Dec 10 18:44:31 2021 GMT

    Signature Algorithm: sha256WithRSAEncryption
         b6:44:ac:87:75:83:44:22:51:20:66:da:bf:62:a3:2f:22:35:
         32:25:2c:ec:09:4c:de:27:4f:92:2a:99:f1:a5:c0:a6:11:de:
         f9:41:39:d3:de:fa:09:a7:c2:1b:b4:36:9a:78:fa:d5:45:db:
         01:7c:b5:5a:ea:30:32:03:4a:c6:a5:94:f7:b8:07:04:45:42:
         5e:4c:e2:e8:1e:1e:61:eb:ea:b0:7f:c3:30:0d:7c:60:6f:21:
         12:fb:38:35:12:78:d9:6e:71:1c:af:12:de:cb:61:5c:a1:b2:
         63:72:57:70:3c:fd:83:a2:fa:6a:6a:b3:58:ad:24:21:d9:0a:
         83:cd:ae:e2:9a:2c:57:ef:6b:ba:75:35:e9:63:51:09:91:5c:
         11:e4:22:e4:7c:74:a2:5f:4e:94:da:2a:dc:fa:b4:32:60:a9:
         69:dd:0d:3a:82:30:12:cd:ae:63:0e:97:55:0e:bd:b2:44:bc:
         35:3e:59:c8:ab:23:a5:3b:03:bd:83:4a:19:4b:b2:33:87:70:
         0f:bd:38:b3:a2:60:46:0d:59:d6:d8:c2:5a:ea:36:a3:6b:d6:
         b3:f2:a3:db:cd:1a:01:fb:b7:07:19:1d:47:ff:9b:75:64:31:
         e7:6b:07:c3:7d:d8:fb:c8:ca:c9:75:14:6e:c6:ad:10:6f:00:
         4e:3f:a7:0b
======================================
---
Certificate chain
 0 s:/CN=*.idnes.cz
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
   i:/C=US/ST=New Jersey/L=Jersey City/O=The USERTRUST Network/CN=USERTrust RSA Certification Authority
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 2 s:/C=US/ST=New Jersey/L=Jersey City/O=The USERTRUST Network/CN=USERTrust RSA Certification Authority
   i:/C=GB/ST=Greater Manchester/L=Salford/O=Comodo CA Limited/CN=AAA Certificate Services
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
---
Server certificate
subject=/CN=*.idnes.cz
issuer=/C=GB/ST=Greater Manchester/L=Salford/O=Sectigo Limited/CN=Sectigo RSA Domain Validation Secure Server CA
---
No client certificate CA names sent
Peer signing digest: SHA256
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 5435 bytes and written 328 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES128-GCM-SHA256
    Session-ID: 361CD956CAA18D7A9F64568AB169B48390A05B800C5C2D6B494C7D8E82F90493
    Session-ID-ctx: 
    Master-Key: 704B2170E8F70C3BDAFF8F0F9B4DC0B71EA5BC43AF2464212D2F1E11866F9C312921262A4DF4BDBE1FF7BCB8F8F983EC
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1638771479
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE