DV SSL/TLS Certificate for szkola.org

Certificate is witin its validity period

Issued by Google Trust Services (WR1)

About the szkola.org DV SSL/TLS Certificate

This certificate with serial number c1:88:bb:22:e7:f8:34:14:0e:46:c3:2c:4c:cc:29:d5 for szkola.org was issued on by Google Trust Services.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for szkola.org provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Google Trust Services

Organization: Google Trust Services
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): c1:88:bb:22:e7:f8:34:14:0e:46:c3:2c:4c:cc:29:d5
Serial Number (int): 257250951135394005180287520217794095573
Serial Number Length: 128 bits, 16 octets

Subject Key Identifier: a8:32:db:af:55:1e:1a:c8:4a:02:03:56:e0:a5:18:93:40:31:b8:9e
Authority Key Identifier: 66:69:49:d4:de:2a:9c:91:03:cf:89:0e:24:b8:0e:30:03:6e:88:2e

Fingerprint (SHA-1): 6e:d6:a4:39:03:87:e9:83:6d:60:8f:fb:c4:4e:b8:a7:ee:57:7f:8c
Fingerprint (SHA-256): 65:05:b7:da:2a:60:e4:cd:f3:b9:1b:1a:bc:19:43:9e:d9:74:ad:c6:8d:d1:25:76:4d:d9:87:47:bd:e3:02:1c

Issuing Certificate URL: http://i.pki.goog/wr1.crt

Revocation Information

OCSP Server: http://o.pki.goog/s/wr1/wYg
CRL Distribution Point: http://c.pki.goog/wr1/zjGRB4jr1-g.crl

Check the revocation status for certificate szkola.org
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for szkola.org

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for szkola.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFMDCCBBigAwIBAgIRAMGIuyLn+DQUDkbDLEzMKdUwDQYJKoZIhvcNAQELBQAw
OzELMAkGA1UEBhMCVVMxHjAcBgNVBAoTFUdvb2dsZSBUcnVzdCBTZXJ2aWNlczEM
MAoGA1UEAxMDV1IxMB4XDTI1MDUwNzExMzM0MVoXDTI1MDgwNTExMzM0MFowFTET
MBEGA1UEAxMKc3prb2xhLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC
ggEBAKYx1Oavxyj3FW/D7WyCiSDqafzy4hy6f9MK/ZKEFAS3Eg8yq5XJYtPJUxsO
CsorwYx8sBcrU9vPENTS2ANzLVQ7TU8/goLJORxw2UUDb6g/3TxKu/rrY1Mqa9P1
/ZPi5qM8Jf005GeVdw9BtYBsp62SMXkxE7iH0OD1tPzfX0XJiqWlWP89/zuR2ioT
BOnWFLP6bUgMFnKVNiKcMTSp9OXT/diGGyB17NyHijvLl+0qxs2yMkASTvBMYfM4
aokA42wyba5N+xovLIApKlD5JbmvmnP7Y6S8jL8YTKvkPRFlVza+IVa6z+uzPtY5
cDsHnhs52T+UQA3h5hBRG9hcg4MCAwEAAaOCAlMwggJPMA4GA1UdDwEB/wQEAwIF
oDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSo
MtuvVR4ayEoCA1bgpRiTQDG4njAfBgNVHSMEGDAWgBRmaUnU3iqckQPPiQ4kuA4w
A26ILjBeBggrBgEFBQcBAQRSMFAwJwYIKwYBBQUHMAGGG2h0dHA6Ly9vLnBraS5n
b29nL3Mvd3IxL3dZZzAlBggrBgEFBQcwAoYZaHR0cDovL2kucGtpLmdvb2cvd3Ix
LmNydDAlBgNVHREEHjAcggpzemtvbGEub3Jngg53d3cuc3prb2xhLm9yZzATBgNV
HSAEDDAKMAgGBmeBDAECATA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vYy5wa2ku
Z29vZy93cjEvempHUkI0anIxLWcuY3JsMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDw
AHYAzPsPaoVxCWX+lZtTzumyfCLphVwNl422qX5UwP5MDbAAAAGWqrzL6gAABAMA
RzBFAiEAiqq3vK7khtVeYLJas74HqrM/UkbBADxbkqN5Z82IBe0CICdmXogms2xD
hIRBEaKsgApeaNfCoV3ROfIwVXvjBmgfAHYA3dzKNJXX4RYF55Uy+sef+D0cUN/b
ADoUEnYKLKy7yCoAAAGWqrzL4QAABAMARzBFAiAQsMQnBbtsUEp53wCrhBLBVAf9
IvAR2VCH9nDHxvqvzwIhALvlW+/JcbmcmvpqL5mvSkudOPHYEasaWKManr1iRvSg
MA0GCSqGSIb3DQEBCwUAA4IBAQCO+cFkJOtEm8aebi04SWEbcHwGOScvCRGoAVk9
0tDiQuTfzip46yFdkxcVzkSKduQK1lR5/RbxcaTi8LBmuu/OiwVcn2nfYyQaAddi
+SCENosdPQdPhYue6TQ1gchB7oqshYG4Z09gjRtC5XzBxQajStGHIDW8K5LebcAr
N1EGTc6D5F6FsWpDBK4waOvfD+WrXru9si2xAg2bTTsYJrGsjWGkZepdNYQZPIwa
MmrX75rjZbCJl9b+Epe0+nvfmfacabkS+UvRhb0y4qjX18TYQlHNZ6HpnhT1RezG
7h3tTew7YYQiXzlpqfTJuj81GB9CbMWR/nU/kAktde8+iFp7
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApjHU5q/HKPcVb8PtbIKJ
IOpp/PLiHLp/0wr9koQUBLcSDzKrlcli08lTGw4KyivBjHywFytT288Q1NLYA3Mt
VDtNTz+Cgsk5HHDZRQNvqD/dPEq7+utjUypr0/X9k+Lmozwl/TTkZ5V3D0G1gGyn
rZIxeTETuIfQ4PW0/N9fRcmKpaVY/z3/O5HaKhME6dYUs/ptSAwWcpU2IpwxNKn0
5dP92IYbIHXs3IeKO8uX7SrGzbIyQBJO8Exh8zhqiQDjbDJtrk37Gi8sgCkqUPkl
ua+ac/tjpLyMvxhMq+Q9EWVXNr4hVrrP67M+1jlwOweeGznZP5RADeHmEFEb2FyD
gwIDAQAB
-----END PUBLIC KEY-----

ASN.1 Decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 257250951135394005180287520217794095573
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Google Trust Services'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'WR1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-07 11:33:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-05 11:33:40 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'szkola.org'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20980131524359099231716909405003492519515160733456972637262106850408357156939267016404782713684329032346309839942044328806430345211397334572479691222173821604899731646641416448212467694692471150817819597167273918311157560324474850281017301233214528547587446251350758835275962679567868624232602552552484855309876102303633881049028584956030131972137967809601862148985966649191396293255089966500304733608729847232214429134196359867244541370910225999406114391724481803815775452586258394149389343578957017464099278019365313361022532841341220923718388212709929255304137729412630178688436051461830533448123802983482959627139
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							a832dbaf551e1ac84a020356e0a518934031b89e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 666949d4de2a9c9103cf890e24b80e30036e882e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://o.pki.goog/s/wr1/wYg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://i.pki.goog/wr1.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'szkola.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.szkola.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (47 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://c.pki.goog/wr1/zjGRB4jr1-g.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196aabccbea00000403004730450221008aaab7bcaee486d55e60b25ab3be07aab33f5246c1003c5b92a37967cd8805ed022027665e8826b36c4384844111a2ac800a5e68d7c2a15dd139f230557be306681f007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196aabccbe10000040300473045022010b0c42705bb6c504a79df00ab8412c15407fd22f011d95087f670c7c6faafcf022100bbe55befc971b99c9afa6a2f99af4a4b9d38f1d811ab1a58a31a9ebd6246f4a0
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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