www.helsinkioppii.fi
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:de:01:90:0a:79:44:ea:bd:8d:4c:c0:3e:f6:19:b3:64:b6 was issued on by Let's Encrypt.
With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.helsinkioppii.fi
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:de:01:90:0a:79:44:ea:bd:8d:4c:c0:3e:f6:19:b3:64:b6Serial Number (int): 336881620382904525224978390598498831787190
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a0:40:bc:b8:a1:1f:82:80:36:e5:2d:99:83:8c:e2:17:b4:71:03:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 11:a6:0c:0d:74:ba:67:6d:0d:35:95:d1:4d:3f:e5:0a:3f:cc:4a:37
Fingerprint (sha256): 22:5d:fc:da:42:6d:70:54:8b:40:22:82:c6:77:33:96:ad:32:1e:6f:6f:b5:e2:58:3a:a6:09:17:c3:6c:77:02
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.helsinkioppii.fi
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.helsinkioppii.fi
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
digiedu.dev.hel.ninja
helsinkioppii.fi
www.helsinkioppii.fi
helsinkioppii.fi
www.helsinkioppii.fi
Other certificates including the domain name helsinkioppii.fi
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.helsinkioppii.fi in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGijCCBXKgAwIBAgISA94BkAp5ROq9jUzAPvYZs2S2MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMjkxMzQyMDlaFw0y MDAyMjcxMzQyMDlaMB8xHTAbBgNVBAMTFHd3dy5oZWxzaW5raW9wcGlpLmZpMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqbPtLorqGqR2JAYEyvNFqsep Y2hremiDOIS+R2ysfqpM54m8DtRNB8NH7/iaQolY+NWzUZZA7X4M6eArUTeURBol hHJW5E/GuNsJYYOketsvpTE6GSC73a2N0lVbmW4krjd/amwtb4qgIWIk8CkkG1ZN xYzj2jIS9YOp5W4FfQ18Wi8jx7SdhKWZgdM3TFWJn3zPw3WHWjXFSY0LkMI2rPsa KhcPAum/Zag/T5Fe/haeefDongbV2T36C1f9klnGPIiG+BSBwQ09KoFxnXriG4AK p2fk23n4GaZKQBLSRO6KBp/vZe+PuXNVW1GvY7mEgIzIIzpGDcxgCHlxyxhQKABe sYkWCQlVZzRN/56nJvUX3BQnxk+BA+sVB0HoG8FmIUeM/JgNxSxVJjzlsPPae7sp xbSIqjt6CiuScjQUZ7gJ3DKbrQWHF5cjSZr57N2LMzGCMlh9C/UOJ31bs2DjYogb TZDg/e2lH/BLGPhw4biMHYN9UDBPp3kV99boklL2xpaSpgBG+LZCqsEHKH9CoAvI cTKP7m/qzKSszL3GNsTjn5TtgjH82R8n02rRIEDx/KICqvH7BUGmG/noRRODCKWq UT4/b8y7Rbyi5pht2DRAeQ0jjJqGN07wMoj0UsW6t5y4jxyh9x3aPNXBco6rtu/9 wTkPn9bSzFiO7yy+tkcCAwEAAaOCApMwggKPMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUoEC8uKEfgoA25S2Zg4ziF7RxA9AwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzBIBgNVHREEQTA/ghVkaWdpZWR1LmRl di5oZWwubmluamGCEGhlbHNpbmtpb3BwaWkuZmmCFHd3dy5oZWxzaW5raW9wcGlp LmZpMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIE AgSB9gSB8wDxAHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFu t5yu1wAABAMARzBFAiBi9wCFj7A1HBonCtUjJ3/cRlRzhuOxwRRvYGiyzWy4awIh AJBBJ8q1BNanLKJv3cbm2rejMUwM5ZL0vNCt8zyEGWm4AHcAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFut5yu0QAABAMASDBGAiEA0mpKT6U4HkSb EhkEzzRVM8KeE5gtn5Cmd4br0jZuCIkCIQDXathUTwmReQp+XX+u0t27Z0dHp4wL RpF+e0wj75WkATANBgkqhkiG9w0BAQsFAAOCAQEASE9ciTsN0eN7Qen4/+BxHlZI fNrHLWc1/hC+kZZEjY2wXtxdcrsM8TOlWWatCT0d7AHrsjBqOJos2xxPUAoGhQXc Xh9jxdg8L/LxFYM45sHK6wh4zqkPOUc00TPOuiFFJAueiKtseePILzb7ENpTTR5m egkipjcQx59Q7NYv+B1vZFOaJZ6Yjoy8706PrFhM9g9B7tyHNGBnBKTXYYaHVwVL 8Ln+OPCKbKTlYbWSCqVP6UEt+THFroDf9z/WOgt1sMUb6y/+DuvlRpXh2IVcb2kw EXybvMT+ZvlNjzpRoMeVzD+uoqC7T+4rBhO5A16tsvwNqeuXcAMZ0p1IokNL+w== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqbPtLorqGqR2JAYEyvNF qsepY2hremiDOIS+R2ysfqpM54m8DtRNB8NH7/iaQolY+NWzUZZA7X4M6eArUTeU RBolhHJW5E/GuNsJYYOketsvpTE6GSC73a2N0lVbmW4krjd/amwtb4qgIWIk8Ckk G1ZNxYzj2jIS9YOp5W4FfQ18Wi8jx7SdhKWZgdM3TFWJn3zPw3WHWjXFSY0LkMI2 rPsaKhcPAum/Zag/T5Fe/haeefDongbV2T36C1f9klnGPIiG+BSBwQ09KoFxnXri G4AKp2fk23n4GaZKQBLSRO6KBp/vZe+PuXNVW1GvY7mEgIzIIzpGDcxgCHlxyxhQ KABesYkWCQlVZzRN/56nJvUX3BQnxk+BA+sVB0HoG8FmIUeM/JgNxSxVJjzlsPPa e7spxbSIqjt6CiuScjQUZ7gJ3DKbrQWHF5cjSZr57N2LMzGCMlh9C/UOJ31bs2Dj YogbTZDg/e2lH/BLGPhw4biMHYN9UDBPp3kV99boklL2xpaSpgBG+LZCqsEHKH9C oAvIcTKP7m/qzKSszL3GNsTjn5TtgjH82R8n02rRIEDx/KICqvH7BUGmG/noRROD CKWqUT4/b8y7Rbyi5pht2DRAeQ0jjJqGN07wMoj0UsW6t5y4jxyh9x3aPNXBco6r tu/9wTkPn9bSzFiO7yy+tkcCAwEAAQ== -----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 336881620382904525224978390598498831787190 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 (countryName) . . . . . . . . . . . . . . . . . . . . [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 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [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 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-29 13:42:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-27 13:42:09 +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 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.helsinkioppii.fi' . . . . . . . . [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 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 692327175790164700053496206549209954123349385167502064887135879247793118494864402670692085084895136015508097483197477560050593010515662717935760128907933765948207368271057747799632878146212316392970066516478974920766433458035673134870308400116281914420640368991448076589281215863692068418910365959927347276936173114132487044250804723341575207502314869114951897687073853251397657757374973265661085003925816042027736965224706458169175043152810245721245815464154990757190842132612317796850568907972931797394743996443890623716396310546122022773557238152475671757670383621117000761712244950458761651812780392079140334761705220876363249214032921048186458074197407882076446233056295868216338844510470582048368435744003688537831611047854132597363587063665803171801427511404281664166449972450321674492724041214821651863124956743214608899687902013085346954522318854488072442579320522378007431244935314771885445032215955503029176956615317565917326948166702721338571260492653892947831947547864382249774865515108187267830539597123453488317095749981374799630876801925777880835628694207834673451361680142128659445176335146394284348283288177243562746738850184926002115798579235872322478319602589866364090029418231362535325907293937347427583968327239 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage) . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 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 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) a040bcb8a11f828036e52d99838ce217b47103d0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 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 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (65 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'digiedu.dev.hel.ninja' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'helsinkioppii.fi' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.helsinkioppii.fi' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016eb79caed70000040300473045022062f700858fb0351c1a270ad523277fdc46547386e3b1c1146f6068b2cd6cb86b022100904127cab504d6a72ca26fddc6e6dab7a3314c0ce592f4bcd0adf33c841969b8007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016eb79caed10000040300483046022100d26a4a4fa5381e449b121904cf345533c29e13982d9f90a67786ebd2366e0889022100d76ad8544f0991790a7e5d7faed2ddbb674747a78c0b46917e7b4c23ef95a401 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 00484f5c893b0dd1e37b41e9f8ffe0711e56487cdac72d6735fe10be9196448d8db05edc5d72bb0cf133a55966ad093d1dec01ebb2306a389a2cdb1c4f500a068505dc5e1f63c5d83c2ff2f1158338e6c1caeb0878cea90f394734d133ceba2145240b9e88ab6c79e3c82f36fb10da534d1e667a0922a63710c79f50ecd62ff81d6f64539a259e988e8cbcef4e8fac584cf60f41eedc8734606704a4d761868757054bf0b9fe38f08a6ca4e561b5920aa54fe9412df931c5ae80dff73fd63a0b75b0c51beb2ffe0eebe54695e1d8855c6f6930117c9bbcc4fe66f94d8f3a51a0c795cc3faea2a0bb4fee2b0613b9035eadb2fc0da9eb97700319d29d48a2434bfb