duit.pt
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ab:40:7b:9d:a5:ed:d7:83:bc:71:85:95:01:f7:35:68:d0 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=duit.pt
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ab:40:7b:9d:a5:ed:d7:83:bc:71:85:95:01:f7:35:68:d0Serial Number (int): 319610854980489614668423834720465107380432
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 61:24:b6:55:6e:10:8d:ad:63:41:14:68:db:39:44:c9:60:59:64:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ab:bf:4b:03:f2:d9:d9:c6:7c:f3:84:7c:ed:b6:56:a6:b2:8b:4c:38
Fingerprint (sha256): 3e:5c:ff:46:45:98:ac:35:9e:8c:1a:52:30:5a:2f:b3:c9:76:54:fa:5a:e0:8e:46:19:fb:0e:f4:df:35:e8:c5
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate duit.pt
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for duit.pt
Public Key Algorithm
RSA
Key Size
2048
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
duit.pt
mail.duit.pt
www.duit.pt
mail.duit.pt
www.duit.pt
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Certificate
The complete raw certificate details for duit.pt in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFYzCCBEugAwIBAgISA6tAe52l7deDvHGFlQH3NWjQMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMjcxNDMxMzBaFw0x OTA0MjcxNDMxMzBaMBIxEDAOBgNVBAMTB2R1aXQucHQwggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQDQnh738q5cGWrObEJnx9PZfx9UCCfWhQMAVEQbzHEg S7l6x2+B8IuheP1/RhWWXVBouvbgpWZ8s7CSlSpsxvNCPZeVbXIHYcjZcFv8y3h6 FU46gAlTiD2RcxYsxUX/DI1Fv/gabnB83YNdWhQZFJ/b9S4LN+HM7c02SOJrYqs3 dtk5AnDdE08mB80NUE9iJa+5oF0Ms50c/hLN0Ppw7sDp+nviY7ZKb3rKnDCVXh9l ZL0339DXcR7babDS3LjwIBK+HfxZ2KjE8bC7toAaGDazqZqgL8702XYR2mANKp1M 7sX1edYOTLGI5q477od+gVLwW1ke3yGEBbD9QYGtWaBdAgMBAAGjggJ5MIICdTAO BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG A1UdEwEB/wQCMAAwHQYDVR0OBBYEFGEktlVuEI2tY0EUaNs5RMlgWWSmMB8GA1Ud IwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggr BgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggr BgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLQYD VR0RBCYwJIIHZHVpdC5wdIIMbWFpbC5kdWl0LnB0ggt3d3cuZHVpdC5wdDBMBgNV HSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpo dHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQYGCisGAQQB1nkCBAIEgfcEgfQA 8gB3AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABaI/v6AAAAAQD AEgwRgIhANyBJkgYls3wPHiAEI7BxP5ffkSIfYQ5LuuCOmFNY9lKAiEAxMwT9rTz ndYGYcxZyIWjAIXmRu0e7r/R1k2cJ+67AxMAdwApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAWiP7+YlAAAEAwBIMEYCIQDljFuhEnGPqO621KtE6yOg y/glmgyag0qA9DEzEhnCQQIhALpYElWv2P096cyG2XXkUE4XGVFgluGsbG/kpFS6 M+8iMA0GCSqGSIb3DQEBCwUAA4IBAQCFjgR5wCLbsvGuIjSwHE3zEXD4MFqiSB94 Gr0ZV1gPK/0vtGuBs5eqFIIh9YoumK2t6WBFxiDgO7RpD8XmopPFiguytdtxDl96 g2BZn27R7lysUKX4PCCDKnAmbvz1rP6+blieH7yvOPbmwF8GyeVKYzIxl1OMXI1R IcQ8s8lIts1ckLvznivMw2Z/AX2uplBz8o2+HFlWRMvV3sKjIOYjkI3+CPD6ZyP2 uR0UQgAucMIaQzG0CMtOmeNrR+aKQ9jxFcYgIBdydZsWAmYA8RBD+O10h5S9ogyS WxRcEDdQ11dLXJSZRgs3YDg5Py60pEs7rzABmIs0zM+zNG+CrPhC -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0J4e9/KuXBlqzmxCZ8fT 2X8fVAgn1oUDAFREG8xxIEu5esdvgfCLoXj9f0YVll1QaLr24KVmfLOwkpUqbMbz Qj2XlW1yB2HI2XBb/Mt4ehVOOoAJU4g9kXMWLMVF/wyNRb/4Gm5wfN2DXVoUGRSf 2/UuCzfhzO3NNkjia2KrN3bZOQJw3RNPJgfNDVBPYiWvuaBdDLOdHP4SzdD6cO7A 6fp74mO2Sm96ypwwlV4fZWS9N9/Q13Ee22mw0ty48CASvh38WdioxPGwu7aAGhg2 s6maoC/O9Nl2EdpgDSqdTO7F9XnWDkyxiOauO+6HfoFS8FtZHt8hhAWw/UGBrVmg XQIDAQAB -----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 319610854980489614668423834720465107380432 . . . . . . . . [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 2019-01-27 14:31:30 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-27 14:31:30 +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 'duit.pt' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26335539789753526503431174461663565100148367958326065051205242967935159818495873392617940954518539404744756011674520611994257708175664672965581726982330406496807990890301369923469437181976381122565029844563809460291576306156650058634080052490375319352761557560448059698097398089438232251740436352896339556459942991289002844519722603659733261011438255735335796411076884161720201351153885751608341822879364618442816653924884683615924667250639101574378820847526055530396702790345884508566754986087298202587091543500217394434091545809837850942349307445610731282141043209491692778369848584861009208787402304918459575279709 . . . . . . . . . . . . . . . . . . . . [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) 6124b6556e108dad63411468db3944c9605964a6 . . . . . . . . . . . . . . . . [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 (38 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duit.pt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.duit.pt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duit.pt' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001688fefe8000000040300483046022100dc8126481896cdf03c7880108ec1c4fe5f7e44887d84392eeb823a614d63d94a022100c4cc13f6b4f39dd60661cc59c885a30085e646ed1eeebfd1d64d9c27eebb0313007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001688fefe6250000040300483046022100e58c5ba112718fa8eeb6d4ab44eb23a0cbf8259a0c9a834a80f431331219c241022100ba581255afd8fd3de9cc86d975e4504e1719516096e1ac6c6fe4a454ba33ef22 . . . . [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) 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