psychologue-amelie-marchand-rennes.fr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6f:0a:29:ab:c3:a9:88:dc:99:9d:ba:5a:1b:31:7d:71:eb was issued on by Let's Encrypt.

With 2 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=psychologue-amelie-marchand-rennes.fr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6f:0a:29:ab:c3:a9:88:dc:99:9d:ba:5a:1b:31:7d:71:eb
Serial Number (int): 386233995103188207454634794058194481934827
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2b:f2:48:55:1a:20:97:59:74:8d:c2:dc:a6:5d:d9:99:c7:69:53:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e8:9d:18:fe:2c:b3:98:62:25:79:4b:cc:81:65:e4:10:b2:d5:0f:19
Fingerprint (sha256): dc:0e:bb:4a:2a:a2:e4:2c:9b:66:2f:32:3a:74:24:53:8d:75:7e:0d:f9:7c:df:3c:84:60:f7:ab:b4:0e:45:76

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate psychologue-amelie-marchand-rennes.fr

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for psychologue-amelie-marchand-rennes.fr

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

psychologue-amelie-marchand-rennes.fr
www.psychologue-amelie-marchand-rennes.fr

Other certificates including the domain name psychologue-amelie-marchand-rennes.fr

(limited to 100 certificates)

Certificate

The complete raw certificate details for psychologue-amelie-marchand-rennes.fr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5Feb5kbUWEqO8h0wQTy3
D6vm4dTLl5MQiTIK+WrI2qCeauyoe0I+kTwW/1HcuaPvuGaTMjOmgp7Z/0AWntjv
9g+S6ztsSavoigzpgHLLOCscGIPL51hycimSFo2KlGdFLgpfbiWIU9XnaJgegs0W
JuT6xtfHgHETyODWMNa+ez9pwTFgDzkb1gqtkpSamNBLH/SoL5Iklzhladdur9rS
tMdVuUrEZtKAI34HtZDOkKrgFfqj7XpkbXo0kLHQHzjkUK8/cYmAAbegECmOCxM6
R4l9TUGJnxEpUaozpBw6CgZEMfEKO5lqV8g64IL0wAWCOSiaKShh0Xcbw7mcaW11
ewIDAQAB
-----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 386233995103188207454634794058194481934827
 . . . . . . . . [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 2018-05-11 10:03:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-09 10:03:36 +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 'psychologue-amelie-marchand-rennes.fr'
 . . . . . . . . [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 28825535131674447801130204096567631916594811531103615258194590188190597404027374419954834918729273278696924979213875229632041511361214226507782556302049034768635851338742357047692284501003927512032074462481876878407057030060952643456913070993119266006454545860013712892454326969715543173255834948735982908493022586776785584588577048851288646906723415950979598842936241045127441667880863186910061595542926854957788610643670811125491365726045301337806402263865731888251678290999385932939057889214500719330042678685972533086318669345945611475021511576815644381702847960786510766178658580515688225378337839652369276433787
 . . . . . . . . . . . . . . . . . . . . [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)
							2bf248551a209759748dc2dca65dd999c7695345
 . . . . . . . . . . . . . . . . [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 (84 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psychologue-amelie-marchand-rennes.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.psychologue-amelie-marchand-rennes.fr'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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)
							00f2007700db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf64000001634eded39c0000040300483046022100c2d1c7e0beb6c175f3e442a8cb053a003d508b7cfdd22552f409e78eaf3189aa0221009b9a5fd4507bbbc1cdc14d2df29cfe246b9ed4df524ab8cd168cf8f0ad1428c0007700a4501269055a15545e6211ab37bc103f62ae5576a45e4b1714453e1b22106a25000001634eded37e0000040300483046022100bd9e315c2e8a7a753bbffb1fedc64b948d7b13c68f5b1439975a08fa442065a9022100fb977bf5a4ee48b72696d54378f3d7d3490b5f1e40169321da0ea925174738fa
 . . . . [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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