expo-congres.com

Issued by R3

About this certificate

This digital certificate with serial number 03:53:87:e5:08:8d:2a:dd:31:b4:14:5d:68:64:56:37:6e:26 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=expo-congres.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:53:87:e5:08:8d:2a:dd:31:b4:14:5d:68:64:56:37:6e:26
Serial Number (int): 289760929238573914047161843717147823926822
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:50:9d:70:f0:36:82:9e:65:31:a8:38:9b:de:4b:cd:56:5e:ec:db
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ac:df:3e:5b:fe:e9:39:69:12:1b:8e:44:dd:49:f2:60:42:0e:19:cb
Fingerprint (sha256): 26:ab:5c:1b:06:c3:c0:cd:47:f2:fa:16:ee:c9:fb:50:12:2d:c2:4b:f7:29:02:42:b0:45:0d:3a:fb:05:88:83

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate expo-congres.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for expo-congres.com

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

expo-congres.com
www.expo-congres.com

Other certificates including the domain name expo-congres.com

(limited to 100 certificates)
expo-congres.com
www.expo-congres.com
expo-congres.com
expocongres.lamourduweb.com
expo-congres.com
www.expo-congres.com
expo-congres.com
expo-congres.com
www.expo-congres.com
www.expo-congres.com
expo-congres.com
expo-congres.com
www.expo-congres.com
www.expo-congres.com
expo-congres.com
www.expo-congres.com
www.gellik-surgeles.bzh
www.expo-congres.com
www.expo-congres.com
www.expo-congres.com
expo-congres.com
expocongres.lamourduweb.com
expo-congres.com
expo-congres.com
expo-congres.com
www.expo-congres.com
expocongres.lamourduweb.com
www.expo-congres.com
gellik-surgeles.bzh

Certificate

The complete raw certificate details for expo-congres.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0mr/JB7mWYtIDP0mHP73
lqqP4EN9vMbXbv6tujIb1iL4LhBnpYqMvUBKz/LPW0E1pm8cLY66vRKfPmAUSGff
PW9ynLG7S3tk+YsBaIclylfzpnkmseKcJigZ/TEzphndBZ0Dq3yB3GcACuCe4Q37
QreNDLl7/RrRTGmOF1dRZq5Es+ZMqca44ZThzyyfZCw9yUQuKFJwqFo0Lpn7e0zm
6qCujmBzFs2Dz6bHqz0ZNRb7L2rlxUY4lo2djMP4SKff6+M5pmd3OTnRQigH+isM
sLB6xyfztWW5wqEf1ffmLoJg6ZqMqHt/Qf4I0A6BWL4qDbTjogF9CvvagOhemd6q
UwIDAQAB
-----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 289760929238573914047161843717147823926822
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 13:38:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-31 13:38:01 +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 'expo-congres.com'
 . . . . . . . . [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 26562806054943653129737424509325089672799039767522269606413549362798988251486988151932510171738095075780303648443553329783972568262472926686771787583806403477071191910763565288402272188767459618207392994790939246768775553897304773949004737355562416818382519276927959105319216815402097113394827644221247444657904582406791337214409752218422635406656323334172960876850563837443011933451007604999649333846549014916395008273700939314789924939068487762842903747665738492284762638658048169721065030922751300679478027441796482924046933356827711828830240545835773073082818212015159576948563962773071650207176691552707999083091
 . . . . . . . . . . . . . . . . . . . . [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)
							32509d70f036829e6531a8389bde4bcd565eecdb
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'expo-congres.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.expo-congres.com'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dff99bd7a0000040300473045022100fec7a919a9f02fe90872915bcfb418322d59781e610460d44f5252f59c41f19f022010ba09296604fd4015bc22b1f0b97cae517cafc1266c1cc2ee833e3f3a7b01cf0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dff99bd80000004030047304502210099d8340614fc859938da8cbc623685130fbbdf7307f7bc52015eab88e4416375022071224965eab1060bfa99d258966adede7a0fa09bcc1937d4d390132f7e9760d7
 . . . . [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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