expo-congres.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a8:35:9a:85:84:83:f0:67:8f:12:b0:1a:34:07:a1:5a:a3 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:a8:35:9a:85:84:83:f0:67:8f:12:b0:1a:34:07:a1:5a:a3
Serial Number (int): 318575546843550644611518669432314977671843
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:e6:17:b7:8a:3c:9d:21:2c:d3:de:69:a6:30:a7:7b:04:ce:75:94
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b3:0c:5b:d4:87:59:39:ee:28:53:71:2a:b5:19:00:78:4c:16:06:25
Fingerprint (sha256): 2e:e8:15:ea:82:a3:10:12:2b:59:d8:7f:59:7b:dd:28:56:7e:66:22:f8:21:a4:53:c2:cd:bc:26:79:f2:8a:24

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmktYJJ6VnwQFNp/P2wfH
gFwy5ldK8yEnaJoKICnP4+I7ADkG5bRxbtsqa7jE6IxL/qDYubk/b4i5q68VVonD
HM83udjFU+BRYDTbboCFxOBoKzcKqau99GO/obEet+tSWNe7PaYsREb5zQ4HD2uN
YTi1w+gMWKi20JTaU9lTD6HNVpQ7lIEMCJ+0lOFmirIaJHej82czM2Hn/ioI/FLK
FgEMTOfoGoj3voR77Y8MhA4dz1g2hkFc7aXL2HBxZ//3vgott7wtxBgBdjoJLsFI
+mH7Fq+deY06Hs6xhKGPnREwGP+2wKyQxHE3JpC8ZHZfWyd5fu/Mxu0JEfz/uKhz
oQIDAQAB
-----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 318575546843550644611518669432314977671843
 . . . . . . . . [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 2024-01-03 13:59:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-02 13:59:56 +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 19477852628162909448290907227743434314422771180382750160678301832249902452119565134271639339717405451747073618930701552095563685154213318777525065280746070151433612721366856961498228519974739891237437569665444614957510390076998126032997459645476621066513349759490764477841906951294625170161561408210922930691394433919934805101950512687965429287570478191025004045355307512743402914102783258798522393298395361576376001429791956176215214578261686342817133450767106271622217660940845028351828642581767226552926564457752673312874231245369815962626873989445956987439364819282945826240634619041993497554741196832238178169761
 . . . . . . . . . . . . . . . . . . . . [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)
							dce617b78a3c9d212cd3de69a630a77b04ce7594
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ccfd69cec0000040300473045022100bc373e74f49f930b991a43d012d846a7c32568b23032c56631c82f2a48100a5202206849a272fd6ff234751164e52eb8c78982d5bd1be26b729ed4d0cceb740d0370007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ccfd69cf00000040300473045022100a6d5b0e086789573f5442b9649d3756220e5a974fa809203532be23e367c0acf02203e5e8c71b4d1bcbb7cf173a03c0d1bb9e7eb5d23ad458c201079dded0f2eac31
 . . . . [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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