DV SSL/TLS Certificate for www.rdv55.fr

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.rdv55.fr DV SSL/TLS Certificate

This certificate with serial number 05:7b:e4:0c:c8:b5:8d:12:9a:c7:32:82:ef:e6:89:91:38:43 for www.rdv55.fr was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.rdv55.fr provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:7b:e4:0c:c8:b5:8d:12:9a:c7:32:82:ef:e6:89:91:38:43
Serial Number (int): 477719291151543805499452657382183582906435
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: cd:f1:41:27:57:44:05:25:cb:c9:da:f3:40:ef:83:9d:ae:b5:72:5a
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): d5:ca:25:f7:9f:5f:06:95:44:6f:e3:c5:3f:0e:bf:1f:f6:e2:5f:eb
Fingerprint (SHA-256): 91:41:9d:65:b8:a0:3e:2f:06:b3:9d:5f:04:0d:ab:48:e5:c5:79:fa:0e:ae:38:fd:90:01:36:e6:04:16:2d:d4

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/68.crl

Check the revocation status for certificate www.rdv55.fr
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.rdv55.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.rdv55.fr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE/zCCA+egAwIBAgISBXvkDMi1jRKaxzKC7+aJkThDMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTEwHhcNMjUwNjI2MDk1MTU1WhcNMjUwOTI0MDk1MTU0WjAXMRUwEwYDVQQD
Ewx3d3cucmR2NTUuZnIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCR
agx0EKcX08KufDnpCx0GQXM4wiHprRZfMPTeBbp4qM5jkRtZwP6Cv5XkzgchGAr8
NAdUdhjoOzpMkQjIS5QY/NAh/bbfqbsYmSfwKaAZJvJYTu1YN2P69lOSLM9TDnxo
+d+Y18QcvOBkIJrjcyF4jrZtmu64YBRa+v0ZLKx5O2MUHX3U7nzdkS23i2vaeet0
pLG2ufidfxDMVwl7ifjN5YwftYD/Xa2IwqMK28alL7aYzymIlZXfGllgWUArspkR
zGz/db3sUh+rcSQqrE4iGFUBketUgI4RJsYytAjxPCZYHwdfbCKP3e1Oq6QarB+F
xdAKjyJSBVljprO2yAAxAgMBAAGjggInMIICIzAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFM3xQSdXRAUly8na80Dvg52utXJaMB8GA1UdIwQYMBaAFMXPRqTq9MPAemyV
xC2wXpIvJuO5MDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDovL3Ix
MS5pLmxlbmNyLm9yZy8wIQYDVR0RBBowGIIIcmR2NTUuZnKCDHd3dy5yZHY1NS5m
cjATBgNVHSAEDDAKMAgGBmeBDAECATAuBgNVHR8EJzAlMCOgIaAfhh1odHRwOi8v
cjExLmMubGVuY3Iub3JnLzY4LmNybDCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3
AMz7D2qFcQll/pWbU87psnwi6YVcDZeNtql+VMD+TA2wAAABl6vcOaEAAAQDAEgw
RgIhANwYXFFcXgjw7Q84XNEd1dNVVuVQdKQQ3Jd1/envKP5zAiEAvYzA2Yp2+DpD
SekdJeCWTyhSAEz+u0Dnc+tCTWjES9gAdgAS8U40vVNyTIQGGcOPP3oT+Oe1YoeI
nG0wBYTr5YYmOgAAAZer3DmPAAAEAwBHMEUCIQCf9hFr4ondHDAAjv5+lsBhQK8S
q6X2wv5u7lhDlCiwAAIgAeE7iCR7Wkm3augHGBEHDMT3bQGyxhpnmTzkchRhmdcw
DQYJKoZIhvcNAQELBQADggEBAIWKnVEeNR3zJ0lgrMMvVc9Hs2f2V7MesTHWLC0A
+HRIjoiEFFx2XWwaIXZvmYtFa48ESJJeqdK3yGeACkjv7S3ZIJ7BO4lkkhdtBFb4
uNwjj/v3YjVph2ML4Dh1O9w46KsMwhg6RNaiDXI4RcKLkOeSvChCwvuPZjuXpd5F
U1IwBk8qaKXGQ3qTBhp6AQy0a3DqZaii3I6jq6DkI/otA3v8AHDHp+V5VLhPzGWG
NP3HbtNl/oeCHdthPMCXIbKOzO33bZaP2/TpISiD6wnanMEVC8Bww2eEM+X4rR1M
tfACUR6cmGKRIBdfVSQ/HV7+y0/zotcGEFnBRsoOiYXpTUQ=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkWoMdBCnF9PCrnw56Qsd
BkFzOMIh6a0WXzD03gW6eKjOY5EbWcD+gr+V5M4HIRgK/DQHVHYY6Ds6TJEIyEuU
GPzQIf2236m7GJkn8CmgGSbyWE7tWDdj+vZTkizPUw58aPnfmNfEHLzgZCCa43Mh
eI62bZruuGAUWvr9GSyseTtjFB191O583ZEtt4tr2nnrdKSxtrn4nX8QzFcJe4n4
zeWMH7WA/12tiMKjCtvGpS+2mM8piJWV3xpZYFlAK7KZEcxs/3W97FIfq3EkKqxO
IhhVAZHrVICOESbGMrQI8TwmWB8HX2wij93tTqukGqwfhcXQCo8iUgVZY6aztsgA
MQIDAQAB
-----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 477719291151543805499452657382183582906435
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-26 09:51:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-24 09:51:54 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.rdv55.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
 . . . . . . . . . . . . . . . . [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 18356848756471134342162625781713703879392711364555828958137506780383261325413452436344481292587880084780577571414275362059561184372597207579829509377613298184785310554015714099936588487050384829795669819205955229004538252534341177284487900948770635697242754254752104765729042482755194292732093860316118762284242956271996355881306434105283433534737929023978882950073429752937594948106720487069751834219396946470271216433442529978013051559481701712721548411527267955064919508606160274920567184978526274261265838915036380533036915191523176850103528446196325586454098066205732755891346941055791690414083649388695167434801
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							cdf1412757440525cbc9daf340ef839daeb5725a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rdv55.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rdv55.fr'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/68.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197abdc39a10000040300483046022100dc185c515c5e08f0ed0f385cd11dd5d35556e55074a410dc9775fde9ef28fe73022100bd8cc0d98a76f83a4349e91d25e0964f2852004cfebb40e773eb424d68c44bd800760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197abdc398f00000403004730450221009ff6116be289dd1c30008efe7e96c06140af12aba5f6c2fe6eee58439428b000022001e13b88247b5a49b76ae8071811070cc4f76d01b2c61a67993ce472146199d7
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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