bystro.cr

Issued by R3

About this certificate

This digital certificate with serial number 04:23:79:8b:0e:36:af:f7:49:4d:4b:fb:dc:d2:8a:c0:24:ad was issued on by Let's Encrypt.

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=bystro.cr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:23:79:8b:0e:36:af:f7:49:4d:4b:fb:dc:d2:8a:c0:24:ad
Serial Number (int): 360520585174313658023823903785000663786669
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ea:66:67:43:79:24:63:a1:f2:a5:4f:a4:72:5c:b9:4e:1f:29:58:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 54:7e:e1:55:ed:09:6c:ac:15:d6:e5:16:dd:3c:e3:ef:df:90:c7:d1
Fingerprint (sha256): e7:02:b7:4b:3e:a9:95:9d:21:5f:89:6c:4b:b7:0b:7e:0a:e9:eb:a3:39:71:02:70:f0:85:df:b0:03:ab:c4:3f

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

Revocation information

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

Check the revocation status for certificate bystro.cr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bystro.cr

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

bystro.cr

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Certificate

The complete raw certificate details for bystro.cr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE3jCCA8agAwIBAgISBCN5iw42r/dJTUv73NKKwCStMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAzMjQxOTU2MTJaFw0yNDA2MjIxOTU2MTFaMBQxEjAQBgNVBAMT
CWJ5c3Ryby5jcjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOk4u/1j
6RubJBScbeNt6iL2asuK1ZBH+R18IbWrKH+hpJLFt4TDexpFa/IzXyY2iwIS79wm
6vi9Vx6VMPgUJBAvv6UVlgrLY/qNl79T/msA+gnyfInVL4grfKbnB2n/OPOPeoJh
sI9E8zIX7zTfekMuDyxnlUz76pDTStXC8ZJvIysH3UxahvFhOKYaiQy7+zAhM+2r
Fp2Y69X14oO1q2dL0L81n1fyTNrq4loGWVcDFd2mAfKNogqKxH3Z7VuDZbDbwZ7r
o2fNuumGDL+MNPIXMmsmOijUmjttnHA13f43rO58L6A1ccY457nWG79pGGH7Vynl
ZpYhaogLrkt+3ycCAwEAAaOCAgowggIGMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE
FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
6mZnQ3kkY6HypU+kcly5Th8pWAEwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v
nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s
ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wFAYD
VR0RBA0wC4IJYnlzdHJvLmNyMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYB
BAHWeQIEAgSB9ASB8QDvAHUAPxdLT9ciR1iUHWUchL4NEu2QN38fhWrrwb8ohez4
ZG4AAAGOcj/g4wAABAMARjBEAiA9RSXd536jr0EBicZQc9yksptenVlWFqIEwUAX
xwIdeQIgdLghbxU8Vch4TdRTBByxKfqIyjSOflLRFM+aV3EURpsAdgCi4r/WHt4v
Lweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAY5yP+F3AAAEAwBHMEUCIQCvO+7V
IGJk+6/ZV78Lgr2qCOXfYtq4O6wq6S+npGedAAIgfY7UmLmVv3qLdYvVK8xiu9e+
sdtzF6BGu6RbkkMURNAwDQYJKoZIhvcNAQELBQADggEBAEoUtsaswtY2PVC0edGD
OZZ0AcKPMNPGLVR9CNiEPF54uA4e0Frhq2BWmosyjN2XmKBE7t/1K9um8fGD8dWK
OOWeTxU2otwrDGWJqTtr9r+LJdQljYZ3Wdu+LrhZOGdBMWWiKb23x19vgfYLf7yz
cJE+uTB/jstsi4bOyhkJH8ltEzxrVMvtwDmzhuR6iaD5UjSNLvN2huuXdXY9neD9
O4YrORq+YsDPDAArdQbpG4JHxFSR+lyxD7cb8wajTsElQI/VUj24cddehc4mpjZG
WpVXYDLlCCZaAQ6bvhCXIAn6WaiO1KnOf061C/RSZzTpHHk2YhA+KpbfPKscmI/7
J3c=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6Ti7/WPpG5skFJxt423q
IvZqy4rVkEf5HXwhtasof6GkksW3hMN7GkVr8jNfJjaLAhLv3Cbq+L1XHpUw+BQk
EC+/pRWWCstj+o2Xv1P+awD6CfJ8idUviCt8pucHaf848496gmGwj0TzMhfvNN96
Qy4PLGeVTPvqkNNK1cLxkm8jKwfdTFqG8WE4phqJDLv7MCEz7asWnZjr1fXig7Wr
Z0vQvzWfV/JM2uriWgZZVwMV3aYB8o2iCorEfdntW4NlsNvBnuujZ8266YYMv4w0
8hcyayY6KNSaO22ccDXd/jes7nwvoDVxxjjnudYbv2kYYftXKeVmliFqiAuuS37f
JwIDAQAB
-----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 360520585174313658023823903785000663786669
 . . . . . . . . [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 2024-03-24 19:56:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-22 19:56:11 +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 'bystro.cr'
 . . . . . . . . [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 29441501800475814510132001743480638023817908672216787930529204040824387668790728099652504344959703415951442499298186861561906656188454236276109330324097610757082538685812184303774163926095434962170923242376222351465693752208478235408954845813060819903748809281847616834337787594986580756298120261157689167631277593806984825791481216032670398238722736389933406999348782060485472047729642851786737515558049395769907988516632722041914882015849884170158421800772143157498733864230158103148385435926373843014522972465330200803068561374691425846205902933518463757696179691994017746058892161631746933775444872009604260618023
 . . . . . . . . . . . . . . . . . . . . [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)
							ea666743792463a1f2a54fa4725cb94e1f295801
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bystro.cr'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e723fe0e3000004030046304402203d4525dde77ea3af410189c65073dca4b29b5e9d595616a204c14017c7021d79022074b8216f153c55c8784dd453041cb129fa88ca348e7e52d114cf9a577114469b007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e723fe1770000040300473045022100af3beed5206264fbafd957bf0b82bdaa08e5df62dab83bac2ae92fa7a4679d0002207d8ed498b995bf7a8b758bd52bcc62bbd7beb1db7317a046bba45b92431444d0
 . . . . [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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