4r52.com
Issued by R3
About this certificate
This digital certificate with serial number 04:3b:44:da:9a:ec:d9:d9:dc:ee:ce:66:3e:45:f0:4a:57:07 was issued on by Let's Encrypt.
With 19 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=4r52.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:3b:44:da:9a:ec:d9:d9:dc:ee:ce:66:3e:45:f0:4a:57:07Serial Number (int): 368617325942061237745698719555455428482823
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: ec:b0:45:e3:14:4a:fd:cd:55:a1:a3:df:ab:03:61:8f:09:73:fa:f5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): be:6c:c1:bb:0c:a0:67:20:09:49:2a:7a:42:ce:ff:2c:67:33:df:ef
Fingerprint (sha256): 81:f1:3e:49:7d:0d:74:8f:da:1f:50:8d:53:f1:db:0d:78:f9:5d:b1:d7:3e:89:21:15:44:3a:97:53:81:77:56
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate 4r52.com
19
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 4r52.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
*.2j27.com
*.2u89.com
*.4b01.com
*.4q53.com
*.4r52.com
*.7m7t.com
*.gln3.com
2j27.com
2u89.com
4b01.com
4q53.com
4r52.com
gln3.com
www.2j27.7m7t.com
www.2u89.7m7t.com
www.4b01.7m7t.com
www.4q53.7m7t.com
www.4r52.7m7t.com
www.gln3.7m7t.com
*.2u89.com
*.4b01.com
*.4q53.com
*.4r52.com
*.7m7t.com
*.gln3.com
2j27.com
2u89.com
4b01.com
4q53.com
4r52.com
gln3.com
www.2j27.7m7t.com
www.2u89.7m7t.com
www.4b01.7m7t.com
www.4q53.7m7t.com
www.4r52.7m7t.com
www.gln3.7m7t.com
Other certificates including the domain name 4r52.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 4r52.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF3DCCBMSgAwIBAgISBDtE2prs2dnc7s5mPkXwSlcHMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMjUwOTQ4NTZaFw0yNDA2MjMwOTQ4NTVaMBMxETAPBgNVBAMT CDRyNTIuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxyEXEuuZ 8stSmwXZOCGBYurG2eyraK4xv+H0aGuMp5tsqI5LQnNA6thHTlBXyym8BggE1fLr ttdhcY8ZY47v3Id7b2xzblUsv/4jk/ZLaztdkl4FemxzXowqGUp/2RXT1x0pacse hlNN/WB+ujxYXml5nzWwTJsH9rbM8dgnWGR/cboxqMJt85FtfEAwaqATywevzu9B q13fvxzx+tUxSv8EfLVGMGY6PHH0qhlzmVFzJWBbM6c/GB3EoFk7Mj9t1HVrUkBD OLNLw0xPG4eE7Mu31xxxZqvSfaoKZygZFk0GRkeKAFkLkFTr0R3/Kio/ZOz868iS 8fHKFqtN5TI0nQIDAQABo4IDCTCCAwUwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTs sEXjFEr9zVWho9+rA2GPCXP69TAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzCCAQ8G A1UdEQSCAQYwggECggoqLjJqMjcuY29tggoqLjJ1ODkuY29tggoqLjRiMDEuY29t ggoqLjRxNTMuY29tggoqLjRyNTIuY29tggoqLjdtN3QuY29tggoqLmdsbjMuY29t gggyajI3LmNvbYIIMnU4OS5jb22CCDRiMDEuY29tggg0cTUzLmNvbYIINHI1Mi5j b22CCGdsbjMuY29tghF3d3cuMmoyNy43bTd0LmNvbYIRd3d3LjJ1ODkuN203dC5j b22CEXd3dy40YjAxLjdtN3QuY29tghF3d3cuNHE1My43bTd0LmNvbYIRd3d3LjRy NTIuN203dC5jb22CEXd3dy5nbG4zLjdtN3QuY29tMBMGA1UdIAQMMAowCAYGZ4EM AQIBMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAPxdLT9ciR1iUHWUchL4NEu2Q N38fhWrrwb8ohez4ZG4AAAGOdTpGBAAABAMARzBFAiAG+s0JDshSCJ4H9llY4KCz zD64YTanoO3htPE7iu0mOAIhAOwFXsl/q1yVFcNJZu15NGrKiL9Q5dpDWYgTjslQ 0znJAHcA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGOdTpGAgAA BAMASDBGAiEAng7TwiqJt0sIbxIVgcGASetKGWWEzCdnAaTxx3YNAtECIQDSUYuN P4T4VAnmNlqFGyj7DoixjfHO+nDEuwNAV70jwTANBgkqhkiG9w0BAQsFAAOCAQEA Gl4SolEwNyjlRYxKDVRiprMZ+OhzDm5KSCOj9KtR/mMZpUayqRlCXjzWT+llubgJ MU3H6NJr90qz6TeDXXmEWhTAFLDBMjSw09DYxYp4m+Tt017WVEC9LkgyTHXmLkk9 fWP/q8zsZtCS737KB0FGLWyVkUtuq5D57ArxxURm/DeRsKZVfhOpzS0yrDQ0NoKN HGrt+ck0Y9fLaFrTGIhSEyPUr7OrFVdmoUQ6QyNr9kH6DQyAWLap6OSIV/jW9K0P EiiSOlwvqSegJEaaGG30sEGsVsZRzhEnWggn3hrIywvCepULFTtbBOol/uUc3G0p mGFhzlsvRvmReBaPKGO1QA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxyEXEuuZ8stSmwXZOCGB YurG2eyraK4xv+H0aGuMp5tsqI5LQnNA6thHTlBXyym8BggE1fLrttdhcY8ZY47v 3Id7b2xzblUsv/4jk/ZLaztdkl4FemxzXowqGUp/2RXT1x0pacsehlNN/WB+ujxY Xml5nzWwTJsH9rbM8dgnWGR/cboxqMJt85FtfEAwaqATywevzu9Bq13fvxzx+tUx Sv8EfLVGMGY6PHH0qhlzmVFzJWBbM6c/GB3EoFk7Mj9t1HVrUkBDOLNLw0xPG4eE 7Mu31xxxZqvSfaoKZygZFk0GRkeKAFkLkFTr0R3/Kio/ZOz868iS8fHKFqtN5TI0 nQIDAQAB -----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 368617325942061237745698719555455428482823 . . . . . . . . [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 2024-03-25 09:48:56 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-23 09:48:55 +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 '4r52.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 25137740040713377167019358215963294718696433795107070879872601101208510967417084349201821377037454684706996764683903725905161517594577958282781359252299524613753131042378715490867619537971656170212842643741270323199483056749852633022473039503801630785254917370580689937075560114390721530957563441776368242644498160805167284423793945305478942809915447927269370878077869672632723414068132367184531408566886823426655341903437303935445018956672326266674502317226308285277044004314450006848064341798608464959349210241268361739196444785669593964715172102373618908908208994219916427643586433179698189439145404407962215265437 . . . . . . . . . . . . . . . . . . . . [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) ecb045e3144afdcd55a1a3dfab03618f0973faf5 . . . . . . . . . . . . . . . . [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 (262 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.2j27.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.2u89.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.4b01.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.4q53.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.4r52.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.gln3.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '2j27.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '2u89.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4b01.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4q53.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4r52.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gln3.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.2j27.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.2u89.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.4b01.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.4q53.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.4r52.7m7t.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gln3.7m7t.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e753a46040000040300473045022006facd090ec852089e07f65958e0a0b3cc3eb86136a7a0ede1b4f13b8aed2638022100ec055ec97fab5c9515c34966ed79346aca88bf50e5da435988138ec950d339c9007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e753a460200000403004830460221009e0ed3c22a89b74b086f121581c18049eb4a196584cc276701a4f1c7760d02d1022100d2518b8d3f84f85409e6365a851b28fb0e88b18df1cefa70c4bb034057bd23c1 . . . . [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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