becker-rf.com
Issued by R3
About this certificate
This digital certificate with serial number 04:83:62:c1:64:ac:2c:f0:b4:24:79:bf:4d:b3:e0:cc:a4:f9 was issued on by Let's Encrypt.
With 8 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=becker-rf.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:83:62:c1:64:ac:2c:f0:b4:24:79:bf:4d:b3:e0:cc:a4:f9Serial Number (int): 393157402292446656928422728735455594718457
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 29:39:a4:f9:50:18:e0:74:45:b3:d9:7d:38:08:1c:17:b9:7c:90:52
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): e6:2d:5c:d1:1b:dc:58:fd:3b:78:34:fc:fc:0b:50:ea:63:9f:62:dc
Fingerprint (sha256): 30:ce:42:07:a9:d3:09:f1:57:b3:2c:fd:40:36:9e:8b:ba:08:21:dc:da:9d:e6:95:5e:ff:8a:61:c4:8c:b4:9c
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate becker-rf.com
8
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for becker-rf.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
api.becker-rf.com
backend.becker-rf.com
becker-rf.com
beckernt2.api.itool4.net
beckernt2.b01.itool4.net
beckernt2.cron.itool4.net
cron.becker-rf.com
www.becker-rf.com
backend.becker-rf.com
becker-rf.com
beckernt2.api.itool4.net
beckernt2.b01.itool4.net
beckernt2.cron.itool4.net
cron.becker-rf.com
www.becker-rf.com
Other certificates including the domain name becker-rf.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for becker-rf.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFiTCCBHGgAwIBAgISBINiwWSsLPC0JHm/TbPgzKT5MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzExMjAwMTA3NTZaFw0yNDAyMTgwMTA3NTVaMBgxFjAUBgNVBAMT DWJlY2tlci1yZi5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDY SrNcVO6zev88moFmnVa/we87NAJMSTEdi+5FPLij0m8Ffs4S1XgJRLwWofkNLuWR CTEMo6Jhgr80o3j4vO2XFnAAoWc3MwNnQzMM8ctN9cpsae1l2nLMtBPOkdgUlCK2 +85YpQ83vpWTuhK+7GEF38Nuz0vA6CE3ElU+di4L/r9qNLrb2RIlZx4rgOrcGrPe Af41H/CAjbJ/piNpRnCCRG/GUOQ8xR7/3Ff2VQ58KMX2C85HcvjCdSlFVbCCoCOX LxPFSpUyUz5nMfFNPWXtThWUiAwx5+hsDf4gubkCBLc5vpUgeMoCGqzD12O1eUg2 44VmNPIzS6G860QGWYGdAgMBAAGjggKxMIICrTAOBgNVHQ8BAf8EBAMCBaAwHQYD VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O BBYEFCk5pPlQGOB0RbPZfTgIHBe5fJBSMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv MIG6BgNVHREEgbIwga+CEWFwaS5iZWNrZXItcmYuY29tghViYWNrZW5kLmJlY2tl ci1yZi5jb22CDWJlY2tlci1yZi5jb22CGGJlY2tlcm50Mi5hcGkuaXRvb2w0Lm5l dIIYYmVja2VybnQyLmIwMS5pdG9vbDQubmV0ghliZWNrZXJudDIuY3Jvbi5pdG9v bDQubmV0ghJjcm9uLmJlY2tlci1yZi5jb22CEXd3dy5iZWNrZXItcmYuY29tMBMG A1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAO1N3 dT4tuYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGL6nv+nwAABAMARjBEAiB/ UeWBP5panOrU/ILNzCgyM2vENYuUW4wuYy4xs8IrYwIgBFC8kpAXrVK6vApXma5d sw8/vYQynqOSDM1hQ/sRVm0AdgB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+Zn TFo6dAAAAYvqe/7dAAAEAwBHMEUCIEpEQlNJjFyazIPp5Fd/HhKxKHumEQFhR58J gEvt+VHAAiEArLnmT+uu/dHYfNlABu3ZNs6nMXRAx3fnhXVVxsyoK1swDQYJKoZI hvcNAQELBQADggEBAGEx5EX0OOIKPNxHecKKqpuLwyfF34ISOpB6arg1+OOMZFqm B9F8e2D6ttZv8k+AFHFy8fqnWZlXCzwBLno9dzWrcOt2Y+Qtc2M62xK8EW035FsY mojDV5Kwtm334hBOLWgJOToG8EyBRNJPtUVvcKrz5wVSVzaaq+3fPEHHN/pB3b51 xHvR22pgcN5eL/r9LAOWlmz/vB9gGcuGJ5hsUm6/e0iXc+lx60Qd0m/0Io7B303p bENbUs6F9P/fS3ujT9KBrg9FhBFn807844KKzgLjdNsZtALkEl4PTl57BRzL1dmp PLIi7pr5n4t+hbjBCkQh7QYbcsXutXuATUk4678= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2EqzXFTus3r/PJqBZp1W v8HvOzQCTEkxHYvuRTy4o9JvBX7OEtV4CUS8FqH5DS7lkQkxDKOiYYK/NKN4+Lzt lxZwAKFnNzMDZ0MzDPHLTfXKbGntZdpyzLQTzpHYFJQitvvOWKUPN76Vk7oSvuxh Bd/Dbs9LwOghNxJVPnYuC/6/ajS629kSJWceK4Dq3Bqz3gH+NR/wgI2yf6YjaUZw gkRvxlDkPMUe/9xX9lUOfCjF9gvOR3L4wnUpRVWwgqAjly8TxUqVMlM+ZzHxTT1l 7U4VlIgMMefobA3+ILm5AgS3Ob6VIHjKAhqsw9djtXlINuOFZjTyM0uhvOtEBlmB 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 393157402292446656928422728735455594718457 . . . . . . . . [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 2023-11-20 01:07:56 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-18 01:07:55 +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 'becker-rf.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 27304310125054485991232322251237194709338371337370246538044251485972939802925227193678707013046253904478017056344983947342490528410136708367731897504521315094586226740549010835651778406439130547591694059004877239976252594695185387385997519849039493412189614316277702987362181287979339817701049448494893279825089624364702336516657113825748382149019339043161067734623449075570938980605891660733538230850990605513191562417986989783623902375353378737730116905007218129029677645333884098007572052438323601330885768676118531826887784121224189015337141770539587819653015181688632711656907571532573298723606635895327261557149 . . . . . . . . . . . . . . . . . . . . [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) 2939a4f95018e07445b3d97d38081c17b97c9052 . . . . . . . . . . . . . . . . [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 (178 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.becker-rf.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backend.becker-rf.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'becker-rf.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'beckernt2.api.itool4.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'beckernt2.b01.itool4.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'beckernt2.cron.itool4.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cron.becker-rf.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.becker-rf.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bea7bfe9f000004030046304402207f51e5813f9a5a9cead4fc82cdcc2832336bc4358b945b8c2e632e31b3c22b6302200450bc929017ad52babc0a5799ae5db30f3fbd84329ea3920ccd6143fb11566d00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bea7bfedd000004030047304502204a444253498c5c9acc83e9e4577f1e12b1287ba6110161479f09804bedf951c0022100acb9e64febaefdd1d87cd94006edd936cea7317440c777e7857555c6cca82b5b . . . . [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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