flexm.com

Issued by R3

About this certificate

This digital certificate with serial number 04:c4:e1:f1:c6:bd:b2:35:40:14:4c:99:71:7a:cb:72:d5:e1 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=flexm.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c4:e1:f1:c6:bd:b2:35:40:14:4c:99:71:7a:cb:72:d5:e1
Serial Number (int): 415444819317085815335828105601972486460897
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c4:c5:e9:7b:0a:5d:1d:84:4b:63:a1:1d:a6:78:69:94:11:48:6e:4f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f4:ad:a4:a6:d9:91:fa:60:11:74:f8:84:46:37:52:91:a0:42:4d:1a
Fingerprint (sha256): 0a:35:6f:b3:a8:77:a5:d7:e8:5a:b5:44:15:aa:22:29:5a:97:51:92:06:e7:5e:72:d1:02:33:e2:4c:5b:20:1c

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

Revocation information

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

Check the revocation status for certificate flexm.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flexm.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

flexm.com

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Certificate

The complete raw certificate details for flexm.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAprxmB+/GN8q3z+SCHuJM
fyEfIj7m10+oO891rZvl7CZAo7QLKXis9bocgDpM6DPznOqfy84nFV+HkffH24bU
EQkdYQgc9fJk86x171HGK1VpwkH6tb3HU040fQ7XQ7xJ7rgBuuNo3utYjymE36v0
4t8YG+6PLNLdvPbiATvCtsOJR9t20aqNQ1BvEN6JaX6jFuaTweOvPnUD6ju4QdDK
8W8dnnZxN3TkiwgHV2Szj9OPV5sESVeZbq9RwxQIW2/bYkkXUhjadA4h59MCJokw
9OQK52bxyS/oa24iNu6ZCybuhZtkoJ/3NgZ2i+DFHVtdmWKtp3tKdsGvxjv1LOci
AQIDAQAB
-----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 415444819317085815335828105601972486460897
 . . . . . . . . [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 2024-02-12 20:14:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-12 20:14:09 +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 'flexm.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 21048461416147429357620784108558011186711852939559053931619849368443449961659804313690243002329201783916804164736775132418713047985345535637663185133072285778465961506830592256718822186697286251455835979418016719760088451581181008677335916347483227388967733379316864539669792152155600126271271355747968720936714505433259428232081582829260958808304342248466737888740238430637873298311278967244570979436734212343342704312917904210173576154120815854352892649674969928907505168182823462447723869962334481310660122565229677331152123091143638300176021340756800084221908773247715382753873376125173627473111156931284183753217
 . . . . . . . . . . . . . . . . . . . . [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)
							c4c5e97b0a5d1d844b63a11da678699411486e4f
 . . . . . . . . . . . . . . . . [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 'flexm.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d9f2b98f6000004030047304502207dbf24d8692ed832c9e96fa4018a47165ec65c83609dc788b1396f6d79e94b67022100e61990201dda7c8c0038aabc7f57bddfd69f8d7bb65078b5bfbcbaced0571be600760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d9f2b98f60000040300473045022100eded3c4b008d0afe30063abbecdb7dc2118a0f7cc5c39ddfcfec5fa23e0e5979022020e7592a96afcef7255e65cb58cd6b9d7bda820dc9ed55b3c5e131900ef8c4ab
 . . . . [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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