www.duracomposite.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4c:72:4c:e9:65:fe:b3:82:1c:e8:5d:69:bf:db:74:db:bc 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.duracomposite.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4c:72:4c:e9:65:fe:b3:82:1c:e8:5d:69:bf:db:74:db:bc
Serial Number (int): 287350249021235100488936105800121326033852
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: aa:b9:0b:b5:cc:88:b8:86:8a:c9:de:d1:3c:de:8f:b4:e9:bc:01:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4b:b8:86:3a:6e:e8:96:63:66:53:29:0b:3c:f8:0f:0e:c9:c0:da:71
Fingerprint (sha256): 02:f0:69:80:bd:3b:29:2b:cf:1f:20:35:13:9b:45:a1:aa:54:d8:02:83:2b:1d:7f:a0:85:19:a6:a1:53:cd:6d

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.duracomposite.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.duracomposite.com

Public Key Algorithm

RSA

Key Size

4096

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

www.duracomposite.com

Other certificates including the domain name duracomposite.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtD+59zunOGq1BU0KhSU2
n4RHjDscl4+jbcn/305cFPqyQUi81pk6mqATA0AEPI+IvGTx/qWOBQdRtVBUwVr+
g+9ZqM+J9JxZlsKH9RlaoduoUaPaGxPVD3S02+7v9V/fAgp8xxa8/jjbyPghv1Mj
/lSeznCezEwDSc6NjAJ3/OZtor2hKEDfiZd8DcpuRb3xozQRHW/IAKG6LWBRhFPy
dbmdmybnbX1QMcql6rFKQxHOWmzMQ/owCcgRtlqBpRgJcpTojLPN66aV4+Iirf2y
5s2hduc0Uub1oMKl7uQl+nWVFWe5N/Bo7ht3AIDKFA9YoMavo2OD//8R/RveHSFI
sGcJOfBzAHJGZoyJ1xCQpaQaVYiwf1IgWneQunvAPcPfGtnMwvwD4tJjb/zYDDX0
LnqrKPBPG73FABa9KGAtM7ziRTij7d+S40yidh+kQxPmDAaSJuIRNuTzhpbZ7f4j
23L+WdjCRnrlF51OjNO27+lTx+I2MO/CMPTvabtVEtYjRSLe4krmEX18MlaFQqsx
12usxJzcETMphLK6vg7aUHAJLycyeiR7s6FziufZSLqEqqYE25VC8taoulV23gGE
uYZa30qZjtRoyOa5M22WiKM45E0d92V625Z/QIFMrakCkxJz8F7OhzXw5mj31NYn
sj0kezCnPN4AXJIB041IgoECAwEAAQ==
-----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 287350249021235100488936105800121326033852
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-13 20:55:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-13 20:55:40 +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 'www.duracomposite.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 735351483598818948800310862579400307685939552365671451754150172029180142623177295623632813748264417128264656656612192140758423103789958308360205235323232754760465015721590490134912116700825880307587513975543602802574913745817774485222073168431012106534252346228049164720950308387174980484422070254319439455797683325547314645584110073528524589433657146688155511953115292278813581673836482206854952160754649211720423194857847164928037701002007626551302781019123253567103929505445448542963483207477088092522017128775349722303912224610933659267770048242693835300682836710147214655759450222316266389797087612473685658981490879343205546768855040187916774164352658645233980063803198767066953196404294627257597855180474350051771702273996626936686638931255969984887437103651742069823923948167454055083620928864998435652180615137417104306724443045460122482765771211409179471270005918926140393379130958443462047763706401486056415634504996334545941938541443363826863199074019700642944968181349592087975929040736413884900488807661444333844096888630166655891434865421816606063350165448432229797333678396585819517993432607430553440698771803633506336711224099798111535062762359812978250093221729968103999836029296389873213955278330011060207071298177
 . . . . . . . . . . . . . . . . . . . . [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)
							aab90bb5cc88b8868ac9ded13cde8fb4e9bc01b6
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duracomposite.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170408ce6090000040300463044022068b8b3da58387e66ce3b1fef5aebdd24ac8c8270ea9ac252536c9c244a1d96f9022043170078e28e5432f40d54f7e1122fd704ae8fb87da09cf0ece82c9073736a55007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170408ce6be0000040300473045022100aba955ade589ed74917597d4d9fae2c9e403408131e9533287c743d7fd3e6c08022073e5af4355cf779fd097c04d446203a3548862f1f5f869bd75ed76a2a4ac47ca
 . . . . [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)
		004ca3ce7dcac957f6a16605e929d1cf66d532f32467ea9bd8604bdd5a2a7599ee464fac80fdeb55ab5012fa0874518e9d689d6f04bf4d4cd472f031c6b3e8ba9b3fef930b015c7db3b2a52eab2d141cf121d005fac78294030acfb5e9977d5696b4e0fa69511fb13db1c1b019748a408f7bccbaeef86f421d0f2a403a60a1d319e1d6ac2cf67b4ac596d95f26e745902ea169d5b4cc7ef7378f223c55583e44042d648aa2c6a2624904ae1423e0ccf9fad4835d56fef95ba2eac7ec13745395016fe773b91fda4db72105296c8d3004da83e86f3b1eb9032e51a96d8dbfaca52a26a020980e2ccebc2020ba4e9283920139054402bf53c6698330253335da0827