www.duracomposite.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0b:cf:3e:85:c0:cb:11:91:00:bd:ca:b2:e5:e0:66:de:53 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): 03:0b:cf:3e:85:c0:cb:11:91:00:bd:ca:b2:e5:e0:66:de:53
Serial Number (int): 265355438661778900964873277798207241772627
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 20:65:ba:bd:02:15:33:88:49:4b:6d:c9:95:b9:df:57:d8:1a:d3:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d8:5c:7e:f3:0b:c7:5a:16:37:66:33:9c:bc:a6:38:be:90:00:da:18
Fingerprint (sha256): 56:a5:dc:8b:c6:31:21:0d:e3:5f:61:e2:83:93:da:63:c8:42:f2:a9:a5:8b:a9:8d:b1:fd:d4:35:2b:b4:f6:ec

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-----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-----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 265355438661778900964873277798207241772627
 . . . . . . . . [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 2019-12-11 05:34:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 05:34:07 +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 892447128295339935465719490661540233930084231296734988507128925635230948021664683177854890330038595169708659815807504821607796224285915629009480301914931641132905352691387552333787695882788662132837772543872035627381539820246371212942664295440345200268165575842810980587981641596703178077817084671965482793616229392353465375861504182416917724202540028492928971839767291708996673052600012334474909945342435521774908281660209409155815216387186837062342105778148092737061943687038201382615672917921157265598857384661645949498907849006004168908305108560322439865296056435305926466000055557142228478866302210785646601887154595336249667369849593730105666350840465314523210064163375405403043506611824930201684372779958176378309558672153384583067017787358640636000858825913715427521583736763071813595741419828124041392597993568068222155542179744425611435654865944216099341340513728952124786308043966917485298487844077681551226320741586681272286342333915581154423624528425043681286003770176464181457169246099659924857963954043664311626090300531302320662641580315397056289113928018946847650150463049365323354430719895188792743143006742811533412159342604349895238897275552341800626655489455762368720701823375991689763182089627876368884013304137
 . . . . . . . . . . . . . . . . . . . . [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)
							2065babd02153388494b6dc995b9df57d81ad313
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef3aa325a0000040300473045022100fdcd1f4b54a533cb1ec07b8a4498cd2e3f56d24c926eaa6a940e0c9c1ac49a3002201d54fc5e66b814981165bb9486eb6007e1ed3cfdcf7f3b7e9b36567059f2500c0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef3aa331d0000040300483046022100a8b36b30c890a9f1b8be53783255c31b3313f554e9ba9d89c3420c44b9e21cba02210080956fa726c7bc1912f7ccebc291135f6529dccdb7840aec5dd32ab0b134ce30
 . . . . [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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