www.opticalshades.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a2:c0:13:d8:fa:a7:b5:55:5e:e0:e5:88:89:96:31:7d:c3 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.opticalshades.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a2:c0:13:d8:fa:a7:b5:55:5e:e0:e5:88:89:96:31:7d:c3
Serial Number (int): 403830201997923451909576518790238321081795
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 58:d3:16:a1:1b:38:5e:b0:8a:e0:4a:24:e5:9b:fe:90:61:38:b7:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0f:e9:6a:71:1a:6d:f2:36:12:78:c3:8f:c8:82:12:f4:ad:a3:aa:82
Fingerprint (sha256): 22:b1:95:11:b3:e1:38:b1:6c:fa:67:a5:46:64:a1:90:c5:e7:bd:84:13:69:69:a3:9f:47:40:53:78:56:aa:8f

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.opticalshades.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.opticalshades.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.opticalshades.com

Other certificates including the domain name opticalshades.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.opticalshades.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 403830201997923451909576518790238321081795
 . . . . . . . . [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 04:05:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 04:05:44 +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.opticalshades.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 735336386062508104794728794250643011894488579222046151429757355434509855255614736378224224069896629447706294869805098711158189279265275985272342311676840504047563990760103143409836704912339491899909080178302105226159628718509301852311521313055462129252917869731961085688901792456025927519046608849157671495810137731953697483139204683121036430298757225484690974647766165060407406283302373592878939564325270622624031410211813544856125055902914845462640883721621290246228860869414696229817192769611131850571921593481388187053782180876153104575573272794730145121834941802365217499009554596243408260756775336688103812612678582234847224152191286957587860748077156488607662865580481824409811654784769057543545714494284173019438328470277899131360453842136123544526354172167570819684774828130353183207651356512145249910796558648265411418366735947195174066674597319548867506968736674532838578440627616896988129216158724386155459690855258064314742486938017489193299421970905792494890336823369938469737239274311009717964939770582999484257712751726250860950916092444040986974394030929201984099327119803221888926652974539929291001238002567222986509169202797312581205404441375917914072684883487934790507513668737256038890522828278513073672488293137
 . . . . . . . . . . . . . . . . . . . . [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)
							58d316a11b385eb08ae04a24e59bfe906138b729
 . . . . . . . . . . . . . . . . [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.opticalshades.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef35945b4000004030047304502207fe5440ed7100a5f7b6c00f5a784256abcfb6be2d3cba25fd22868e6b507e7bc022100ce01c08ea99f92e8c03fb8ffeb9a73a57b2d9622fa8ff69853fff96cbd5f90eb00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef35945db0000040300473045022100d9ec57ada871f603b3eb7f5df2c6da2a8188d74a9f79226a679475c856fdb73d0220325a3e5d2ac7a1103a0130dc7d7002cc1b68903679ef95b4ffa0114265a42c82
 . . . . [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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