www.opticafe.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b3:45:d0:dc:5b:c0:ec:41:28:0c:ec:8c:b8:1c:d5:9d:d0 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.opticafe.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b3:45:d0:dc:5b:c0:ec:41:28:0c:ec:8c:b8:1c:d5:9d:d0
Serial Number (int): 322340202672984041667430147986789154266576
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e1:f4:e8:b9:f0:36:9b:89:b1:0c:ea:68:03:f8:49:02:f7:f6:fe:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:5f:21:ad:61:32:d5:6a:b9:ca:d1:a2:c1:4b:db:d2:3d:5f:02:3b
Fingerprint (sha256): fb:0d:71:fa:f9:34:d1:e0:2b:69:e7:53:ea:19:cd:6a:92:84:4b:83:9f:d7:7a:32:1a:9c:79:65:e3:76:0f:ee

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.opticafe.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.opticafe.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.opticafe.com

Other certificates including the domain name opticafe.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.opticafe.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 322340202672984041667430147986789154266576
 . . . . . . . . [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 2019-12-12 06:08:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 06:08:19 +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.opticafe.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 813620812283669226275456784693944191102625392410100248737263179745596427008436829256949859494933834312761976236731137639271533887952985203423808678203925035914421476239808937655338550974902192282915398879921729621519638232187559191632840628581185981532682901448859398310011691641300535977947266601324331381891721651108981073483207626399772147198799219100729040966862025887774743346273912896886944737251929243641879447872806324406744109264021409269212103658237202476979317805567497040357247499386069150531177357240137668954301946658337350020287911474299960422456360337093944516651588103005126608522336333798776684808847160001102187900200215444868223629780538583718827548058129858693076399603143481822742538722714022460254044094800218568493607312477551114497071171952961768323325612448279716739170162593941133899074420707181932115065171791498168831037328473852157145220750129964413151689373640608296194528404732227620873417661043668481505298514323555275335808181259563464339376112491476868262399325119062576228959438509308706729051350791376006422066172656432581810644391337783788223207410277131778343910151959078280141880860428055978634277027815738438843428987673310039742216459464555804787109212627055067250542917393792596112869290991
 . . . . . . . . . . . . . . . . . . . . [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)
							e1f4e8b9f0369b89b10cea6803f84902f7f6fe2b
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.opticafe.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)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef8efddf80000040300463044022012498a4caf8eb2e1bef501e16adb43b97f71eacbc2326d2e2cb83cce9ad1633802202903289e9b65eea1a1620e75df7bbf1ba509d7ea45c588e15f52c445a4e87545007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef8efddeb0000040300483046022100b8493115a68c49aba4f83f28c3a458b0fc15398764e0533aece2ebc6307f2678022100b2a31e02537b1bb2bc58faba47de6c0e527ecc8ac4e606fa87132e3ca8164c60
 . . . . [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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