opticafe.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ea:1e:b0:78:7f:e6:86:7c:25:a3:14:60:c8:db:c2:74:0c 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=opticafe.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:1e:b0:78:7f:e6:86:7c:25:a3:14:60:c8:db:c2:74:0c
Serial Number (int): 341003724782923463208249576230267220292620
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a3:36:8b:f0:7b:1f:99:6f:58:e9:73:3c:cd:c0:13:65:92:7c:30:00
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7c:c0:70:61:f6:c9:b0:a3:dc:8e:49:63:41:6d:43:27:c7:45:33:9a
Fingerprint (sha256): 34:26:e1:d8:74:86:e3:1e:d0:1e:fa:7c:ec:75:5a:3a:8f:c2:85:07:c8:04:af:87:59:16:40:85:47:3f:f0:c9

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 opticafe.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

opticafe.com

Other certificates including the domain name opticafe.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3P+q3HdVQo48ZKGLgBSv
fDy4lgjBPkt3HjMh2iRqFFfwBQlTarsj+p7HM2YhwYoIjwx98jdzxIPZnqVA/e+L
Zpw/zMlVuRbtdMFWrKaKeBhtUmZTsL5Mo0dxIIszKT49RV9hI153qMRWnpmMgiFd
E4vs/BhFJMp4akK1jCNlGwwdSEMcXpdcb849mSI7Ua0oDqz+uvV+84UCBwKHUSOf
yGh5qcH4K8W0Y7hjxcg5E4ctj/GPe4VslzvWO6ENpjqUD3TPO8pog8YK+B3RCSvU
OmL5pDlPCSc8FcvJGKzMkvYH422Xezs0ReoH3sPrL70DB/mFPyHnA8ZCprLN6gRM
R+9eEtQg25wtNC075FOJAu+dtbng36ceI1fUm7/kiNevHhR7u5I5XvFl1fA8kxzf
oL5PMB2fBceftpCeVWTuL6soM6merBSc38U004xe9hm9hxFyo9LyweuqYRHZkHEm
IU0qrK57Y1jTLXjWPyCXxbue/pffsDs9eBi5flYisyg4AdOAAw7q8zynQsksAv8u
wKBstGA4CEDQ8IzD5hz1nPa5b0xAm90RMW+m2ioH8egysI3wjp3uYHkq3T9yO1/i
PRqJXkd1Lft5ZdlRtEIlvVRtQQtF/w4g10saW5uaVV3FpWox6bJCRlhp+bDUWVdR
owLr1+0fITWCP3FFmg1BJAECAwEAAQ==
-----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 341003724782923463208249576230267220292620
 . . . . . . . . [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 2019-10-12 11:19:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 11:19:51 +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 '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 901596039105427867350790259081022064567726578714085045075559709656801965688379419037970496281280572029549537489700869455328488662116855065582021459457038476048250911619650832119941964855069834339642949154373539696386909859241968312617881647198693358540758533134763885377108732536713526926378745433211336996849681580710596866468145016394014788899073796958308615475371430684507779700194999765715274217560752447347854351307116721099815513357115970901336923250610370156970887736813747775229388947702103038907278274221197548792649646686353138537907814029457513504072728146322923702471589963420207819400295864453187881389552953721330889295581905410938589646253238890942809549639000092809966644856835387490041641580414035470559314682577809078149103115100303331791467832424194868995781733837155688282483805875916554926187389529233719606685045478778419502531538418697361329026694594137598452528022360145318202368029002603112322090844970657777772029580604101567742272885025104614067332012513237933679670242314238123630173177090516005487913129136535204626434612499833734644207614210995593271425137679489163323379487518642158815676538146702104919805309495532008886314164254802712824077787506138062412468334380389814281447886752141152543572042753
 . . . . . . . . . . . . . . . . . . . . [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)
							a3368bf07b1f996f58e9733ccdc01365927c3000
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbfe92751000004030046304402202d5b8d57ef95594a4e8b7196cfe453c53b269d30fa7b2f178c9b7a4220a5f86d022029d5fcddcc7a9c82574b27e2f0f34750b2bc492d804070f48f221a3d71d374930076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbfe927f000000403004730450220795882c4e904778693c822146f408d0cd6d27a8b2a29baa5a19a6367286e35f802210099314244151bad2bc3c9ce68eb4a978e060fe843d1ec7a4719d53621a009c028
 . . . . [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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