www.optistream.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:72:79:fa:64:8a:dc:35:c8:69:4d:20:50:4b:9d:b7:13 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.optistream.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b5:72:79:fa:64:8a:dc:35:c8:69:4d:20:50:4b:9d:b7:13
Serial Number (int): 323080131545978157263758649395055033169683
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ac:1e:94:a5:96:91:8d:5a:a1:25:08:7c:45:63:4f:f3:8c:a2:bd:a5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d5:26:cd:69:f5:99:58:cf:e8:f3:f5:6a:ff:c5:c5:46:b2:b3:63:d3
Fingerprint (sha256): fd:17:19:05:ec:71:aa:4b:e5:e0:18:a8:17:60:4e:3e:d8:84:90:23:e3:fa:64:1a:ce:1e:cf:da:47:0b:13:79

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.optistream.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.optistream.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.optistream.com

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www.optistream.com
www.optistream.com
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www.optistream.com

Certificate

The complete raw certificate details for www.optistream.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 323080131545978157263758649395055033169683
 . . . . . . . . [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 11:03:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 11:03:51 +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 'www.optistream.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 858506453269473915116995606459883429832745058180139012056122341961411840260115996795052737966671887106883377477775029431352451668978009978762861331282264217029990783663503287094086340478872746271157390089759391320453072050705323461283806150809745558929278535888838371514001410603524631638333013348899190260347812574487393619459330490606032772294126008590121843486924832046829515008073074753108958941824165471862772819120565311358401919689933835799255469671528537307176562536275598190706795940154480311105416613149080929181422922217762179295734967246320598845296458201141885993508317199980996062953684752615775872807075113014705502173244707095696849423735967463042170946794556035068474606069668103898680886149676638930593623187909845875105697687849475210138045894216879554719770661193277370498522052160725540280367740672172662183460863675566747032102185259234846833092517507508839444640771909469392168192194796842229693021347797736403361522769525316356910179433924670470622994196744777684799569974182389339721976953443365960420300956923431721089895241712199552402875006802465141456428828093939035812700828491791458863513452989130937204582134194959529598023187397832257513714965007715913890431051437323591444633967691409939362962261521
 . . . . . . . . . . . . . . . . . . . . [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)
							ac1e94a596918d5aa125087c45634ff38ca2bda5
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.optistream.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbfda846e00000403004830460221008940d651e1ac3021af655e2d3f6a2fba813410b52aac3c1c0a04332144f9532c022100e85504beaa7fac82141069458d57ec7f8c452cbe48beea53cc7e3653e0868de0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbfda845d0000040300473045022049ece0bedf0424bdada085deee9e80c14f4c5c5bdebb7449e25a4438df28f2e10221008aa38951e1363007b71ba89250978b5289b5bd082771852dc935dd91602528b7
 . . . . [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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