www.optiassist.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:69:b2:de:97:94:63:fe:d9:4d:11:98:f9:6c:4f:ce:0e:7c 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.optiassist.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:69:b2:de:97:94:63:fe:d9:4d:11:98:f9:6c:4f:ce:0e:7c
Serial Number (int): 297304264669532153673455489086269556657788
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:be:a2:0a:70:aa:0a:64:c8:0e:d1:2a:fb:bf:32:98:c1:35:87:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3d:bb:f0:3a:5c:5d:c0:88:60:57:36:32:3d:96:2f:75:cc:a6:f8:69
Fingerprint (sha256): 37:00:43:40:9a:f7:ef:16:29:41:e6:c4:06:93:30:9c:b8:f1:99:c9:18:8e:79:e8:ae:68:e5:74:e2:e4:f7:c5

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.optiassist.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.optiassist.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.optiassist.com

Other certificates including the domain name optiassist.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.optiassist.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 297304264669532153673455489086269556657788
 . . . . . . . . [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 2019-10-13 06:27:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 06:27:55 +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.optiassist.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 784413230902564885275144680928059402272683530613565763091957199807629924297672717056723905112608997059764322460597382040013538793096304298675815632916855430404642479666667402329131990886630963228724133992259767379929089018522306087032064572794796989803671730701219098033878817663888661885091375740763374748513809714331816497777049944067618331460604347798936042502724255449267555868399353384592699593408781165867798597019579515927819498104326678414674489315891124303704502892275756688615061753074618772132581769764184278583555695611968730430158879343923666836086756821655717565643993942593356243653826208323870658008616650569837380214760658804871265553594701308296110989471562489879995210985256425816920880027107167404596804905225690282496817464346427619516734460197283953745976416391995805785164725468931654899572267860564174905859322254343397639346424344944282122465389229657326287748865434365393630293825665343056666821309948861722146576381770590293782897137254201746816558217979032666416515513946543581032985064993001984435851740913762127322945439258538474511607366988295859083767573603060260119747336170494049329476626338875073141664132658025094729367474766255735539428400085761618880197953186381729516937647788388169875230549027
 . . . . . . . . . . . . . . . . . . . . [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)
							52bea20a70aa0a64c80ed12afbbf3298c135878e
 . . . . . . . . . . . . . . . . [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.optiassist.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)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc404405d0000040300483046022100a379f49aea67c0dacee8f8e46b3466cac20a09dd357f47e0526a9f55aac19323022100a037794609266495c3698e975824963180b352e0711ddde082d3cfd598b6ede1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc40440540000040300473045022100e1ca2a91569f3099efc02965d0266c93078fdbafd7b2070fc9709511b46ec06502204da854b015753bd416bea777362450fa0deb2907dfcf1f23b32199792ddba66a
 . . . . [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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