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:7cSerial 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.orgCheck 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
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69430.com
www.optiassist.com
militarysport.com
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artanthony.com
cafedowntown.com
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aquaticmasters.com
betolost.com
smartcitychallenge.com
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Certificate
The complete raw certificate details for www.optiassist.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXTCCBUWgAwIBAgISA2my3peUY/7ZTRGY+WxPzg58MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTMwNjI3NTVaFw0y MDAxMTEwNjI3NTVaMB0xGzAZBgNVBAMTEnd3dy5vcHRpYXNzaXN0LmNvbTCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMBGYQ/w5huMQzD+YSlGjbMH7EC9 A+LiIVtO7WQevILnO+Ry5ckjAyDw7l4WStfHoBMCBs/3LnBu4XvXYVt1+Bickrr7 LTJYJDg4YyRNw75RosEagvMhV1GlbZSIaV8jQb/6jVi9NDkuiy4D6OUks/BFOZj6 BTTXDucK1o5BCkOIpqAyh36HVwpif5y/uA8xRrLYVviC/WYoQCMrpN8HFzqd0N5X +uEYwVbhzGXA1K0ZUIPAGEuuM3EY//Z9Xcvek2kAwKqD7FCpYZyij0D4KIOlgp20 8OlCU4hlO6b8JG1o5N8tL92SfRYTjvAzGY45WN1V9bSIsZs5OruG5OjGlraKO9Eg eCXguQOEvk9Su8hisBbhmSDs+5fsAtSzAp5eoYY0f3q/MbPE0wfvSzsHvl+MCa1P zQ5BxZBULhmRdSpWOIIT/P4VpxX5ROIrHg0kIYZx+KQjsKWAIREfamnNaDOsZ3Wo 7mnStOuJnFgPjfADiXll6SO5wxIv/wQT8izb9zNbZph9sZL5lnjE/uNw9qFIbtj/ 8tEyJLeoQPuj0yDK2Yo/cmQrjQQphFYrGm6pNl/XbknQJ0l4OSUc6dGiJfiMf1ub JdenPeCac1w00le7xxWH1SfvEsIYiCTdqC2h1K1ZKftNJiSLBkouormkoUr7dL2q 1ECRSTRtMR70z+QjAgMBAAGjggJoMIICZDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FFK+ogpwqgpkyA7RKvu/MpjBNYeOMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIISd3d3Lm9wdGlhc3Np c3QuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHW eQIEAgSB9gSB8wDxAHcA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMA AAFtxARAXQAABAMASDBGAiEAo3n0mupnwNrO6PjkazRmysIKCd01f0fgUmqfVarB kyMCIQCgN3lGCSZklcNpjpdYJJYxgLNS4HEd3eCC08/VmLbt4QB2ALIeBcyLos2K IE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbcQEQFQAAAQDAEcwRQIhAOHKKpFW nzCZ78ApZdAmbJMHj9uv17IHD8lwlRG0bsBlAiBNqFSwFXU71Ba+p3c2JFD6Desp B9/PHyOzIZl5LdumajANBgkqhkiG9w0BAQsFAAOCAQEAalkzxGqvYyMuJv3Vns/l qnFnCI5N0+bwzWMDgRV9h+rp1l1jvL42fCd9uGLPQI9mHI5A8zQxJVadhRNQQzvy 0KscyRzOSGhq5rhZnwV2Kwob/pjE705nyNAu8vweuxBUgv6YCXJa/bq/pm79KgKf IDsTqB0/KOkTYO699T7du7LYb24y/zE+mCYnJfUrmjQm+yb4JWpZENPK7buEhLdS WiOl1U++VXE8afRvLuo17idEisnocUpKLgQeduK3cKJUlUdlJwWmA6YHp1NAd1b3 mxCg9wc9/ud00xJEK83OpvVqv8Fil5Fsxmi55wT0RRDjYDIGLFuIB4iTWMdkO66/ wA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwEZhD/DmG4xDMP5hKUaN swfsQL0D4uIhW07tZB68guc75HLlySMDIPDuXhZK18egEwIGz/cucG7he9dhW3X4 GJySuvstMlgkODhjJE3DvlGiwRqC8yFXUaVtlIhpXyNBv/qNWL00OS6LLgPo5SSz 8EU5mPoFNNcO5wrWjkEKQ4imoDKHfodXCmJ/nL+4DzFGsthW+IL9ZihAIyuk3wcX Op3Q3lf64RjBVuHMZcDUrRlQg8AYS64zcRj/9n1dy96TaQDAqoPsUKlhnKKPQPgo g6WCnbTw6UJTiGU7pvwkbWjk3y0v3ZJ9FhOO8DMZjjlY3VX1tIixmzk6u4bk6MaW too70SB4JeC5A4S+T1K7yGKwFuGZIOz7l+wC1LMCnl6hhjR/er8xs8TTB+9LOwe+ X4wJrU/NDkHFkFQuGZF1KlY4ghP8/hWnFflE4iseDSQhhnH4pCOwpYAhER9qac1o M6xndajuadK064mcWA+N8AOJeWXpI7nDEi//BBPyLNv3M1tmmH2xkvmWeMT+43D2 oUhu2P/y0TIkt6hA+6PTIMrZij9yZCuNBCmEVisabqk2X9duSdAnSXg5JRzp0aIl +Ix/W5sl16c94JpzXDTSV7vHFYfVJ+8SwhiIJN2oLaHUrVkp+00mJIsGSi6iuaSh Svt0varUQJFJNG0xHvTP5CMCAwEAAQ== -----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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