www.acaresourcecenter.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bd:d9:d8:07:3e:68:ec:90:af:1b:51:21:95:d5:a0:1a:35 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.acaresourcecenter.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bd:d9:d8:07:3e:68:ec:90:af:1b:51:21:95:d5:a0:1a:35
Serial Number (int): 325939789301466365533849241007120854293045
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 56:79:05:61:ae:30:8d:67:7a:fe:10:44:e0:f5:4f:17:08:9e:07:87
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:fc:50:ae:1e:84:a6:66:42:27:f7:88:ca:78:83:18:c9:23:06:02
Fingerprint (sha256): 9e:37:f2:fb:c2:58:76:ff:71:74:5b:3a:d4:e9:af:b7:5a:ce:6f:01:71:e8:66:6e:e3:51:81:9b:a9:47:80:88

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.acaresourcecenter.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.acaresourcecenter.org

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.acaresourcecenter.org

Other certificates including the domain name acaresourcecenter.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.acaresourcecenter.org 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 325939789301466365533849241007120854293045
 . . . . . . . . [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 2020-01-11 08:34:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-10 08:34:03 +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.acaresourcecenter.org'
 . . . . . . . . [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 854089915898654140082470135115106749274386057076820152402091361077745794106057965315888245823994724210100439109843311558541284599864631700217478264533819128697450022050785035109697370566012320200763430131709826269853417572247495768347480321673923839891743895601431371575109009395835747406901247258321483756398616551645142135318042449355951363347778036270395732485371939110194954876612088937747770588888568741579029001619229225938612697976789393441517619609990410888827365646151623806880590938430405836115639301741359777815866991879073147945866979082523929723391421666697818835968992202523186629023876967923564436264757581047903516208523587776485821466481567713731501032997662595942593447087758139214056829305812078646158970812501833845639417220049452672424112674982338066179585668422353643574137521034386810657829715031313332491043758540940043865497881087306581297697067452113156607308860043917381797441516914777052692609479103711281036907367309828434572599598750329388414803962183904208456141625479061438880590736480817839535689363259999274000465440366015267446533332345295671130015495083779852759430630230759908697586330101508382212536751095498898193753728977006587453427682834809127522740403884785022162390561713364207924325911711
 . . . . . . . . . . . . . . . . . . . . [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)
							56790561ae308d677afe1044e0f54f17089e0787
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.acaresourcecenter.org'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f93f410c8000004030046304402200fd0c74730b8edbb24b05bb3a88b2010ff5e66c08765dd90d6f9875b0b020fa10220704eeea2b2670f3921443587d930f12fa129fd0857ceb7a20b567acbd7670c0a00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f93f410e400000403004630440220233063c87e751c14b810003c081db1cd3427fdac5c134b57f362e9e2c36de9a602206be2fe5ad2bd1efe1168d76743c0026242dfc763ec9e67c7b5f40deb0ecdbf0e
 . . . . [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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