cuuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:92:55:ce:38:df:59:c2:44:5a:55:e2:4e:5c:61:f4:f5:bb 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=cuuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:55:ce:38:df:59:c2:44:5a:55:e2:4e:5c:61:f4:f5:bb
Serial Number (int): 311132138512042928694657604445352947414459
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 39:ce:f2:5d:19:ee:7c:91:28:f5:dc:00:26:15:be:02:26:a7:61:78
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1b:11:38:de:b8:3d:8e:6e:71:37:df:5b:9c:c1:3b:a3:08:44:5b:fb
Fingerprint (sha256): 67:a9:87:8c:9e:20:c4:96:6b:e9:a4:6c:1a:ab:e6:12:47:aa:6f:82:45:8c:2c:c5:7f:7f:57:fc:5c:ef:e1:33

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 cuuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cuuco.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

cuuco.com

Other certificates including the domain name cuuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for cuuco.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 311132138512042928694657604445352947414459
 . . . . . . . . [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 2019-12-12 01:49:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 01:49:26 +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 'cuuco.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 923990767121669680445976241996025340535090401807304982298998880569981496192516558886832688643259798458380858329468008302013266397914645297900857520288237663768185076902306079081869406495500152844375353917123655961429105008401728679441977917698095907714000749550084050414620948612330752737864049343347093936572607972456487828307799425402528735910944098337985526156775469912062205933153559137810971809803580436095621758974747657841989278973100983894152078515545683762078091294944379143747379107801603114157189380329513253943560760209786657201256128258742829349516924726459340719065029075938459077332176108988343860719721562545006131063180604080388348413734128743372743021789062463482486345073735468600905256008878840213985401793763449325580847741892319026910765936322426855826325238724913773721126975988268606789798540994442814961418926772873726760290784528657970026583680274909649123268916962843284195319340582193885784058488054379802091972231240667120015330892601996582397782968527737974524399703873949713610221721032590178953084441356820188239912262370610590394666816547124794334107279011268889624794185903196590829331423315568819545481960522944236580744713853164126728338605303380049334341913414429939412931029004773286335822246437
 . . . . . . . . . . . . . . . . . . . . [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)
							39cef25d19ee7c9128f5dc002615be0226a76178
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cuuco.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ef802d8de000004030048304602210098863668c4d1630fc325355749c09fd3d171c16fb0813e1f70a391dc16fec34602210083cb6faae3038ed7b366d27fe7f3480ffe9d62bf9ed3f6eaedea7c5fa60467bb007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef802d8c80000040300473045022100fdcdbe2e9abc028386a7fecf2cc14db68c89fdaf74a80f3c7e697572b76efc31022060d58bca9af2df639b3e7b8c181506841bad7947367df1c9789b25ed35a86742
 . . . . [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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