cuuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:51:70:02:03:b1:e0:72:0b:a5:7c:71:a1:07:e5:d3:ac:a4 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): 03:51:70:02:03:b1:e0:72:0b:a5:7c:71:a1:07:e5:d3:ac:a4
Serial Number (int): 289048613510938459218547452759451106520228
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fc:a9:9b:fb:44:53:6e:9d:a9:27:04:a0:18:06:a5:52:cd:dd:7d:c1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:13:10:f7:eb:38:ad:27:10:af:84:cf:08:52:b9:94:3b:3b:7f:89
Fingerprint (sha256): 36:4c:cd:bb:7f:a0:4a:e1:67:8d:05:51:cc:a9:dc:8c:d3:68:03:8b:d9:1b:2c:05:eb:05:c0:40:a1:9b:6e:d3

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 289048613510938459218547452759451106520228
 . . . . . . . . [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 13:00:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 13:00:34 +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 633952615154684568577038874492229532157884675707174527480373957680272940438764422558572050217331355675187418868648519930116619368971265523395702364445887139586131666089651795229515310270119051015047561034011177766244933225199246330734313840253480641182064247787787504293195635886488633035802767200201882538481161165860535549054842424284976765915854128072641984681636681610357668321319424529183314896025780415374464981265191849408353202747366584991544294044617422510979600990206228550170133269142599086244035183139040846053964239548062586758543390928140768117155105391816781666409741841876612541978946584772480827379582609998051816400830575534361323422752662230025126181193809401275119024171059478788510916067046912244234383237620853868750463360212418036451306221168179388513139110292803129408899521760851185960513465312868983606546272694421688817643249836562626365113040855434223785773521198723422974091329926278462617385608322451658381965231204703774672600404321528500132551712289214502696064320734675054199971414011926580949058538145348003736066506183620465507933811751615897156600013153319439555559069246641057242050283823890644332278789048154835799280156962522426274385098496057711447284551290791489465556868358669308898559955687
 . . . . . . . . . . . . . . . . . . . . [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)
							fca99bfb44536e9da92704a01806a552cddd7dc1
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc0455dd8000004030047304502202de10c382300e1de3bb66ffe1bdc061d6915fad8d793436334c48524a58de573022100b583c38f08e0d0b716e5e763296d673e0f5867aa015317b5b3ceec8e992863400076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc04561e00000040300473045022100c35434ec5b948f6082b65ff18c659d44d79f1fbfdaa0c910a2881bdbc7a980a302203b9150a2bc53e4ef527b7bc35bbdf030426d892c1c8609c0a5133041d4fee5b7
 . . . . [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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