www.cuuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:21:54:3e:d2:a5:6b:b0:3b:fb:18:56:c6:15:af:ae:27:0d 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.cuuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:21:54:3e:d2:a5:6b:b0:3b:fb:18:56:c6:15:af:ae:27:0d
Serial Number (int): 272678157250134862858750999124339636184845
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a5:4c:65:35:9b:bd:1a:65:c3:74:0e:90:a3:10:a5:c5:5e:cf:da:24
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f4:37:1b:5d:cd:ca:f7:c9:43:23:81:59:c5:4d:8d:cc:34:55:8f:30
Fingerprint (sha256): 0e:a9:57:cb:c5:53:bb:91:e9:14:f4:52:41:cf:54:54:5e:25:46:d6:97:ac:e7:14:f9:64:80:25:cc:9f:55:15

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.cuuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.cuuco.com

Other certificates including the domain name cuuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 272678157250134862858750999124339636184845
 . . . . . . . . [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 13:00:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 13:00:19 +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.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 705162740955161755439538881272474413301855480583825768023664164228777923943986828908496059153412137560048547752100229877389974183638068384727567261849056507739548053279579024710648886830784430668688099762215569960086011463243209544747351334417903600147806218628374126449864321428937865678596293877306400825492293918539197387055287687755590932927563632752068277573727876215255976586487563766956645975755267332803455549972404368505008671596842917930614322201819474394679782875217170318982415244375164958427707066026042576085679311777517138058602699670784233868742327431475960189672751815725499674805652057805189313948309492791091419519404311864962319040520253729118526255131078473569799014191600290885258376898483813810880483022910257872808232934108432288666661792799896937632725031340115005399295824771092279772477618957652997938037659531645546170537638674591531665813176329835905107906192506885665204866413324962095029416007635421126240704045605663013412340484425317820808540415450772844225962025306135333858037644736735981767852249312822754283315536096900908191037107249186719682952747931503231072180522133912644108967544507502411248394759691193548486585776896661806790086824298830312656541153023559752377912341369748818754887820157
 . . . . . . . . . . . . . . . . . . . . [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)
							a54c65359bbd1a65c3740e90a310a5c55ecfda24
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00f0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc045222f00000403004830460221008f66c81d76d04b8a2bbfec890819eab58b2d4a45ae4185dd5b42f5cf5527d064022100ebc334364950c3682fdb4ffaadebf1f076f56d4e8594edf63c2295261d8dda12007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc04523b60000040300463044022020a662eea8d59050aeef4012b4411fb1fe4a1d3c5c111c1dc37676951e1b9f930220530798e1b4d0b77ef7acadc327f4e30b4c5491f50c6f518287978fa0ef364b49
 . . . . [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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