www.cuuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1e:b7:60:ba:42:f9:f4:cc:b1:d1:99:3c:41:08:00:32:5f 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): 03:1e:b7:60:ba:42:f9:f4:cc:b1:d1:99:3c:41:08:00:32:5f
Serial Number (int): 271789079764470555509107257752753262309983
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 42:6b:49:29:41:31:34:3e:f4:5f:8a:1f:50:cd:58:c4:23:05:c4:5d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3a:fb:5c:ce:df:77:4a:4c:04:24:c5:e8:5a:ea:93:e7:5a:ff:97:c2
Fingerprint (sha256): e7:a8:04:56:12:f5:cb:6b:86:0a:c1:0e:bd:67:16:2c:6b:b4:83:eb:11:ad:0d:79:9a:b3:ac:5c:2b:e9:57:b3

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 271789079764470555509107257752753262309983
 . . . . . . . . [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 04:48:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 04:48:17 +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 828251318141550485518073588025900684955561088143742328071709095023101053176042975136497375148932148811039793773972172721049382216346241041646171870542076122800150457883280757632582551236109206916949666968090103785751137577295267206263064385813636133072859079570020601974884796078688497767320503215675355056339917511124498339001575056815997697518817117958144626894033717839514050184585462089942998412972963573731989495064584401629989263254519636676323829739223510855572271176983352607705395187160592763971762304522158526639388099470047786321301305977034754597709420642163779491674924118093884890661505357794681983206121018653589779228431833482284318748491840503640579719491856473244395808571608394290192066051869001178192563675442115212835945877452056382244097545129179875453264642099657962273243108022475690217141039033932641938178629767362238833910165984767370384495703296176262858797239504116513875379009198985642339990169242976589511900155476898583912082880922502107168339635636716725353609533738027468118162295419273546178777328064508553382735360680072506605715178737466864077593560867028938123596310623055603756427202763005237644246227281349818306040922973287617683831373418682208141237290570574211140706800139629170477016152841
 . . . . . . . . . . . . . . . . . . . . [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)
							426b49294131343ef45f8a1f50cd58c42305c45d
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef8a697430000040300483046022100b8ad8cb42dc637455be9fb8e6e8695dd4b185b805cb770bdb2579e8a64b0ee8b022100e26d0ed2475307cde055c943c1a84eba828c073a6f9f229767b9120afe79914f00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef8a69770000004030048304602210081d6a918bd015a90a974627eb927b0afaa237b5d3e3b2f4f12c1c4ed19f2584d022100e646ca93eed42ea8634c68640d41f69b221657c555ff974f2d79bf68fe9b8bb9
 . . . . [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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