www.dnuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7c:82:20:03:26:f3:11:ae:98:d8:cb:07:bd:d4:97:56:bf 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.dnuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7c:82:20:03:26:f3:11:ae:98:d8:cb:07:bd:d4:97:56:bf
Serial Number (int): 303704837150361746807425628830415220856511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 41:a4:3d:63:c3:7d:ad:e4:25:8a:7d:bb:f5:c0:a8:e0:49:dd:a9:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): da:f2:87:a1:70:7b:2b:88:84:db:cf:ca:f4:b1:05:db:9e:5b:fa:ad
Fingerprint (sha256): 62:0b:c7:28:57:c2:99:3d:f8:bf:3e:dc:47:3d:2d:65:78:68:93:5c:d4:a5:59:95:e4:50:76:f2:67:29:bc:aa

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.dnuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dnuco.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.dnuco.com

Other certificates including the domain name dnuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.dnuco.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 303704837150361746807425628830415220856511
 . . . . . . . . [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 2020-01-01 19:13:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 19:13:50 +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.dnuco.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 893616982330119299057062259709014152175257890078584126392077338695771174255420713460130048201002456133160128391849758893387361427000317614426514707247913733920037969171498146773136581527449314222339675627787489081108999287429199908547576577174841288748647767327677747663067096142781725416655564002773185883916227620669968553350743642690785611236066686621938205902899473031027036831417119871747777260820566555494604458350469006523460178297786003341680745541887804982562577315815923960938761018247152258831598913593518198914331233234032228255628893441488031019410364391189122635688002318998841885280100888445268371615126957791100173190924868365842922237054490719744335170584978647391675416673143524763490268258165025623003586656487559613800357469893901586095308917831303325283024640832848050270813040723652509711541883006676758579823295237984755940147218341185516676178231665487945139026029503742018180316725142465252454173533687582439942659272034564712311949038072018559512298721836666645139045691854670799509877720401231405382136778436522796875664994038018476868854261099159543382426946530869936541120918545253689392866949814268049622508848445855222164612016801147973113565484670021672228522325713725451963387498913939896647388346573
 . . . . . . . . . . . . . . . . . . . . [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)
							41a43d63c37dade4258a7dbbf5c0a8e049dda93e
 . . . . . . . . . . . . . . . . [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.dnuco.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f62be371e0000040300473045022100c4f2eaa785c8b823e5a4f1ffb777fa7db268cface86e8095810cd524f057084102207762974eebfab64273b60ce0d8afee37243c34b6a035ce375cc8d1f06c1f53d1007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f62be3745000004030046304402205ec52d1c501c606e4feaed2c5ce811d0f7a1dc68995a6eba04bc4a9f8aa9565b022015908117cf72cecaf2f40fd639e0745731472e14e87dfda465b2bb99f6dfa654
 . . . . [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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