www.duvsa.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9b:5f:1d:89:d3:62:88:07:3c:02:90:51:83:96:05:8c:6f 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.duvsa.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9b:5f:1d:89:d3:62:88:07:3c:02:90:51:83:96:05:8c:6f
Serial Number (int): 314207054699672418264447989195676638874735
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:ee:9d:fd:94:8e:63:48:5c:9e:3c:a9:5a:31:2a:d1:b9:ac:83:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c3:dc:2a:9c:a7:e8:c0:bf:6b:19:eb:e1:6e:fd:b2:8f:78:3d:af:ba
Fingerprint (sha256): 34:89:d7:51:71:5d:a4:26:d3:73:02:04:be:4b:97:85:0e:6a:3c:bb:2c:e2:c4:c7:61:01:1e:50:34:37:18:f0

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.duvsa.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.duvsa.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.duvsa.com

Other certificates including the domain name duvsa.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.duvsa.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 314207054699672418264447989195676638874735
 . . . . . . . . [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 2019-08-21 10:16:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-19 10:16:10 +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.duvsa.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 712864007723471786517967745400441014451323959806455547130214587750963298402604819053733251987173134353572609355855348626072747769878058150725579374595634886108280662066553316221379499101602638692034755236440769856260013281121316186753054562847317695005635836882015023512276972611592252716626024285846141369117172784274302499985521626638258380296186519095077262657926163467039400717533520232640073829969386506439888340223582112552225361024689849073507531745361991521265342446647867911847762450211261812708828036023640745289006789803888494636393909061151197889990628801564263174768049343235248090617349560552549571398798358271958989841051373172399505006692169646113763510595933534139680813248757685154460263180668829561310163469810046169803107337390448442377874707007072187389128824006896428687932315111323915794836583103376315971445233587917034341369449072594907185158457052553799386311962952487415569290387513185301874944947754250804460580713849017535361152792869242172255094190031424967790933980521727604881383302759436207371369381535370664531223614722560791538354963525739172806850654630637931305507215683830378119816777827529668761843166678171123168679543562396175699532791661662397981346498170408779503687563724607643990079770011
 . . . . . . . . . . . . . . . . . . . . [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)
							6dee9dfd948e63485c9e3ca95a312ad1b9ac83a9
 . . . . . . . . . . . . . . . . [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.duvsa.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cb3e42c3400000403004630440220627b1823e1aa1c64faba5a1acd68149b604b35bfd633fabd20d5ae2a728888e602201c6ea9d97750c51aede9f18100696ffe3c74a9829ad188fd1d5b48a88597305900750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cb3e42c14000004030046304402201d86ab7e3088276e95d7ae86c925158e56afd35386adf33f64fbc1747c2c5a7e0220141e78d2a856a84d5e5fa9e3ad7ac45d36aafe1a3ea7285c15f31f7328802bb2
 . . . . [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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