www.epuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:97:c4:d1:91:92:15:84:b8:ea:8d:30:16:6d:72:a6:1b:d5 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.epuco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:97:c4:d1:91:92:15:84:b8:ea:8d:30:16:6d:72:a6:1b:d5
Serial Number (int): 312981112030083089106136160043326190787541
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d8:1c:2c:64:c4:de:64:b6:fb:54:7f:8e:c5:c0:5e:c8:4c:bb:6f:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:57:17:7b:94:49:d8:82:e6:5d:e5:56:be:8f:75:1a:8f:f1:14:6d
Fingerprint (sha256): 72:82:0f:93:c6:cc:f3:ce:34:84:2f:74:da:5b:cf:8a:1b:7e:56:89:93:08:b9:53:76:29:50:8e:d6:50:1a:30

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.epuco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.epuco.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.epuco.com

Other certificates including the domain name epuco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.epuco.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 312981112030083089106136160043326190787541
 . . . . . . . . [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 03:16:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:16:21 +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.epuco.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 980909190703588384763809881411249935162158053413316204234978824856567556765419293704701056490921122180504298890083574520167052038169258011949204782859953674864774875760710288601486183560831524543050481150377709899420054667411019097744971652331393499475278109140304120084306642313554687645636341517827557290393772065739184942435370214330651633341707881584521113100351467430359732148861706492523588844400314945046192894014219991601171539438192841881801543212809981735612525584340664118965871638418547551352758780360641397238387915902365396195986400787571437646996313541708700234011392051742539132696575617730060594308179063423300907191693786783749469317641294680162505241507443011878247102902097648349578047261063844195478496611944343666917407025503189647289836211902105354988444205249539373521120001861367757413502611905114313352567022771759161120457747330968887482267240631749921144509594935526814368236649260235435610133265382538685681565058079778451455430593447334342282533466301097267426185993678133767462777230561550890532723395461614593916158608204648411863392772013993253423208288176512085237610298460027675125759293308134250409947127373518078295211210823225551702626172345947015537614646163884988113704527623933636306939532933
 . . . . . . . . . . . . . . . . . . . . [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)
							d81c2c64c4de64b6fb547f8ec5c05ec84cbb6f34
 . . . . . . . . . . . . . . . . [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.epuco.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe2e803f000004030048304602210095fad9f7ff64f45d5cccbcf8a4df52f3f0f61387f1605f9c1aa7e89aa99fca6e022100dc679e63beac10bf59cc2d833c99513e25f5ece3561ea07cb4de7006c286067d0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbe2e8167000004030047304502210095d92abdee5e48ec3eae9d239b3f18b434ead68abafed4c8d99ea7c15fc6498202202c39c288d8ef9ef0fde9d5639da521fa0d568eff1d574987ed4dac410bc0741c
 . . . . [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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