www.epuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f4:c2:d2:7c:30:df:91:43:a7:7d:4b:02:ed:1e:1a:0a:7e 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): 04:f4:c2:d2:7c:30:df:91:43:a7:7d:4b:02:ed:1e:1a:0a:7e
Serial Number (int): 431737004388163471089118345968581997103742
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e0:9b:c5:9e:01:3c:04:f7:ac:6e:30:68:19:8b:90:49:0c:4c:2f:ea
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b3:44:02:da:81:7f:7d:5f:64:3d:42:2b:0a:6a:fa:44:82:24:20:a7
Fingerprint (sha256): 7a:22:35:78:e6:4d:d1:64:51:f4:54:72:53:07:a0:e3:64:5e:0b:7a:99:34:ab:1b:2e:f0:06:8b:77:1f:a4:c4

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 431737004388163471089118345968581997103742
 . . . . . . . . [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 2019-12-26 09:22:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-25 09:22:24 +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 813306432244685829504970850012137947012626885623748604255852425139753073851227510568866241199768236813019943923231751535622205687527575681482768565615639200662538150561621491964146194290101963360049101095427819299171116963709654420354409028034566314338257876895291341060000028580947474940323016177375733212328093457321519259703991354570836894341404301402265278169909521103207891095041970865103145580448279871305007768815786860146219670674865157962604086341101601758265533596411246996873082668049546423334746690019526656131128297887748488880926066762913885917102282467630931474306673259615697374761103367895806639832059118481939413075121588172505667999093543781582627083891816166239321217673741705303858759723503542835142490312426322579312843553584385220902915715550217595402941884130474071682706537771643421601972297776026177340559187442894158604002536191096360367250500993172487807206516647304247953807632535842647546043294800809369578883808156140475272485961066132209660875895862274078751984709320167685569867341469545939384213600792314208152859944632433692682207102488944546184740818312538800982978331556257308059566628498083757126254529584910955915259882690924514833116506016394388027911464109036421948283463527347900638796105781
 . . . . . . . . . . . . . . . . . . . . [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)
							e09bc59e013c04f7ac6e3068198b90490c4c2fea
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f41ba94ad000004030048304602210085e362eff702812481a0748563603490e0ce238d344af8027e40b41b5e167013022100b8cf1ddf5954c2146404b38d7c878d5ce979e8b4c1ca4066cd36ce8097d6061e007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f41ba94a60000040300483046022100b2904f0de039a12df129d4d5bfea6c5e6352f5b35c962bc12a3fa140cad3a61b022100906dcf7338995b80c2d14b427db642ac0ee7b9ba7c24c6e920966ac67e4bdc7a
 . . . . [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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