www.epuco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7c:83:90:e5:7b:78:8f:a5:22:fb:fa:db:69:44:b3:4a:3b 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): 03:7c:83:90:e5:7b:78:8f:a5:22:fb:fa:db:69:44:b3:4a:3b
Serial Number (int): 303706752506126737486752679891741237791291
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7a:0e:91:71:fa:06:e4:d4:c3:e7:dc:aa:5b:a0:c2:af:27:ae:16:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 88:cc:e0:63:95:3c:b5:16:b6:17:63:9a:c0:6b:7b:58:be:cc:fe:d4
Fingerprint (sha256): 72:b6:73:02:55:81:56:c4:a1:f4:1c:54:7d:f0:7a:4c:d5:9d:6c:b1:e1:24:5e:26:91:df:04:ee:b4:c9:ac:09

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 303706752506126737486752679891741237791291
 . . . . . . . . [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 2020-02-25 23:44:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-25 23:44:43 +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 786143521630261939181330116900626146560333938567545934711680178429863670163644050783477600947206309341099757007481789706906282236553281917082960558948519645150063754697253103815620791075314031321469770547585886454434172795017822401639325284755030319934165540099340166307106273146989053557584135868048152786399972202053615986286517132476534209483686443204112028451035395681945365308919732459615297972493724260975538596934272239054231564744679063788860042070506306170960608909172123239397341993626054800484078368647177936562777480329088375375673769202479242894766603448418565696819473585829946248770433156951778818345067473495562879538266887842322899030894556593644627876304834668955019136211997487500749432282739014396642744565905068790658988295802057918615101536752677644346001472926778154943070375828743807378071933222871932653219741602321876542989243238471121099490051627365337452607116174521279976979253487388068728092833242072643554066000694506265318885622611517569843659067829372689370871737137668406562290914998583699927905042222120866836704842159491268641566188726983367425508950812580074344320135623348225244687931371995115892121875315894538713930673016594085700924721667466846868703889810848078513611374901781516031923364701
 . . . . . . . . . . . . . . . . . . . . [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)
							7a0e9171fa06e4d4c3e7dcaa5ba0c2af27ae16b6
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001707ef3f9330000040300463044022058fde80a161ae16c34320759d9b2ed022ae752b8e6f9d7b38fa135ad67e0ea240220774abf2f8c2254660f5dd032e634eb04308d943b3fd1099dc7ffce272eac7983007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001707ef3f94f000004030048304602210088c096a6d681433cef160e52b458d69856b040a532ad9245718e5ecfae047523022100decd2df399d737b8678814f3c1f46e5330b70521a700d820de6b808b0ddca042
 . . . . [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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