accpac.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d3:19:e2:8f:3c:41:31:f7:e0:04:18:e5:e1:aa:b5:07:b3 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=accpac.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d3:19:e2:8f:3c:41:31:f7:e0:04:18:e5:e1:aa:b5:07:b3
Serial Number (int): 333170844279741847505115550350591028168627
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0d:59:7d:d5:d6:85:ed:b7:2f:bd:b0:5e:58:c0:5d:9f:fe:52:5f:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cf:06:dd:61:66:8a:e0:0c:fd:16:db:3a:f8:8a:8a:b4:1f:a9:69:30
Fingerprint (sha256): 89:b1:92:cd:44:96:7a:41:24:5e:f8:97:d4:a8:ed:3d:e8:bc:e9:7a:dc:7a:8e:fa:13:ca:a9:3b:f0:c2:b3:d7

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 accpac.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for accpac.co

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

accpac.co

Other certificates including the domain name accpac.co

(limited to 100 certificates)
accpac.co
accpac.co
www.accpac.co
www.accpac.co
accpac.co
accpac.co
www.accpac.co
accpac.co
webmeetings.co
accpac.co

Certificate

The complete raw certificate details for accpac.co 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 333170844279741847505115550350591028168627
 . . . . . . . . [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 2019-07-17 03:18:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-15 03:18:14 +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 'accpac.co'
 . . . . . . . . [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 913438684094629675229849391737211683455426938753609383263394911333938485694337900310622711515195682302955496118891465508458027419925125070962619332267588840480312857081899057704659703375756692451654760823661091357252391791892901536511631218610985225292343248703556920626442507095626282577052281890547215229147363725585060245248349831875151681270858982129193345591377820926959351825473361294842163261402042359956606149011382441197816213170626962759761768909399702321981318136406753164940681020995620504592612533226283086328663567982641179639225091600041960769272117014412192710126117630883070498291441707637939004824508618415708182533447294309379855716215136225558702624309079946315410560245293977287186495838328038687179906181688299632391784492583590988141147603289833576057779508383582500060335558381332086212424122238257045760693369306886796451551160707087493458554764778506409647790146852129727192804031183577125437966655349684632630592294380690036296159201028768133744605638147733656180676257415365344332743980808411392390225665122309550242166293414327557505053000655698820805116137979009581829328651330100095611890770770223290528450646392134487420496178689291316368617249417445548936217408936012641289913987676350583545440172423
 . . . . . . . . . . . . . . . . . . . . [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)
							0d597dd5d685edb72fbdb05e58c05d9ffe525f45
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'accpac.co'
 . . . . . . . . . . . . . . . . [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)
							00f000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016bfe26f6a5000004030047304502205a04cc11a0ec35e41f48c9ce374fc64ce1d67643ba9c41cab485f48339bd6271022100e44a41a8a0fef35b53eb7eb5d2ac28c4e2fcdd8cc8910c0449d40a5e6d175fad0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016bfe26f6e8000004030047304502201674fc2addc669049abd6ad4b4cb4ff1f72e36194ef8cbce8081c03412346ce5022100e31b0b11fb4661ad20aec9b72b215a12bdc5ad7a09d24b01399d2f76bd8ae363
 . . . . [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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