forum.cusrom.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d1:d6:d5:5c:9a:7f:78:b1:e1:2d:84:c1:5d:21:a6:c4:79 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=forum.cusrom.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d1:d6:d5:5c:9a:7f:78:b1:e1:2d:84:c1:5d:21:a6:c4:79
Serial Number (int): 419853721042068236435935899085316446143609
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 72:da:9a:95:f3:d5:c8:5b:15:f1:c7:c3:ca:fc:28:57:6f:36:95:b4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d8:6a:c3:56:f3:07:e8:5c:f5:82:a5:70:a9:e3:26:4a:91:1b:63:2e
Fingerprint (sha256): 84:9a:52:ee:f5:b0:81:de:04:28:b3:a0:24:fa:1f:f9:04:31:41:53:50:4c:de:71:ed:f7:39:10:25:ee:ed:e3

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 forum.cusrom.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for forum.cusrom.com

Public Key Algorithm

RSA

Key Size

2048

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

forum.cusrom.com

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Certificate

The complete raw certificate details for forum.cusrom.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA41Fwnur74H2VTavs8pES
ip6CM8pcgeZghDJdWbfZzYKKOfi+syUsqNE5EoJ5Uwth84dd9MTq4UFhfSbHzdwJ
7WyHW0kl7Ium/map191jRVNMhEghk4wwyY28l6aC+TBL3GJ1L8T9Wy475BDk8kLu
YbzxGh1GYuYa4tI0B1dcZi6pvvIO5UqQfKQ+ClvaXb9tpJgtjw0V08hAsW0nUxk5
Fa6HiG7IAV9yxc6yNrcCwfioCXLAMjuhSsDZm6/QDtqPXF5+qaik3w1l/ZtjII2k
0e0z/GGRXOo4dFt8mbqhiWUVwDFsvvCkQ1wCxNsgW1lC44tXLyak/iXl7nkjy73o
ZwIDAQAB
-----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 419853721042068236435935899085316446143609
 . . . . . . . . [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 2019-11-14 11:11:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-12 11:11:14 +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 'forum.cusrom.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28696254751026881877640087427064898362500917514057230529114147997668745513012240047335206346591113274913297647557919551278292433984218285957613763776375662049443949796534587858471850675149232253008891999075681827286330040667769145532486124767202063551112565369243733490542319768006429777779555646866704315566982170764421997343143637943926828205693687193986034209148510200117393840215903449187931717266873463719479092500700177074535058319143087210773439924456184016681520744898454168446859810752382195674290057746887652147219933978813870161589463880988707759961798277529522969640387142931971557798684843763739526031463
 . . . . . . . . . . . . . . . . . . . . [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)
							72da9a95f3d5c85b15f1c7c3cafc28576f3695b4
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'forum.cusrom.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)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e69d31feb00000403004830460221009fb86cf5164400fb2b58f672021c5a1e4bbf82c32d9b78d3567dbd5eed9be50b0221009c42f6a7537a5d6c4a72f15d23fa900a29a8e8c5fc40671be710a2c8695b664100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e69d320240000040300483046022100da42e5333f930d6b9ad5243a28260024f35662508f91c17b2fc8b24ab5940628022100a356fcdfc4447a7274c190b5cb6c4f363c91864bc78962d18c2547c2bdbfb475
 . . . . [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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