computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a9:cc:a7:75:67:ee:c6:fb:8f:83:54:36:68:45:f3:d2:71 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=computernetworkings.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a9:cc:a7:75:67:ee:c6:fb:8f:83:54:36:68:45:f3:d2:71
Serial Number (int): 319116609810911160773294113445007406125681
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 65:43:ab:f8:d0:06:f8:53:e0:54:e5:ea:96:18:eb:1f:cb:eb:13:5b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:b0:cf:d8:55:a6:7c:26:68:96:d8:cc:a9:4f:83:3b:54:01:3a:cc
Fingerprint (sha256): c8:ad:2f:c0:51:42:ab:a5:1d:b2:5b:3a:43:9e:af:d7:c8:b3:50:37:cb:48:e9:c4:03:8d:96:13:74:e1:29:e5

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 computernetworkings.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for computernetworkings.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

computernetworkings.com

Other certificates including the domain name computernetworkings.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for computernetworkings.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 319116609810911160773294113445007406125681
 . . . . . . . . [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 2019-09-24 10:25:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-23 10:25:25 +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 'computernetworkings.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 765197334577034696736122708861040755063142989268580557425062734409764544430029086271173612913849083066165687165347895096537031328342914586559696823331170700777013290265579090224608166440347647819119050730806855094040634593158852537529685458974311477103297232407681559378623839917742957993897056781611564068609993154805585519377805671275938911933732218192736938389585578890753971613038240679333277981665218005589106806961266661670547345788437368478778486591637483672127081907744147704091282531234180336093755723182131002071792123002460095924717305663027076062271552473607047619610751035508465400202804131129207156015323679859672729342992451581775891770374327399158986434762244953304733848781078349163507350362990238353292414697779348534498559442283897616250920538349277072584050230759555975410413233754384650343879664442004231231937681243876909155352654291028491254526835885511711003619375357898081354470481449457538079281256398513938771954426471519366248015551291917040432174031925376366317614027692999865575534183991574498202870063000886369710037908459183595512153870952616991995000365239041327701690205373593143625439671388908220566816691212327188297106073381596037899119179865685980341121597393876362252028270639414761023900946109
 . . . . . . . . . . . . . . . . . . . . [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)
							6543abf8d006f853e054e5ea9618eb1fcbeb135b
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'computernetworkings.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)
							00f000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d6304db8700000403004730450221009ea09f87e52d68cd9929a97d48aa531df9cd5a671b20ca727528484138138876022027ecb6681aee5c135c91d39ecbb60b438b43086315dace2cd0ae52b0840944ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d6304dd980000040300473045022100990072eeda1433098e19d3cef5ccfb63e398a4713c77d9ce7d0d3d0884622fc802200f8f17afe98a99cc8c06cc35a0f14632125abef1aa548497386bafbba6b09aff
 . . . . [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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