www.computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:62:db:d0:2d:9b:77:4a:26:a1:e8:a5:d4:a6:a7:3d:a5:e2 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.computernetworkings.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:62:db:d0:2d:9b:77:4a:26:a1:e8:a5:d4:a6:a7:3d:a5:e2
Serial Number (int): 294976711607381896892747227259625889703394
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 75:85:22:9b:fa:79:64:bf:9c:80:dc:c9:1c:24:51:80:c8:35:5b:c6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:b6:87:05:94:16:0f:e2:5b:e0:57:59:88:c1:1c:80:d7:a4:9e:12
Fingerprint (sha256): 9b:b9:3c:6a:21:dc:a2:54:05:21:d7:16:67:ce:71:3a:3c:a0:50:91:22:13:4e:29:6e:7b:7c:f8:df:f7:74:00

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.computernetworkings.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.computernetworkings.com

Other certificates including the domain name computernetworkings.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 294976711607381896892747227259625889703394
 . . . . . . . . [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 2019-08-27 09:48:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-25 09:48:35 +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.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 831666793207195912050991873473453350666531071818061896604628991798935115112944552628344215663672960853442608993398040427441344140548544005928070170513629690972325641947018889068782742809685937076835936829622101392501380905159375540175149454577370707028121185961620928523511618704461511976876391349524698851551643952949735307473687457425629266740137656353135056409412279207781171660655134988625439149203730695263806657130459763620350707275282593653952334416338396076768812518758987317606667475012102138619937162762948259261606187230836461654798070207229015603112894136623653062737030317054663195333291149648193010239037611232939324925518538241947509411738416902193876586728255035406530272926760402252548571564380486776333896801355828259529247823316436164386832024645154470801828204961900605940318133550928542030135323123983785969586404240559773669362337051172510321997848507811512494961847061052984059669778638342155048915499074865541220088939914230365551912435060445235263008597565317841047425182486630747033707311574634637009994499666319706245093817390057529834812140667301210834928044455613469526974533620542136094723096418166934332338361650151892606103775040921331063699553430478545894099586643215710389630348548353401299363295201
 . . . . . . . . . . . . . . . . . . . . [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)
							7585229bfa7964bf9c80dcc91c245180c8355bc6
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00f0007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cd2b11287000004030048304602210086330f6bbb1405fbb923ed88e96350b6fbe322540375249081fb9b52f4edea66022100bb1fe38fe49165780a241c496a3ecc74a3a981132debfe6d59541364a7d706b9007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cd2b11275000004030046304402200a59bb0dee613efa6fa2da6d003fdfaaa25149a2a75b5942340e77410bdb354c02201ebd81762867557a4059263372c4da632e28a92362d35189c600e1b908f9c0cc
 . . . . [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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