www.computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:eb:03:6f:e5:76:1e:e9:06:98:6f:25:55:24:fc:32:06 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): 03:8f:eb:03:6f:e5:76:1e:e9:06:98:6f:25:55:24:fc:32:06
Serial Number (int): 310309622690402242870218060157180326982150
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 86:01:e5:ad:d4:46:98:88:4a:26:3a:71:ea:26:58:e7:64:ac:d6:f8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0d:f0:5e:a2:b5:ea:49:7a:36:77:09:b9:19:3c:6a:57:43:46:9b:f3
Fingerprint (sha256): ce:c6:69:60:3b:6c:7f:5b:7f:4d:15:3e:3c:86:40:ec:8d:a8:ae:6c:9d:12:ab:b8:4f:2e:44:69:60:f9:3c:b6

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 310309622690402242870218060157180326982150
 . . . . . . . . [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 2019-11-08 12:39:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-06 12:39:58 +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 771174558091068348631249085587622154759733081390396082206274310568529679392020104039817620382326924870953518668037246444060694960470679252980249801195278763411602852299458540734805265288217517432993740501435093352519321061576407658622124618055399545209482111896768127804688081834466514247114742168594596987691566828271347264670836137532965368301952946387339751513480002581052954897413058495174217480621335869911738447629966889914897047103984901539117006774964405221762249818103577870689744798740977655255236823635252832957047763599108166861522197802674730846267030239310456295887316894607235791495274572581465377573637113299507545329018283285602352235982742326813513281199723698490781384522249314920209168661091839920665508899725257899272055708865760653315406537459764384807720721922631474561034505333549857719839058408787568986157508389522380955483423740335612067430109369776553233082818665399393472707080155364504354459347822864936030012193053355404071286525607963902319641773850513686115283432603348627420644280373815868356396579517517755007977102817465200032069176619241667781425380339545607089098612826569497180658522580871357249930326387440078712498138165295250790419277547982050407340160728723426734585576825337771898982929349
 . . . . . . . . . . . . . . . . . . . . [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)
							8601e5add44698884a263a71ea2658e764acd6f8
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e4b3e35e60000040300473045022025a3d6c35b3367f1277df897f5993309fe13c832b80cf560d82eb6066ce8443902210089ac08198e86e1b3cc81b15f36d68727d198556feea52024568f9d234a83e42e0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e4b3e36000000040300473045022041db225be06d79243c4c62cdf476f8a61404b02d3e0284297883017ba691a246022100fa3d353abe451f27515de32675c742ef94cb25ea009d50cc9b815113265a9992
 . . . . [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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