www.computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2c:0c:3f:3d:45:e1:29:4b:a6:85:9a:9f:68:4f:0f:24:df 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): 03:2c:0c:3f:3d:45:e1:29:4b:a6:85:9a:9f:68:4f:0f:24:df
Serial Number (int): 276325561033216952103529439249466978673887
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:44:35:7d:13:01:ba:6f:36:6a:17:b2:6f:4a:c7:be:3f:68:27:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:bb:ea:7f:a5:84:40:04:3e:fd:8d:dd:06:5a:21:1b:5c:2d:e7:57
Fingerprint (sha256): 3c:98:57:31:e7:c2:5b:f7:1f:90:1d:41:bf:70:b9:b9:fa:0f:4a:54:82:f4:17:09:c5:30:9e:0e:ad:ea:92:e7

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 276325561033216952103529439249466978673887
 . . . . . . . . [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 2019-03-23 06:49:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 06:49:59 +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 721701710519909049711040014446860182313965030798524542331821875754980661756910041793082680727302836277240648254483910273452801600158357198874912465707189437539668173704456133165816820149246374627653503735421939686742818308003823858226306542401550575691260621612920945384325125298814434684908334358119097894824101517164204471255030532894076976702289709229309303974351471780076322610867302156564772846947700766714004540793239496494694964619114631684453305291750398405503382119081592254059549712262970882209640183141292906358584672790997835783637818731678005956890211405782822208903599933884948868823074843325585758149865801405448260223785515746798514917349504485750199598714904010077428809007989366881752962451676399157882650635855379307640877961969973169148440445101378418597060819721186479308612654456846991211875921082336152514224674072797985494896186824512893969154888682063707213274080370276970892270303428978180497072390438419197357311090373655990648761019279175738339187759143479237260887204795104790571998093039411793760767494150060575367386115512620603070949899265275589957793657283041062992121328049047666337264999315132150551111679955503780138523997547516740465772739954990960102297061353940538781155775745845439870230904121
 . . . . . . . . . . . . . . . . . . . . [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)
							5d44357d1301ba6f366a17b26f4ac7be3f6827c0
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169a98724da0000040300473045022033716ae1726301bacf349f5433a02fc6dd0c6f2e8159f4798de8240b2b9c22a4022100efca1a50b7f339e3874e1ba7e406b7bfa9304a8e6af54af2b9982f203adc694b007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169a987254f0000040300483046022100f509acdae7129ae65da6efbb845b5624e8e847d5fe3f75fa04884f1a8f47e715022100bc66a8d5fc084f4326d86edbb8632155dcbad1c6974cd6130699c02473ff420e
 . . . . [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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