computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:01:29:84:4a:75:5d:4c:cc:8c:e0:75:e3:05:f7:80:b4 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:a7:01:29:84:4a:75:5d:4c:cc:8c:e0:75:e3:05:f7:80:b4
Serial Number (int): 318165557866421722429060449714934321217716
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:c4:d7:87:0a:5a:36:07:eb:ca:05:4f:40:99:3d:67:ee:fb:15:76
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5a:9c:5d:87:18:9a:c1:42:cd:65:61:20:18:17:31:b3:b4:3c:29:76
Fingerprint (sha256): aa:6c:ea:93:96:e9:b4:7c:78:0f:59:1c:fe:c9:d5:d1:be:25:93:12:69:46:86:56:0e:af:bf:3c:a7:b0:d4:21

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 318165557866421722429060449714934321217716
 . . . . . . . . [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 2019-11-23 22:27:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-21 22:27:40 +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 778552986713905109863507470032633811429056557095247932936227409445868521854109782312999768049179175553117433745784065051536240339670519736408993191351934806621729672397642676709812362666014896235254988483189312946560923514476968936690099059625680895266805313268800300436683976926322595325648492792335216783210400098955667100554873082394662425614664705669749866539128477436962634752412103201941641456612548483354494837023468183289286837129044548414131154994434466262753135811418417155790220130729579950263481921284245059033195023743309939127142468853244029893587531915376584078743615624996690585284618811944885934141206464810588799282337151356916105582618109587141052874569504945411776959187573323045295017491659352470894681162277515780316665887943933888154597062854932722252856672539915226850751948003981017884265098141046984516027105982165894824773225559773359764085385225465372423491349103724814053466642088102618355525965564970887402305048306194861206340267958570579938432964016208537273576553421790905813847400015554200794342156292618202915417337741321767037272224741733455019060686213572007982633902192200036962652608565747085048791411603125217726575135941899263890205354628571072939002107666012026452309328994406278034141969077
 . . . . . . . . . . . . . . . . . . . . [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)
							b7c4d7870a5a3607ebca054f40993d67eefb1576
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e9a97a9de0000040300473045022055920f4ad1b42f283bd0c39536985fd0c627581e2ee1b02edc947f3e8679b2aa022100c4b4f2251f3a29613fc80ea02c955a10379face8a5d1c458aedcde20abbb5d720075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e9a97aada000004030046304402200a936ded9a3c3c63950fd9030687afd8f9a163eb40910035eccf1d1341e8201002207a73bf5b5f5df5427ccd2b3f3efaf3852a9cc6d8c73ec526d3be57c003e9b0af
 . . . . [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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