computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6d:4e:02:db:ff:ca:48:1b:15:d7:66:01:50:e1:23:b9:d1 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): 03:6d:4e:02:db:ff:ca:48:1b:15:d7:66:01:50:e1:23:b9:d1
Serial Number (int): 298531330420041460748524235374980956928465
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:d3:6d:47:b0:8d:50:7e:cc:07:07:dd:34:c7:79:0a:a0:32:b4:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c7:e0:8b:8d:3b:d0:27:27:7c:50:0a:e3:77:47:56:66:7e:53:4f:84
Fingerprint (sha256): 55:e4:55:c8:83:8a:c7:51:d8:45:93:a0:97:da:7b:46:6d:f1:0b:86:88:de:ab:76:23:3e:36:1b:e8:d7:ce:b7

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 298531330420041460748524235374980956928465
 . . . . . . . . [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 18:54:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 18:54:43 +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 824927392531972111878204731628994218235980902746877870945503395850182046094324053750288865624195890223089348657087179612322569759600208100592430916780160910945528426433897508086213441586133459211232573683919339113309613744988841964388803586739715550587433438267571885794885464099036558923267865279197237501440598501097152624484949073037783372877751145666561554201604551069371779403132042811703282600543059445879575607955180985000403602137540582826328461456282221834933544096247066391400030905809230304162994461983792999403908561203725080433293507358685056306249822425671429394431549785676263617922988354687178628381948874562424765659448544071202736635610396546526034332015294034560616157555522312534233570237456483275276097982599689001103224166579105276898360497146001726413406196430695115750474444488362157070419550139523126652357130676464863390179818151241002835486565924159198577511477199384685659881776260175578036085548468912124492543859230774464462018684930558735733573239266013545356699362539078520592167822003393988145523267631811335242555092280090908089492610373086678072855251307825526982994217366970214938490873255959698044502336536523780773488065851781082396361589949047946621600454683950064346775515463977488404457329989
 . . . . . . . . . . . . . . . . . . . . [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)
							49d36d47b08d507ecc0707dd34c7790aa032b456
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169ac1ea61c00000403004830460221008f1b904f928023bcb0a6e9348ed691af64f675492ac28b7c1e730a09cf679beb022100f3edb40ea14bca14a9adbf36dd8d5288e6225b7369ed5e3fe14517183a8a478b00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169ac1ea499000004030047304502207aa892ad2e0dde4e4ccb4757a45546b33087838508fd5fcf159b505ec37e9000022100b4a4d10ef868909bd77e9872ed3bcabecca790708cdec894abcd3f33c73a4890
 . . . . [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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