computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4a:3c:39:a6:90:38:80:1c:17:b3:a2:57:a4:af:96:52:fe 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): 03:4a:3c:39:a6:90:38:80:1c:17:b3:a2:57:a4:af:96:52:fe
Serial Number (int): 286597805966404553317660215743242646737662
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f7:f4:4d:4b:a0:04:f1:9d:e8:2d:46:6b:ed:9e:1f:fd:22:97:15:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8a:aa:3a:82:be:84:a7:8f:fd:41:43:f5:71:9e:7b:fe:fd:ed:9e:4f
Fingerprint (sha256): 54:08:6d:29:96:a8:e5:4d:fe:b8:ed:71:56:32:c5:45:a7:57:c1:3c:2f:d2:59:26:c6:19:4a:f9:fa:2b:64:d1

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 286597805966404553317660215743242646737662
 . . . . . . . . [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 2020-03-29 10:59:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-27 10:59:53 +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 733332302728881551638151000645855060141930106567273709447669853612555565025798628984983752061233752254890636759943577925953451606648949867811075772403648810092908139842481832933912087868293855553683144442104657778117537735562260856928055024982557059460952346805443736647868287382871926637641341332976721096567588426145163287336279525133391401631111678391825912402351848555090159708531487614546041631286340381367964827623069903610389801368901874495230141178835054695472885131419517766825146091978982728428162081546588924492291277195073641799014459939407201979928690365987350434037219039564314193914875859512962806536946946962285735305768097093421494037821721141875010220937087996450643702668030578606569664124343888824898230779065832836823264840580686892919692957540953691981889440640023267999107754734704777156064312667680888382381163819839971700703669022595040776468701230922945740136714366369767300052777987641397145420502818167224849185956165200625392539211957347268852746234490823458805879731346091466871335960128277033372472768041509315532959092518515287391967146381233746097273037242624205857463369704377675490671843121510608750423932711788965724693726687378182373858939971852373135312336502659173944886419148148244700889866647
 . . . . . . . . . . . . . . . . . . . . [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)
							f7f44d4ba004f19de82d466bed9e1ffd2297158a
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017126299b180000040300473045022009da1fc2ea8cdf6579cc69bc6027e3d2cf110347456036a653506d0738ed30da022100aca6829d5f079b8468e4142b4408559ab2e4be3027e9ef287ccd1b6652077dec007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017126299b160000040300473045022048de6215107fae40e949ded5f6b9725c0320eea739dc54c7bc1a7d7279c6b123022100901e240dee75e83abf4010d6bfb8cf15e30c63edf8110fca1ca215dae91f3fe1
 . . . . [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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