www.computernetworkings.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e7:d8:96:21:ff:bc:0c:44:c2:61:5b:e1:9f:ad:fd:14:f6 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:e7:d8:96:21:ff:bc:0c:44:c2:61:5b:e1:9f:ad:fd:14:f6
Serial Number (int): 340229977335216743427908117683245758092534
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a7:76:e9:95:8b:41:e8:36:30:01:f0:ce:c4:bd:3b:33:50:67:08:55
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:62:d3:ef:8e:07:b9:7e:02:9e:d3:8c:0e:e6:bd:f2:39:3a:61:45
Fingerprint (sha256): 4c:0d:47:eb:0a:1e:5a:1d:4a:74:8d:4d:47:83:f8:77:e1:4a:18:f2:e8:39:b7:81:91:4f:f9:be:ac:48:7f:18

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 340229977335216743427908117683245758092534
 . . . . . . . . [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 2019-06-23 08:46:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-21 08:46:48 +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 705032510232739398652779088803490142511392816296690584985239407062461931204045701954604440881843099963698244163614468546080728921685945696384136867154765807257013959775295438329980135487102523964944906383355140707884859186338062169504869656648778057334157542382684556504354556841323625791687944396350349815668932438204599256835633379973584778963183233142053865485911618922660980079123006930699937360305744142895984203349750140555027446683301876309917108302669814050892626679226995262155832656057386471083703956817964717821185759810564615806641286912927374333912978782301055535278260441458333700429731634433626443245292017372804790215354617177630822142381646322021621884263127645956509579339136286402976498301690440030455689906066276189494530416597591687155819824779104242424568379749744026034613042083045657756398190300839885923077016841664698615369383278803469325875622958003843208625907134111071872881370373948326038050886563922628628549481906528972594541672042769508567151566411057274462337558305727334493105029530543519181323879419626019452291643638194285026779785629891774406338622589650302052427120125597673705772206053749407639693260811631088312359655073102287265657451341508082889102933774946133706417820335656128391223745967
 . . . . . . . . . . . . . . . . . . . . [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)
							a776e9958b41e8363001f0cec4bd3b3350670855
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b83bb247900000403004630440220473532de445c09850197d427f88a484ed56e62a5f5984847a6e028837255b48202202f153a7fb52cff4b162c3c97f290614a2623f3030118978f81618d5654dfb9f600760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b83bb246b0000040300473045022100ec0067213b5758dc350489544d7f25fb3783aadb582608ab4ed187f922ed4c4c0220405ee98d599b947f5541bf59b1ea1378f7683270ca5f3f3fe6361ea274a781d8
 . . . . [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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