www.iijco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:7c:6d:07:1c:6c:03:1d:81:4e:9c:e2:97:2f:60:60:d1:4e 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.iijco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7c:6d:07:1c:6c:03:1d:81:4e:9c:e2:97:2f:60:60:d1:4e
Serial Number (int): 390789079999320996208194944296970759491918
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ea:5c:88:44:0b:c4:2c:9d:5c:7e:33:c6:6d:6e:0c:8b:62:ba:f5:09
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 96:43:a3:6a:cd:d3:d3:b3:1f:8a:21:1b:b9:13:a5:54:35:e5:3d:e9
Fingerprint (sha256): 1a:ba:03:e7:69:d7:51:0f:9f:e5:3e:c2:d4:f0:49:f8:ca:d0:07:fa:19:65:89:c9:ce:2b:f9:e6:62:44:93:f2

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.iijco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.iijco.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.iijco.com

Other certificates including the domain name iijco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.iijco.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 390789079999320996208194944296970759491918
 . . . . . . . . [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 2019-12-31 13:08:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-30 13:08:40 +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 'www.iijco.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 997993309768153835321455947067035952754898699286152041315828035149729729864930784658811029769201140528452191705717925445586040557398849879220960164115453169751597825459650141556715318005613358715844000934095903857738593642345266256826852368083341961201103069976192085443180391765751808045984839375879722582945337016291613288176413319429919922158552187223748193079496239173707315837772042099996479281039155844324082789569927900454155613536039428667123871937664658471344552356094146507932592792521640432004901417217819693406317131980590397684548804766060879702165305599459712715835363927342376955858975979329342075847409639701253524934109029553316956709030723751461803632009561590097175556031058533782886499582707726564217341818444086437555862019382587838351709682681929362956160926278412639060107585772005572759157136325880055760895729979442021003974172422367601524078280846978629255368854139790165835377181085955144137926457158319784049065344143889138623027995282004685747921929321580812615689279745222676269254638843421557321396548168718067206935792539807979869016931900728487777099991966096740630298957991508359019597198680447192897530801235084030117792686874493478931256471107495580085034671049049812530106892767031495724392076603
 . . . . . . . . . . . . . . . . . . . . [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)
							ea5c88440bc42c9d5c7e33c66d6e0c8b62baf509
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.iijco.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5c498a370000040300483046022100ae7d3b67f805fa923b0b7d1af40d84dd24af2453dd2125c310c370e2136b0ac2022100ea698a6af7e8cbd2bb1b3c75e548ca8ad08a5da93253d1e651af58db58cf27950077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f5c498a640000040300483046022100bdd9c2c91ef5a073811da032baacbf01858053d2c8a4410a6c89be86c35cab40022100fcc5bec6aef42692a32c6eda982678ecd026f0c7b8a7cc1aa8efe93340b74855
 . . . . [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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