crain.visd.net

Issued by R3

About this certificate

This digital certificate with serial number 04:2f:35:94:cd:a2:70:05:74:c8:aa:e8:19:cb:eb:99:6f:10 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=crain.visd.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2f:35:94:cd:a2:70:05:74:c8:aa:e8:19:cb:eb:99:6f:10
Serial Number (int): 364513636686800358058155653116424441392912
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8c:1c:c8:7e:3c:c6:3e:08:6a:94:8c:ee:62:55:a0:33:f8:47:3a:2d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6b:c9:eb:fe:f2:3f:74:57:11:4e:f3:db:25:f0:ea:19:21:78:59:80
Fingerprint (sha256): 54:9f:39:ef:25:24:f9:e5:04:0b:e0:1d:49:d2:5d:03:3a:a1:6f:14:23:6d:c8:0d:ba:0d:12:07:d2:c5:fa:2a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate crain.visd.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crain.visd.net

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

crain.visd.net

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Certificate

The complete raw certificate details for crain.visd.net 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 364513636686800358058155653116424441392912
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-14 01:35:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-14 01:35:20 +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 'crain.visd.net'
 . . . . . . . . [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 839248936388080362037051237586332615620242853223023813117035418177643026029884792320381554445318705946157007638167508678582171592816146577785899919515664633028972440914592386003747014551034095710228622170675465191411320611397504380160973017117213194795183238617890144114151347873334499285667239043287961253064903345773335829129089403747532694289248758407328064097817372814216694280755010836992117331862007020354980518887950920948144459227634579248151131460996332092042726418178357133738823365794030950724938047749989968015001393735163315570399300089294763542730326269949453712737742720978497087612869788470165189009496683190332320274145233247405977535283656903776490045132941559676010139742963885668240528430887170248951841517788270648814653943076554962418927481738522686347190355707632081716656170564720976541061774243322908431982210306660196093446683116086085546221197493588676254120009802683893528030027473457559001965939078717406419463649421099970969906505748211825387355916140738006451925068012945004214587134843273173521877965509220145573097755413464649261425040377121244573010462653985527358513672117401960535289527986050369899154411326259538562600984227981385262951458165180377331183564999693655267080400607020477297501584033
 . . . . . . . . . . . . . . . . . . . . [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)
							8c1cc87e3cc63e086a948cee6255a033f8473a2d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crain.visd.net'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018da57802ee000004030047304502202cfc4517e86200d148892cbae4eb04acabdb9c1effc50bf151145080955fd98e0221008af78b2fdf695f1820716c70a6feec85bf1c74dda78e01dd927278a7706ae3d1007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018da57802f80000040300483046022100f34031627660a55ef91e87cad18daf5332d6c93c7fee469672f68bbbdfbb0dfe022100d8acca3c2b07646a11f06c8bd86661f874cf09f8b5206615d49381a5014841a6
 . . . . [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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