catalog.ncwlibraries.org

Issued by R3

About this certificate

This digital certificate with serial number 03:2a:8f:d4:51:60:7f:ed:fc:b4:37:a3:c1:53:17:5e:4f:6e was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=catalog.ncwlibraries.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:2a:8f:d4:51:60:7f:ed:fc:b4:37:a3:c1:53:17:5e:4f:6e
Serial Number (int): 275819899226812081560797942011198382690158
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b6:f9:51:b0:e8:ab:5d:bd:60:04:c7:a3:3a:66:fb:42:87:fe:6e:b7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d8:a3:02:1a:f6:d1:f4:3f:71:94:d7:66:d1:43:f8:42:8f:04:3e:64
Fingerprint (sha256): 99:4b:f7:5f:91:55:71:23:b4:84:96:8f:b0:19:47:10:0a:bc:d5:fa:2c:27:85:6b:e3:09:ec:f8:7d:a5:af:ba

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

Revocation information

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

Check the revocation status for certificate catalog.ncwlibraries.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for catalog.ncwlibraries.org

Public Key Algorithm

RSA

Key Size

2048

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

catalog.ncwlibraries.org
ncwlibraries.aspendiscovery.org

Other certificates including the domain name ncwlibraries.org

(limited to 100 certificates)
ncwlibraries.org
ncwlibraries.org
ncwlibraries.org
ncwlibraries.org
ncwlibraries.org
ncwlibraries.org
catalog.ncwlibraries.org
ncwlibraries.org
catalog.ncwlibraries.org
ncwlibraries.org
ncwlibraries.org

Certificate

The complete raw certificate details for catalog.ncwlibraries.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA445ftLb0js/91Y/GN3MW
G4MfV6i+k7phCl7VDhFLE5xiJGDNnqHKq2j4IWtIPHeHRqa7yiSk/OKcImh4RsQH
fDMbgtXMdetWef8En/LGnKyCYaTFywYq2L88uGEDgshuJdXBfdIqOA9xTyUmvCXG
qr/4YIXSkAGJETsOZNOR22iVBSKI9PrIneb3VylbuX5xlB2xMVsYGtFKtSa/1hTA
A2zs1GTM7l222dkB1NceYXv88tg3LOkQm4OJaZjAIQSLDNuLgGZv45Kja2we+XCG
GbEb4Hdq6zr2nCiPy4X8Jk3oJdZIs64DioVLG25PyG/tEk2yoXsotbR4p2jbAROY
hwIDAQAB
-----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 275819899226812081560797942011198382690158
 . . . . . . . . [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 2024-03-24 07:06:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-22 07:06:48 +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 'catalog.ncwlibraries.org'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28726302389997068330297437609801238829112713022959101695911460335349776881676435444360853311743042209655936272574448182454399269150927504659201149033780952584534488199926157614954920076843100881666214122680074040173004560465070665652660310979033114068375873519463346788702753456247738932139930372215635526894610905129983419936138554203635907337812190677174011997035614525693041213415800616975919143544529433299853469312953568148650551827732243106295163501445624877177478600798050963963799037507615109367599279371096695727318451953306448184012375623554436982197486794912723409118643111695751456928137420122303268886663
 . . . . . . . . . . . . . . . . . . . . [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)
							b6f951b0e8ab5dbd6004c7a33a66fb4287fe6eb7
 . . . . . . . . . . . . . . . . [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 (61 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'catalog.ncwlibraries.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ncwlibraries.aspendiscovery.org'
 . . . . . . . . . . . . . . . . [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)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e6f7f7a69000004030047304502202d8bc07552fa54eaa00585c743a9b7217e8b855f7bc3ddb42ebcd13fa41cf0bb022100fcd8c9757b7e64c1c2bbeb23e9a2fbfb6c678f882d6d23546884f5ed6a0b2844007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e6f7f82a30000040300483046022100d4bcd8d4576c9c229a8025b56a14add38f32f10a3f32c4e290757c59ce7960d3022100ddf2ff81564b2b8c45052d0eecd702d03bfdfbf5bd026505f63a11a3657eb298
 . . . . [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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