www.lafchicago.org

Issued by R3

About this certificate

This digital certificate with serial number 03:a5:00:b2:28:90:cb:10:47:30:ad:25:17:5c:76:d7:43:33 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.lafchicago.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a5:00:b2:28:90:cb:10:47:30:ad:25:17:5c:76:d7:43:33
Serial Number (int): 317484373388844490294760056019876115333939
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 01:f2:4c:ee:53:dd:11:87:d5:86:43:e7:ab:e8:7e:c6:df:97:cc:b9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 47:e2:ba:c3:e6:78:24:71:56:21:e0:9c:7f:79:4c:da:35:44:11:cd
Fingerprint (sha256): 5b:87:62:70:21:7a:2a:81:18:72:32:1a:e6:55:09:e2:f5:e5:db:29:a9:03:ab:72:d9:63:f4:38:1a:fb:26:7e

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

Revocation information

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

Check the revocation status for certificate www.lafchicago.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.lafchicago.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

lafchicago.org
www.lafchicago.org

Other certificates including the domain name lafchicago.org

(limited to 100 certificates)
officeonlineserver.lafchicago.org
officewebapps.ad.lafchicago.org
lafchicago.org
lync.lafchicago.org
webremote.lafchicago.org
UC-CUCM-01-ms.ad.lafchicago.org
UC-UCXN-01-ms.ad.lafchicago.org
lafchicago.org
lafchicago.org
uc-exp-e01.ad.lafchicago.org
lync.lafchicago.org
www.lafchicago.org
uc-exp-c01.ad.lafchicago.org
lafchicago.org
officeonlineserver.lafchicago.org
file.lafchicago.org
file.lafchicago.org
lync.lafchicago.org
UC-UCCX-02.ad.lafchicago.org
lafchicago.org
mail.lafchicago.org
uc-exp-e01.ad.lafchicago.org
lafchicago.org
file.lafchicago.org
file.lafchicago.org
UC-CUCM-01-ms.ad.lafchicago.org
lafchicago.org
lafchicago.org
lafchicago.org
lafchicago.org
file.lafchicago.org
www.lafchicago.org
mail.lafchicago.org
file.lafchicago.org
uc-exp-c01.ad.lafchicago.org
mail1.ad.lafchicago.org
mail.lafchicago.org
file.lafchicago.org
file.lafchicago.org
file.lafchicago.org
lafchicago.org
lafchicago.org
mail.lafchicago.org
mail1.ad.lafchicago.org
lafchicago.org
mail.lafchicago.org
lafchicago.org
lync.lafchicago.org
mail.lafchicago.org
mail1.lafchicago.org
mail.lafchicago.org
mail.lafchicago.org
lafchicago.org
officeonlineserver.lafchicago.org
mail.lafchicago.org
lafchicago.org
mail.lafchicago.org
lync.ad.lafchicago.org
UC-UCXN-01-ms.ad.lafchicago.org
lafchicago.org
lafchicago.org
file.lafchicago.org
lafchicago.org
UC-UCCX-01.ad.lafchicago.org
file.lafchicago.org
lafchicago.org
mail1.lafchicago.org
mail.lafchicago.org
lync.lafchicago.org
lafchicago.org
mail1.ad.lafchicago.org
lafpoint.lafchicago.org
lync.ad.lafchicago.org
mail2.lafchicago.org
mail.lafchicago.org
UC-UCCX-01.ad.lafchicago.org
file.lafchicago.org
lync.lafchicago.org
lafchicago.org
lync.ad.lafchicago.org
mail.lafchicago.org
lafchicago.org
UC-UCCX-02.ad.lafchicago.org
lafchicago.org
mail.lafchicago.org
lafchicago.org
lync.lafchicago.org
officeonlineserver.ad.lafchicago.org
www.lafchicago.org

Certificate

The complete raw certificate details for www.lafchicago.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZqoTGUZ6HUElNeNsq1S
ZBGwd2cS9rFGq2UdG+j911ApjpZrd/xhMi/YtyBixU70V/9uqN2OramkAGfoClPi
4dJ6CEuijmSpj2Xx3sD3sjQF04uSyCg1b0lOi1nq9Lw1YPFEpHPxg10LVKdveogO
fiqrmHbtNI+GO3teNdh5ysH/xT9QoPbRfvL0hjFxdlIfPA8Hal3yWw2YCs6ikvbz
2UIrgaxYNAOMPjN2mzFXdrbMQ5wH3PlnsS6rxNHA4eqpc5bOBt/nQAbaEYKvgZJI
bL8Am1QRGy/ZCafc63qV8Tk7ERRwxHtZYrmq26jt3PkVB4JD4yfLO7YajCKQS4UB
nQIDAQAB
-----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 317484373388844490294760056019876115333939
 . . . . . . . . [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 2024-01-09 08:11:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-08 08:11:13 +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.lafchicago.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 24945210492405933418011907868995953971139223362651317554689774363963180460138326725936493501990264653008198005010006603097569654213277217251857822516638448583812960913544962994225211668202899570645939615553208889501451454062038354499368530584836997130602735772870426904906209931671763801955765855506197729963467591870809042383144791620544105507885837197718113842945418725836109105907739074748030359248324498200807463093645662449005851673574868327648904107070970343810041472788197217935296590074443612028120186247294853783832664709963334026580738172553235734621474337871316031870510981333777339669001336760990836261277
 . . . . . . . . . . . . . . . . . . . . [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)
							01f24cee53dd1187d58643e7abe87ec6df97ccb9
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lafchicago.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lafchicago.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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ced7d7fa00000040300483046022100a4c7bbd4c7f03a03817580defd1ef82fe910976440bfc22ac76798eb07e4f54b022100818f14fb4848ed5e2ed099e1a66b46977eb2e07398fe338cf9ac596aada1593e007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ced7d7fa60000040300473045022032aebcbdd23b11823978b8a6bfb172c2645b6bff3d0c3687b5997b2522af1f8d022100f654293d7b616aa6c546bd6b9b451f6be42abf7faf7733e73281255683db9770
 . . . . [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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