crl.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:a2:1c:66:a4:a4:53:2d:a8:c6:47:9c:f4:16:96:59:71:fe 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=crl.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:a2:1c:66:a4:a4:53:2d:a8:c6:47:9c:f4:16:96:59:71:fe
Serial Number (int): 403612638505728901970127241030443762020862
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 40:15:87:f2:6c:fe:44:32:65:ce:c4:c6:1b:2c:ff:e5:cc:6b:90:04
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fb:64:7c:c3:3f:ef:cd:ed:ec:73:75:20:fb:3a:40:4f:f2:d4:48:b9
Fingerprint (sha256): 59:8a:09:bb:70:25:cb:3d:d6:3e:b1:49:f1:d7:e9:a0:37:46:88:c8:b1:12:8b:45:11:3e:b0:e8:76:ea:e8:f5

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

Revocation information

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

Check the revocation status for certificate crl.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crl.edu

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

crl.edu
www.crl.edu

Other certificates including the domain name crl.edu

(limited to 100 certificates)
streetfilms.org
mail.crl.edu
gcollections.crl.edu
streetfilms.org
mylogin.crl.edu
www.crl.edu
mail.crl.edu
trailguides.crl.edu
edesiderata.crl.edu
trailguides.crl.edu
dds.crl.edu
trailguides.crl.edu
mail.crl.edu
streetfilms.org
streetfilms.org
mylogin.crl.edu
streetfilms.org
liblicense.crl.edu
trailguides.crl.edu
trailguides.crl.edu
liblicense.crl.edu
*.crl.edu
www-apps.crl.edu
www.crl.edu
illiad.crl.edu
workspace.crl.edu
crl.edu
*.crl.edu
afrinul.crl.edu
*.crl.edu
*.crl.edu
trailguides.crl.edu
mail.crl.edu
crl.edu
mail.crl.edu
edesiderata.crl.edu
trailguides.crl.edu
gcollections.crl.edu
trailguides.crl.edu
workspace.crl.edu
crl.edu
edesiderata.crl.edu
gcollections.crl.edu
crl.edu
streetfilms.org
streetfilms.org
mail.crl.edu
*.crl.edu
streetfilms.org
crl.edu
www.crl.edu
edesiderata.crl.edu
crl.edu
edesiderata.crl.edu
crl.edu
www-apps.crl.edu
dds.crl.edu
dds.crl.edu
adat.crl.edu
trailguides.crl.edu
www.crl.edu
dds.crl.edu
trailguides.crl.edu
mail.crl.edu
*.crl.edu
crl.edu
illiad.crl.edu
dds.crl.edu
*.crl.edu
edesiderata.crl.edu
trailguides.crl.edu
www.crl.edu
crl.edu
mail.crl.edu
edesiderata.crl.edu
trailguides.crl.edu
streetfilms.org
trailguides.crl.edu
edesiderata.crl.edu
edesiderata.crl.edu
*.crl.edu
liblicense.crl.edu

Certificate

The complete raw certificate details for crl.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmN15oeaas7UjHG17MrMh
Q0Wh+CPXZQe7WRP47PAWoedjUK9tGOY6MP7G6UG5NMWPd73SGDn2LBnc/U/GcWL3
mGtC5M47KhkZs2HbGImTA7SJiw5JueIw8enznhwgwDzmBleAG0Qg9s/RSFmw0e7y
4CqxOa6flamd0weNup4ktrv5IAFkwb5SNCMlFNWXyu4cJCUtUdnEX0lpTPSIK/uT
6voCDiEdXxnl15TTS2A8OYkhGyhvGxL9hYDS2uvR53Je7hbuCqGkUZaSed2/r42M
IqHw1nN4GC0lGGISh2CQvH9gtOb6LYHTwAD2yty1t4gTMplxLHFDdwPpa2d+RFkn
/wIDAQAB
-----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 403612638505728901970127241030443762020862
 . . . . . . . . [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 2024-04-13 14:29:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-12 14:29:04 +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 'crl.edu'
 . . . . . . . . [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 19297435810238244716322818920723853065064000181636968677920963740423679467601771166356730853590795188821373840577059371332747157619118677845787444284776264710750238633761123429788490529324370144620058406544174541958557396000558843607264593798701877777042297312401561008527069122385489941178730955074494395103590191520659337941993973632303456617273170090303164783362414637609442992705096806592110449151380255208978491086244425284950374539928179459907084901982405264983978155263287133961632659384813749624645833985516414570607834761519187920636763888682777225455843864929898099360676518408971116553929404277897094047743
 . . . . . . . . . . . . . . . . . . . . [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)
							401587f26cfe443265cec4c61b2cffe5cc6b9004
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crl.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crl.edu'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ed813968a0000040300463044022078e809d37a083237af0ca7be8dd5053407fa92400b80a5afed5365009bc5443602204bdb5312eaf6089d325776e7cd7e70558dc7c31add82954a6baa9c6463d9669200760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ed81396b500000403004730450220764dee5d0fe2a14be005b1b4688e5146c3f5117e7552f7ba73eac1c78884f5e5022100d59e3bbb509060e3d9696f838cb1321b51a09a02f7594d0c67471afb80cb9544
 . . . . [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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