crl.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:0d:2b:53:cb:20:4e:3b:05:97:61:3b:9e:3f:37:e2:f0:a0 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=crl.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0d:2b:53:cb:20:4e:3b:05:97:61:3b:9e:3f:37:e2:f0:a0
Serial Number (int): 352930406381359858310286773821416304472224
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9a:fd:9c:5c:25:27:f7:3d:a7:63:fa:00:6a:0c:82:e1:98:41:d4:9a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9d:f4:f6:8e:99:49:c1:0c:a2:0c:41:63:79:c1:fa:cb:69:17:64:2a
Fingerprint (sha256): 46:a2:30:d6:92:e4:5d:46:07:ef:e3:1f:cf:d3:d2:db:02:c3:9f:1d:8a:c1:7b:42:50:76:91:27:ab:ac:b1:ce

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-----
MIIE6DCCA9CgAwIBAgISBA0rU8sgTjsFl2E7nj834vCgMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMTUxNjE3NDhaFw0yNDAzMTQxNjE3NDdaMBIxEDAOBgNVBAMT
B2NybC5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDAdKd6a/TB
nNxcCAyQFBfO3CM0cWsekizlrGvPOt2XDtP4ZkBAs+JS9JmYXdJxFDU2LvszvC++
PxYqASbqSaQgayoSvU3BU7/0z5t8vh4/LXLBXztbHtk5VUrglYkypy061ZnKcnPe
Nfrs11rT70H77j83hMBoulSfG7zeYxpMv6X/zJiKfSIi3HFndhEy8vygw70FaoWK
CEJKzN8ilG58YeOkR6h0ll7touLsNx4+/DJdlaL9qXVhB4J0WSumRyCTybKE/8A/
NCOTdt0oCXApAN29BHhjdv5swlWJsNZWtWqMvP7JuloAmI6Mo6an00MLotk8m6NW
wT6a9hHzLZlVAgMBAAGjggIWMIICEjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJr9
nFwlJ/c9p2P6AGoMguGYQdSaMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMB8GA1Ud
EQQYMBaCB2NybC5lZHWCC3d3dy5jcmwuZWR1MBMGA1UdIAQMMAowCAYGZ4EMAQIB
MIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHcAouK/1h7eLy8HoNZObTen3GVDsMa1
LqLat4r4mm31F9gAAAGMbnv7fgAABAMASDBGAiEA28KbhPfS5lG1MRMRnskvBjAQ
NdRSsbqQdwcHyCqhbVcCIQC1SrlFCRGaPqpa/Duwsnxw5OzAwDWSkyfBW3qUyAH+
cQB1AO7N0GTV2xrOxVy3nbTNE6Iyh0Z8vOzew1FIWUZxH7WbAAABjG57+7EAAAQD
AEYwRAIgDRs6B6QYmWd7h+FmSWa+ZyuHYfCOe6AQlizgH4l/3VMCIFj+Sb4NV5Y2
F7I/Kx3+PwT+5zxbL5dya6KLK0bUDqSaMA0GCSqGSIb3DQEBCwUAA4IBAQA/Ctlh
9tePCVWIQlgLsk9M3dHXCrk10ak1NhOzedl+JVU/Sew2ZFvojeRm0hhSdTN9WoBL
jlmEWmk9i+GItERrpV1Zxl2o5F4HT7hmHs33jhDkAsbKIXA9Fw3vefrc+gnUEm0P
cnEuXNSSVMgn9JgkIerssmxDy3/I8JJZQs0bhnwSxHFsd+23L9e4SeqAUEYb5ulL
sRz56NiIgE5aQ6tc+6gle1ListNyyfkZ6roy0vC6tKTOTwQG0CUY65N/e1qUuc6e
PO7zzwzU0unInXCRXUjE58SSq7JOt8zIkGDKiHh/LuPDyBBci8zjehUJU2MiVFYJ
zz/qP79DASG+mtYf
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwHSnemv0wZzcXAgMkBQX
ztwjNHFrHpIs5axrzzrdlw7T+GZAQLPiUvSZmF3ScRQ1Ni77M7wvvj8WKgEm6kmk
IGsqEr1NwVO/9M+bfL4ePy1ywV87Wx7ZOVVK4JWJMqctOtWZynJz3jX67Nda0+9B
++4/N4TAaLpUnxu83mMaTL+l/8yYin0iItxxZ3YRMvL8oMO9BWqFighCSszfIpRu
fGHjpEeodJZe7aLi7DcePvwyXZWi/al1YQeCdFkrpkcgk8myhP/APzQjk3bdKAlw
KQDdvQR4Y3b+bMJVibDWVrVqjLz+ybpaAJiOjKOmp9NDC6LZPJujVsE+mvYR8y2Z
VQIDAQAB
-----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 352930406381359858310286773821416304472224
 . . . . . . . . [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 2023-12-15 16:17:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-14 16:17:47 +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 24295278889261962340330570593076765092564594026629510040566849443941721212705222905469227342749655760761925628146467776896918161669177237506061638055976839317974540229085566909601290432792766688540743857041618507082302908209321494362376641574366690514136936988276436757394515726000349835912320682069511736058985263380188984941851626522348036976567257123937402752130277851931257557691396509910741392947845349707974538616547869499133806197294376341097227039876415788275764051935080580783290065738507278734728703160147978353048962982659390140744073959855669537306275821116832669307766091573181749448001568724078979553621
 . . . . . . . . . . . . . . . . . . . . [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)
							9afd9c5c2527f73da763fa006a0c82e19841d49a
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c6e7bfb7e0000040300483046022100dbc29b84f7d2e651b53113119ec92f06301035d452b1ba90770707c82aa16d57022100b54ab94509119a3eaa5afc3bb0b27c70e4ecc0c035929327c15b7a94c801fe71007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c6e7bfbb1000004030046304402200d1b3a07a41899677b87e1664966be672b8761f08e7ba010962ce01f897fdd53022058fe49be0d57963617b23f2b1dfe3f04fee73c5b2f97726ba28b2b46d40ea49a
 . . . . [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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