apop.library.cofc.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:41:9c:d8:94:b6:a2:86:96:b0:89:be:0b:00:b3:f9:bc:75 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=apop.library.cofc.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:41:9c:d8:94:b6:a2:86:96:b0:89:be:0b:00:b3:f9:bc:75
Serial Number (int): 283663695764872076661237547697080861572213
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9c:d4:0c:b6:a4:9a:91:85:dd:59:60:b0:42:cb:bb:a0:2a:1f:bd:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fd:53:52:34:60:57:06:1d:67:27:d8:fd:d2:50:66:34:70:99:f1:28
Fingerprint (sha256): 10:be:7f:07:73:4b:bc:04:58:d7:28:9b:b5:72:bc:49:a5:5c:4f:82:51:78:c2:b7:11:5c:01:29:13:3b:a3:d0

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

Revocation information

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

Check the revocation status for certificate apop.library.cofc.edu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for apop.library.cofc.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

apop.library.cofc.edu
mcat.library.cofc.edu

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Certificate

The complete raw certificate details for apop.library.cofc.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFDTCCA/WgAwIBAgISA0Gc2JS2ooaWsIm+CwCz+bx1MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMTQxMzMzMTBaFw0yNDAzMTMxMzMzMDlaMCAxHjAcBgNVBAMT
FWFwb3AubGlicmFyeS5jb2ZjLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBAMq9THlPZNwnXuz3PdUrVr+1QXkP2SaZcnovtu/OFXRYQRZoUElnn5wk
D+31mA8zl++afQP3MnAuXJ7J+QqL/+ItSINgAlBMhwqZPBfctmP7ID/Xw7mkDrQp
2rUSrI4jJgu2Z0xJAdmpNMNtp1jsG9HGmbxZn4ZGw2TcjMHQrA0hTvywrh11qRKq
fS/hjXylaa+P5kc6q2fDRCoaUUFwPUXpYtMzDUKsTzXY9dIWLckRbgsyYVOORCGL
CxF3BkEWC//dMacws9ZGVg0aDULuMlOt6NaKjaY/lAksdhgo7M4MARPHjIgP7Bvr
05fsWc2OHUQdj0mM6riqrA5ov5Zz+iMCAwEAAaOCAi0wggIpMA4GA1UdDwEB/wQE
AwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIw
ADAdBgNVHQ4EFgQUnNQMtqSakYXdWWCwQsu7oCofvcswHwYDVR0jBBgwFoAUFC6z
F7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVo
dHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxl
bmNyLm9yZy8wNwYDVR0RBDAwLoIVYXBvcC5saWJyYXJ5LmNvZmMuZWR1ghVtY2F0
LmxpYnJhcnkuY29mYy5lZHUwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEDBgorBgEE
AdZ5AgQCBIH0BIHxAO8AdQDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1
mwAAAYxovug6AAAEAwBGMEQCIGB0NrN55zgTe4ZXtK0gX8ZahesKz4w1u2g1AeYM
GzuAAiBSIxsKZ7TzjBqczJCp/enpmGQNdb2xynEaXxpEckZLNwB2ACnQOhu2dKpx
HNMDW2VXwU+Kp4tP6DiUSeykU/lEvSRoAAABjGi+6akAAAQDAEcwRQIgcn/P7UW3
brw/xUaEAhuKbddpEcQTavEvMeJ2zp66+YwCIQCDdJR2NDhs4YldTRXw+jxAKVZS
m1e54pv/4jDcI0Jc5DANBgkqhkiG9w0BAQsFAAOCAQEAuAZyA9KHQhVkLJvBgjte
aIy9ACvWjqLyAgZk/5UaMiKx/n7lqdpB1C86QDaJ4IDzT6dppUVSyyLXVftIdh+q
qsMYBFMOILuuRLzZ7sBbOLEfoSW0/VGqS++P42JpWBYPVNqwzvdi3DrMLlkanUcK
tWpiCnonke8DJQgLmZYd07hMc6uzwWp0sBYx8ROAb/BD7JFJJqJ+ChemnYCfDzHY
qjfaqRBHQxaE4sbgMA3RAusvwt5L49wWFNMNtpYIIKJLGKqUahwj1EAMdLZwDWrL
tO8aA/DMfbz+dK9vMy+GO/7qGEVtVMeE8reanwox2nIF1Tp5Ww9JVfIIM+I+nejN
5Q==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyr1MeU9k3Cde7Pc91StW
v7VBeQ/ZJplyei+2784VdFhBFmhQSWefnCQP7fWYDzOX75p9A/cycC5cnsn5Cov/
4i1Ig2ACUEyHCpk8F9y2Y/sgP9fDuaQOtCnatRKsjiMmC7ZnTEkB2ak0w22nWOwb
0caZvFmfhkbDZNyMwdCsDSFO/LCuHXWpEqp9L+GNfKVpr4/mRzqrZ8NEKhpRQXA9
Reli0zMNQqxPNdj10hYtyRFuCzJhU45EIYsLEXcGQRYL/90xpzCz1kZWDRoNQu4y
U63o1oqNpj+UCSx2GCjszgwBE8eMiA/sG+vTl+xZzY4dRB2PSYzquKqsDmi/lnP6
IwIDAQAB
-----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 283663695764872076661237547697080861572213
 . . . . . . . . [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 2023-12-14 13:33:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-13 13:33:09 +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 'apop.library.cofc.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 25593484284035430929685066812744833669564184994132356403059172342796555867561316354559768190220424818650070874426557294435555129985273857113147051605861973727864726204612619303686624019166687511624259219750674669003160982770941977531903829939975545381708372958635055382182898281921866103676449450996325845323720557479140633002924506476110620121369850255551749087315346856611768103868052177893182692989078677221040876624706049526273627704008904313975819683589829216269419197652393095622633207382608006450310264333808365638288678261428537179610432462908436943184302903899265203881266908640588165906996407545241107954211
 . . . . . . . . . . . . . . . . . . . . [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)
							9cd40cb6a49a9185dd5960b042cbbba02a1fbdcb
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'apop.library.cofc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mcat.library.cofc.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)
							00ef007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c68bee83a00000403004630440220607436b379e738137b8657b4ad205fc65a85eb0acf8c35bb683501e60c1b3b80022052231b0a67b4f38c1a9ccc90a9fde9e998640d75bdb1ca711a5f1a4472464b3700760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c68bee9a900000403004730450220727fcfed45b76ebc3fc54684021b8a6dd76911c4136af12f31e276ce9ebaf98c0221008374947634386ce1895d4d15f0fa3c402956529b57b9e29bffe230dc23425ce4
 . . . . [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)
		00b8067203d2874215642c9bc1823b5e688cbd002bd68ea2f2020664ff951a3222b1fe7ee5a9da41d42f3a403689e080f34fa769a54552cb22d755fb48761faaaac31804530e20bbae44bcd9eec05b38b11fa125b4fd51aa4bef8fe3626958160f54dab0cef762dc3acc2e591a9d470ab56a620a7a2791ef0325080b99961dd3b84c73abb3c16a74b01631f113806ff043ec914926a27e0a17a69d809f0f31d8aa37daa91047431684e2c6e0300dd102eb2fc2de4be3dc1614d30db6960820a24b18aa946a1c23d4400c74b6700d6acbb4ef1a03f0cc7dbcfe74af6f332f863bfeea18456d54c784f2b79a9f0a31da7205d53a795b0f4955f20833e23e9de8cde5