www.collegi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d9:11:ce:e9:91:6c:87:9a:5e:19:d5:32:a0:f2:c0:d4:7f was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.collegi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d9:11:ce:e9:91:6c:87:9a:5e:19:d5:32:a0:f2:c0:d4:7f
Serial Number (int): 335201802643528697786189015050236454818943
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ad:79:dc:0d:32:91:76:c4:b4:d8:08:86:83:87:9c:c3:3b:44:56:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c4:9b:7e:9c:fa:81:ce:b1:0a:d5:39:b1:75:f8:4c:8f:5a:a9:41:54
Fingerprint (sha256): f2:bf:e7:8c:8f:3e:2b:91:8f:38:ab:1d:d1:a9:84:a6:01:d6:fb:ee:9f:c7:8a:14:1a:0a:45:00:05:3a:5a:0f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.collegi.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.collegi.com

Public Key Algorithm

RSA

Key Size

4096

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

www.collegi.com

Other certificates including the domain name collegi.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.collegi.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGVjCCBT6gAwIBAgISA9kRzumRbIeaXhnVMqDywNR/MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMzAwMzU0NTFaFw0y
MDA0MjkwMzU0NTFaMBoxGDAWBgNVBAMTD3d3dy5jb2xsZWdpLmNvbTCCAiIwDQYJ
KoZIhvcNAQEBBQADggIPADCCAgoCggIBANUNo6VwjRLg3PoGpw1ffUvlycUkGsji
bW0bwNEH7GNOEMvSjN0mmAQ+zvi0SiguLJ/dCEWauFz3ZeVOcoA9PfX7IMzTNDmX
+RT/UOC2ahKMR35ewjEK33prZ7SXyhsR0lkQXp8vZaMnTI3YqooSqd/22a4GE6Bm
29bPrAfXErG5qh7AMCSnxN/FfEL0V1xMNtpJdpnwYr56d+5fYby17C9zXX7xtnSj
xQICO7Ag7jFXcqi5qf4jQvnqJZ02OBGnxc7jTkvLOWMEb6Q/1ylFG8espOnPiW4F
fXf2dABJSaOKV23Sc30rkQmCExEWNJ24IAeS50klyyYL8ZgKNh+LbWAeTACS1BsS
sU1Fr1rPVYVNtie//ytNhSyFuXW8py5loGazDTarJeQGB7sjs+MJNmuysOcwIPuN
jnrGgXPFYUcRVb7Yai2/4NLdhMNHdYRMmam02uaK4wyIqhv9o0x5YvbpkTVIEYS/
EKtCV5cFPqPLYYiZfA+dwtYWZwZOruEYqDg/hl1b8+vbhPtx4C04GQ50j6yGmo56
Uf5wledJMx7z9V1r531Fjpc9qdlyp30TQIBfBU+CqI39LCTVgDh+al/l/VxDmtTg
BAhGvuIZhWKFzwFzjGE4x9AHlqX3OVEDXdNvyKq8uExWGu/jiu5QmNpSaTX7vMwq
VruNvcdY3FsXAgMBAAGjggJkMIICYDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFK15
3A0ykXbEtNgIhoOHnMM7RFYsMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z
qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPd3d3LmNvbGxlZ2kuY29t
MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH
AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB
9QSB8gDwAHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFv9M1H
KQAABAMARzBFAiA6IEa2b4Sc2n0yenihqjxp599HHDJ7KYejzNcYNxgU0QIhAOtC
mLLr6cXQq4btUX8ksftk7OHtRw7B3+0m+glmzmk1AHYAB7dcG+V9aP/xsMYdIxXH
uuZXfFeUt2ruvGE6GmnTohwAAAFv9M1HUgAABAMARzBFAiEAkfZ4qlTsxOouHTZk
6zQqmk/CMi/10Vm3B1dk39ovlOUCIF3L0PASg191dfCQJNlAC9FofEMoQpajxRi9
7fUMU926MA0GCSqGSIb3DQEBCwUAA4IBAQBzplPoIQDx7o/1J3YjoubiibQAKUJC
8G+ybhW+K8ArOstFUyMVomk0QTn0FdYWqSdL0n/zLFVg/RN5VD2wn462+PDC209y
QTxNqWWVN6w5YHXgZkf5bj7akRjgsfFTIbHGtN+JciLEj9Y2xOuMPmDcBkP4NHjk
Cfi1TUn3sFHmpAzUrpH8wbt6xlvOGTjlEYbX8LOd3ZRZP0EnfPZwFdGA9M/bfBpw
qe+Kr4CpDwiTGJG6FFOZWE0DYNPKyqcaGXwwoLao/TV5u691Wx3iApGTtUPRj+so
0HqmR+cror1+bmiW7a1j9Hw25LAUKf/7f7PxHVLYWWxWtYpVSQfcpU7q
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 335201802643528697786189015050236454818943
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-30 03:54:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-29 03:54:51 +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.collegi.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 869181542962681291697808173754812463127799531172044168052493627051523615959898425770079939301335292538555319101330281378513133142018482200638892776112348775531287292321966593007421566103044227573563663437123728860152993473361123009003244165504087313713743821786221131706240608530486345544389665353850332801112315481630174609666622025707088769234745049505989242685877264228461056055442293554935728306226432710851331533992263598669551307891413108854920371354521697479391912718473034225728261615093883549690847544030117154521611938090030792366994862050746215826743344613299875168254916750644582592520025703456201126495972178956517826995088647187651484203057095290240228239157340166782074579727767660568040145764398431343384226760577391587240132608830286444282518185019227524911119695268215626537047796996984214388793145745505979697849550621061191570942931293177520838942089156449350354764735604584702560048959408049340136401170557813071789769702977674120766797691952307163181817717009953007737688982779306676212076568177412930019561264804340558960503598013467861395363175861247393240676181883582544494380692989960744076813615774381863690614553186773775313852230672097695412018919005420504457380690263469294217190934682103464574714665751
 . . . . . . . . . . . . . . . . . . . . [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)
							ad79dc0d329176c4b4d8088683879cc33b44562c
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.collegi.com'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ff4cd4729000004030047304502203a2046b66f849cda7d327a78a1aa3c69e7df471c327b2987a3ccd718371814d1022100eb4298b2ebe9c5d0ab86ed517f24b1fb64ece1ed470ec1dfed26fa0966ce693500760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ff4cd4752000004030047304502210091f678aa54ecc4ea2e1d3664eb342a9a4fc2322ff5d159b7075764dfda2f94e502205dcbd0f012835f7575f09024d9400bd1687c43284296a3c518bdedf50c53ddba
 . . . . [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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