ifa.university

Issued by R3

About this certificate

This digital certificate with serial number 03:0c:ef:43:1b:b4:7b:81:83:3f:32:e2:ca:21:a1:53:90:d6 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=ifa.university

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0c:ef:43:1b:b4:7b:81:83:3f:32:e2:ca:21:a1:53:90:d6
Serial Number (int): 265738280135138470007104574019330293076182
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8b:06:f1:c0:14:0a:2a:30:6e:35:af:6d:ce:99:37:cb:52:30:b5:b8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 60:a8:2d:f9:84:a5:d0:87:17:98:0f:ec:d6:3d:74:44:66:80:64:a5
Fingerprint (sha256): 3c:00:cb:6c:b3:1c:4b:60:29:e2:00:9b:05:1d:57:58:98:65:02:d7:fd:e1:7e:59:01:73:dd:e5:90:cd:f7:ed

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

Revocation information

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

Check the revocation status for certificate ifa.university

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ifa.university

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

*.ifa.university
ifa.university

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Certificate

The complete raw certificate details for ifa.university in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6Wn9U10BahtJXXgBFSjb
p+DAN7xxtuur5xbBS1mqDbdfW7DYKWNH0OE+Jo/i03PHxywRC6GuDNRVVDj7tGw6
T5tlHCUj+9N6cethe4lAqEHON5Peigetkf5a0uicAWCSt2vYMlLs1rXJFs6VhqMa
L57AUKQuk3QpvoiU873IBORTjy2U9GOdcT7tWCrynLew/OuAMRhD6/5dBIjrcFM9
dg/G6CXDGEijb8eFZZ2Gkev1u8rxELCmyGEb8mxbcKcrMML3Rdf5nBEzAAgsgclA
t3io3I/fOod6rsJbuFbBNqHsZ3nB73qFyKGcuhxylwbH4AtraXNe4MO42HyxSGIT
3QIDAQAB
-----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 265738280135138470007104574019330293076182
 . . . . . . . . [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 2023-09-15 07:04:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-14 07:04:50 +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 'ifa.university'
 . . . . . . . . [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 29465790453768612280485159936893272916200704220985802101896471161914323491964454162048689788476833612437450906991838966307676129513688935985437579051750158080733789229297034315072093253380194459370365049625090701357741125223051652094309074722814988207935349895783909449015085117250891865084759830340965376987520939883742774992280593880475273724012241493684265914127889174276030312032459358888436135682367328601163480571366720876610900935941290184407217186025196105548074421110172875695670411728222063641812760586705663435164391217133407856105071239659226913204271811981029494958949953474577800748585564059217869018077
 . . . . . . . . . . . . . . . . . . . . [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)
							8b06f1c0140a2a306e35af6dce9937cb5230b5b8
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ifa.university'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ifa.university'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a97df09d1000004030046304402207bce9af92e382347dc7d285b9e3d7fcbfffec1205e3e6169b7c599ebf6738bc00220785825d767a3b0f1d4596d75ced008e0b15a79c77ec325a1575972835016c82f0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a97df09dd000004030047304502200764edf8922eed2abca516e7c7d7623d89f53af44668cd3f7a34dc8f5f183697022100e7465e5d714ef9f9eaaf0dbce9f521b676bf6fe9a6ff64291da339ea4061816c
 . . . . [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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