cualumni.network

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:59:85:e4:10:22:60:bd:4f:a6:2e:a5:85:99:ef:fa:45:e8 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cualumni.network

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:59:85:e4:10:22:60:bd:4f:a6:2e:a5:85:99:ef:fa:45:e8
Serial Number (int): 291799959945609653547874493316584680605160
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 54:fb:53:77:be:96:88:73:f0:6a:0e:82:e4:a4:72:d1:b1:d1:48:b9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 04:8f:9f:b4:9c:f7:d8:94:29:25:a1:a2:f9:60:f4:22:5b:5b:6c:00
Fingerprint (sha256): a4:c2:7e:0b:45:2a:d1:2e:87:b8:2c:ef:91:61:2d:95:6a:d0:8a:a3:fd:7c:c6:c3:57:65:82:fa:d6:c6:8c:79

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 cualumni.network

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cualumni.network

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

cualumni.network
www.cualumni.network

Other certificates including the domain name cualumni.network

(limited to 100 certificates)

Certificate

The complete raw certificate details for cualumni.network in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1AJJC6liBYvsMJlnZpcZ
rKovnNK4AeQ/QzY0C0JZ0/80CkJmaCElGz02eETnL8YSPwItFTZDpfLe4xFyLuMf
7nSLJGF5U4ETUdxO1HK9y7rEhlE6W8E7R6wh6hDKgQY/MEMjHbh4faPdvjRhUuiq
J1BEm4vVXxRq59DoNcyeL8ubmaVwzZXafhTYJhp9G1OE0JawL5p0M2An2LlK/xIb
NIEk4aY5CAHRQrqHSoZ1tYU3RjZpwP5hlXmkOW8Yxy5b+yG2l/JKU5IwHwmsvbpP
injw5LyFQWk/+6ItVwsEzQjlDreZaZScJKiTi1pA6RQLfVLYO4cwDjsA+i4sXEO1
HQIDAQAB
-----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 291799959945609653547874493316584680605160
 . . . . . . . . [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 2020-02-18 05:23:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 05:23:13 +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 'cualumni.network'
 . . . . . . . . [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 26763647593096481810692435370315781267625598451331467714831427586702776300009172067527568130516786693067444100130011711455384674445963272491193343676514558748075729119007894941529317118093497579398144437445653429252906421465964953360681142018460551857538571617316261289363172744818036425341845575464768170183747695657624063462387248275927964794866650669168139125166038413626364210407632304909411165604484361186583045883847636537926990090607391192830389751073568408096398703776220828215092393381987854202662859747997430998190169535919162722451387448113011500149926179788180302604452550572358593595739753866860427457821
 . . . . . . . . . . . . . . . . . . . . [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)
							54fb5377be968873f06a0e82e4a472d1b1d148b9
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cualumni.network'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cualumni.network'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017056f704570000040300473045022100bedd53af0e759e1d3a6dd3dcbfc6c554a5b026a464f57faa5ca029be0254aeb402206798d1dceaad380193a266de143c3fdddc70c6325ed3ec16337b1ba48292ac2b0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017056f7048a0000040300483046022100db6b3264e1afa2a183a2d0f9f560ae0bbed19d44f57a82b64d4fef680594ff11022100e6d482579eeae65f0eb55a9d5dd45a2b0a990faadf20577757f78e8388e4323f
 . . . . [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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