ucyalumni.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:13:55:25:19:aa:ac:12:78:ad:9b:bf:05:a5:36:0c:52:dc 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=ucyalumni.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:13:55:25:19:aa:ac:12:78:ad:9b:bf:05:a5:36:0c:52:dc
Serial Number (int): 267915399781986335854452105046131896767196
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9b:dc:3d:9e:c3:88:1f:e3:e6:35:be:3f:c2:11:86:03:8a:46:24:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a9:0d:76:c7:07:fe:6e:4c:55:9e:98:31:d0:50:93:90:5a:bf:36:6d
Fingerprint (sha256): c8:a0:60:27:17:8b:e5:83:79:6b:7f:59:6c:7b:e2:15:c1:96:01:53:af:2d:60:c8:18:58:7c:34:66:06:4e:14

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 ucyalumni.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ucyalumni.com

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

ucyalumni.com
www.ucyalumni.com

Other certificates including the domain name ucyalumni.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAibN1l8x7WeNBnOnb1D9q
mkVhbdnBIIL9/aPI+CWTKxA3fGEnCOQMeaTzI3BCtfI5e4ypnvoEJUAjvX2oPo73
k1ByYrpdURXYsZgOROPwZlz1Xu6Ko2fqdnmAbegoHjpvs47hIhxuZMHw4WB85MUJ
kH+dQp7jZ482ZGphRBEx7l2/5ALFgjPbFGcJM9vqh2goPbFR115OzZ7kHnGAX6tX
61Iv5L/g9hxPcoLXHB/BPGzyIdClCkARH6j+CSSldWc7P1dRkVgFjZsF4yfRoCqb
qqAUgMR62CYcuVU/cd1NNqmRowAFm79WvCH5rzDEQIej8PglK+8zp7hicr/sKZfD
hwIDAQAB
-----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 267915399781986335854452105046131896767196
 . . . . . . . . [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 2019-10-24 01:31:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-22 01:31:34 +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 'ucyalumni.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 17383142482852514526445016611488237179269993515336342519243250851002905984334307290603688637328440476614041223034591352255133319610680646169734680410404693923375459064053736064574911535427086529255847298037775246165888526492482587811419194159092402744996919644463297840005125436355109070888159795256750349463044374883360820758783104433199030423249226207224276837910865470565771452649273131523221849045914963198302847623212928973061606347146832138951948195491606910268420623490443025500016372926263116412699526117993295959769088325473539583820314306242687427791946833681541946881288816583907681803037391671917503038343
 . . . . . . . . . . . . . . . . . . . . [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)
							9bdc3d9ec3881fe3e635be3fc21186038a4624dd
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ucyalumni.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ucyalumni.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)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016dfb9ae1b60000040300473045022100a27323511469a13c6588c5d9ae25a1ce6c166f21e6b9c48f547ba718682e0bbf0220340e6e4dcb6ab4dc137306d59e84b079129a956865a15d0c644fc970502e44e90076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dfb9ae380000004030047304502206f542fd76497fae73c68d04b0ffd4b41586ab592663a8421083c906057cf6f23022100f9a149e3708885bb41f90207660b1bc126569b28fdfe783feef9b9e2a80da43b
 . . . . [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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