prooxysite.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3a:07:1c:4c:ed:56:f0:b2:ed:22:f9:05:59:e4:ef:c9:4f 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=prooxysite.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3a:07:1c:4c:ed:56:f0:b2:ed:22:f9:05:59:e4:ef:c9:4f
Serial Number (int): 281082686617244815298435927006149151279439
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3a:a9:c4:1e:92:b1:8f:79:c5:f1:2e:89:3d:05:ce:8c:4b:9f:fa:41
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 44:02:9b:ee:40:d5:aa:e8:ad:bf:64:a7:ff:4a:b5:6f:f5:49:49:df
Fingerprint (sha256): 3b:51:b8:0e:fa:af:27:e9:69:92:1e:e6:fd:a1:a9:0f:b8:a9:1e:b6:cc:7e:9c:1f:b0:db:28:c0:5e:ed:e0:0c

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 prooxysite.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for prooxysite.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

prooxysite.com

Other certificates including the domain name prooxysite.com

(limited to 100 certificates)
www.ballet-music.com
www.prooxysite.com
prooxysite.com
wrconcretefinisher.com
ycfco.com
www.prooxysite.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxzoEUVsjHv5BPy1ARPQa
T0iyIUyoV2xdq8pzbaDsD6XamPiuu/tWQd5OOxvDM569n0mHwfp3+M0gF1vbipu8
L6/FwawQGc8nozqwsE6789BO5l2Yg0dYPA3GVKoVFbqYPMG3k+Rz1u9kBWk7JZKC
e+wPlJe2MZoyma6CrLvXk9qHkalfO+gBKvuAuAJIgceX8cZ6TXUjaqroXSj2gWPZ
kaNHrCjedQC5K8p5QdI+c6Ta7imOQdPnDHSde0XYT4ss/mAddm3IeG1LddTrWO0h
KpGXmrqBqu5BVjCN0mCmqoOU1zb13nsQ8TY0o+O+61kMMjy3uQ4krUP6tye9Xc8L
WSR0Uoa1WCtRifkUYShhjwERDYaxomD5cbBDMhoLULkA5gMgCmru1SzD8mx1/RXd
teP/bjAHggbKdS8+YEbQEaUqyV5PUDE9VYh2uFwR/jXNFU7PdsAnBsmanIpYCAXA
+I7ZQJn7Ni2r2tv7jLlgsaGI0rbb2Z9llh7wewnFiRykZOuAbHAQmgP0gAmY74gp
iRXtbCumhIoMP13T0XOeJxtT1gl7my6BLtTTtCT3xWRYoUn7WJdviJF2ZCiWSHb2
jdD8f8A8iZbU3Kv44MjGAYaUfPLwu6qHyxVjUXsc3oBXKjTkxy71OzI/xwoPK7Xc
wSq5DF9S7tEkw7Eqw2+ZLTMCAwEAAQ==
-----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 281082686617244815298435927006149151279439
 . . . . . . . . [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 2020-01-11 08:36:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-10 08:36:22 +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 'prooxysite.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 812773732679871922878348317641521365601857936639721315907648519150131829993884646324952814274839673080146502490642551364805563552334884608140930281763729834355370377567828018066694837444544108421414169951734516712877414182913487043298483908476604211727831034756499369260909002588741167136900763468125164154646958433632167162599853552437081898805715072440283301336828216613441239925727302143222632194703805275184456539058146511317016567452560170259649222358158045154367054996646541813021251289791010141370568629466379532886354168762454605019285891458903048542619392160038725784747530962965429695128248094567687702650569632630344354540722525603428748945648088242482892707716393492541139384694320147881162268409631798800883960992250169352045380342378587932752892923256732628056500921334758197326903306473592106694709273744299971666410130089177251376231682528004730491980949753962859276024981719184928041943264714545292290326727754835932437028774429757771668622338570735160635783714100121438993450377997249061620285193854033903809411521806799516928205463229508961447040533514772214672420469836151313117012574872301858593914365652007015927098585890814514745403673870105214141595733970814884390890768468818598423016164391122933892198772019
 . . . . . . . . . . . . . . . . . . . . [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)
							3aa9c41e92b18f79c5f12e893d05ce8c4b9ffa41
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prooxysite.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f93f62f150000040300473045022054d462339d894913f117e34a5de2d6243a78222fe8d6028c8a6e9dcb2650dc7e0221008466400147764f1bd5a3404f6d82968a80e220e894e5a1b8dcb7ceb2a92ab1ec007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f93f62f06000004030046304402203f0a69d53ae70711403e55be0532fcd772faa50b586ad1c7f08cde9360c51f6402203d9ec27dca82304483a9daa763038a5cce09dce29c061e55dac9d4167fc0debd
 . . . . [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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