www.cardioprogress.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ff:e1:4c:2b:90:fd:28:2c:ec:a0:b4:d2:72:b6:44:0f:f5 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.cardioprogress.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ff:e1:4c:2b:90:fd:28:2c:ec:a0:b4:d2:72:b6:44:0f:f5
Serial Number (int): 348408333157363719477077962999331316568053
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a5:a7:08:03:3a:8d:11:c5:2c:08:18:f4:44:53:32:31:51:92:f5:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 54:ab:d8:d0:ae:28:0a:59:45:5e:f0:25:c4:0a:8a:9f:94:d5:e0:0d
Fingerprint (sha256): fd:d0:57:d8:10:73:ad:1a:59:c0:83:5a:e0:a2:59:8b:b0:b9:e9:57:c7:73:7d:97:b6:41:da:4b:40:f1:6c:d6

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.cardioprogress.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cardioprogress.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.cardioprogress.com

Other certificates including the domain name cardioprogress.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 348408333157363719477077962999331316568053
 . . . . . . . . [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 2019-10-13 02:40:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 02:40:29 +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.cardioprogress.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 942107696831110857415037471104975927462668832704802736696493651910603224538214931657808950718452730389339111571895931404903966351952227744207506164898307256427021656786113692548327099161192980379761559203079153351095957618147825478761645313562628330011689812720664677856523254230790311375943008437102417694247013765552030689461907819057781024181008204715493151821621680261629874815917619149142918391167085808966949292166015048683052268752551205386923418428965969680397719217113891302177535482424493760557912929369711025882639042559302134008269065254448588592229408784332383050174068733403306918671392170506612507008467397804926758716789247428318737494240584896637861307516574532410491959409708175871253215762599563774084492698209360044653147828007120881715558649631962320951103725465738999813520608487728953428999357300738725088160446205797234103096667093714622247031545250862279341573022265539012827068174424574775606743440040700854691638864362029449077109543540511457768134608121587913243696779131668915924672417177016301167984946760202347483928231243067213186020427994384923912745931069462576568852383115212347759096146757671615144631066287115186095132628616648230725560744911280986644930913553211903952529562105472629356254778087
 . . . . . . . . . . . . . . . . . . . . [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)
							a5a708033a8d11c52c0818f4445332315192f55c
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cardioprogress.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)
							00ef007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc33407df0000040300473045022100eb998d71c110129e6b2ff4e13dd7b95f2f86cb06fa7e8f9cc394b45db97a99a902200f52b19361a3d03734bbff177507214fa6d9ff29e007a4840e92e9fc686f24f1007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc334086a000004030046304402207270a1ca89d6e6950ff99f1ea396fdb915265c02e76b0811eaa674addc03fbe402200d22ec85249333b63117ef8fe68f377f5b4af164aa7b392f381f5201fe9c806c
 . . . . [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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