www.alextsamakos.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e4:b9:69:ea:a8:04:c8:c7:ce:e9:49:81:9a:ef:f1:12:bc 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.alextsamakos.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e4:b9:69:ea:a8:04:c8:c7:ce:e9:49:81:9a:ef:f1:12:bc
Serial Number (int): 339167694583040724428567574715619748156092
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bd:3d:71:5a:9b:ca:d9:c5:68:7b:b8:ba:19:59:d6:7a:29:26:14:f8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1b:91:f6:49:d2:a6:30:77:89:70:df:5a:21:38:8b:c5:ab:bf:20:b1
Fingerprint (sha256): 91:b6:85:b9:bc:df:a2:b6:0a:46:91:27:d7:aa:68:2d:df:f2:9e:15:ff:ab:36:19:7c:89:1a:e9:86:23:3e:6d

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.alextsamakos.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.alextsamakos.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.alextsamakos.com

Other certificates including the domain name alextsamakos.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.alextsamakos.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 339167694583040724428567574715619748156092
 . . . . . . . . [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 2017-08-15 00:43:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-13 00:43:00 +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.alextsamakos.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 1009928587757653081554476718779189449080503073775466717570017309632651217147857533063128833859496898254341226814574176352749658860328500397624204554552573130709338945424631618195662853071283427711827612827355317606198711854203709039340613335029703029284184179074448005237417231508633758465614673178197258988475146436921203499357391638006547344972045988699482894342160859494056098764038906318842943610175864954540856294880394956333197856570712204431068289609603716104324228643554054784997504293799091477707515472825122073346636724702471477519966409809755761199079526245085483069800697004986900337841141621900120364402879539175866182946053483944129315040762712670294295569587978684602779690601728370039562045119280905359746081273484835971091032735053058952981596398450909920061368702205651570297468820284377740074831080282854952388470552908244343298960831370029203783337736329921840049089310548127971853237527680767723374846419642037738557935069855251638924918735059929164426710701270330382089689782884961179331782704078790291193853203358609039837928648122558884027229954976859289530183837100670052556534277454222558957300347940942694169302346101635005470085053960139322443463672204270936406206592175711828971275351764733550840239711583
 . . . . . . . . . . . . . . . . . . . . [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)
							bd3d715a9bcad9c5687bb8ba1959d67a292614f8
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alextsamakos.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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