www.alextsamakos.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:41:d9:8e:41:0e:fa:29:5a:95:50:ad:59:96:44:2c:04:7a 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): 03:41:d9:8e:41:0e:fa:29:5a:95:50:ad:59:96:44:2c:04:7a
Serial Number (int): 283744392745924218513674005929527532586106
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:eb:5a:fe:a1:c2:0b:a7:60:7c:3c:8c:14:70:28:78:62:79:8b:5b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8e:45:ee:a7:45:64:29:5f:e5:3e:b5:1a:9d:8b:76:ff:79:12:e3:9d
Fingerprint (sha256): 56:7e:24:33:d9:0f:65:1a:4b:21:11:88:0e:de:02:41:bf:3f:0d:4b:02:ec:58:9f:fa:d1:00:96:d5:7a:5e:4e

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 283744392745924218513674005929527532586106
 . . . . . . . . [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 2017-12-12 22:42:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-12 22:42:08 +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 919535228401833761794079248087075630881606282512687348533559271105330947436263543519876013632061082873903833326209771952732954414898213670272446144234325674858456162340802544731073668131384507992209711810485989583247322142376298973911341218115297061726671827340871543912155181047582805052438933763062155839681329661662114116687354124594751448606829817390310768655164137722000121682839372359431758636099467574244792713553266012354312908915900973913021193462935487258951714058045539134088274703904333804887638282716420088093548464209411506349596495454559916625305251486161490786874441270087072889919696814257381105315109369964834420552842874790316364087006105782651438088578741517679434744881914799323564708883350258194985438876938325170928450015871181353013386906281691426830734147371882528665822332762251960638844713208303522785876442518682082513512303165002631062582414538553240960633293571632613824463394128466287844080901987497236582811901775470589441174230364659946292909827291513772266759676501598277976795498104405119335051140736010033711594830344078193398965130201843563807409111882810304946870621276365453603020855082346550176019521032369115589022557560031790231624272959013298953496267528068064239908757152892845972914535371
 . . . . . . . . . . . . . . . . . . . . [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)
							b8eb5afea1c20ba7607c3c8c1470287862798b5b
 . . . . . . . . . . . . . . . . [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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