www.lumicom.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:26:d1:5a:c9:19:19:a5:56:6f:a7:25:d0:52:37:50:fb:00 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.lumicom.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:26:d1:5a:c9:19:19:a5:56:6f:a7:25:d0:52:37:50:fb:00
Serial Number (int): 274545867774865688506434681084842708368128
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:44:86:e9:bf:74:fb:ab:42:d9:26:0b:b9:a9:57:55:86:ab:68:5d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a9:7d:6c:2c:2c:dd:0c:09:e1:a8:b5:2b:12:a0:2f:c4:2d:53:4c:cd
Fingerprint (sha256): 05:4d:6e:11:95:2f:5f:f5:18:c9:cb:d3:1f:53:76:73:b4:b0:61:50:ed:cf:11:d0:ba:c3:31:b8:89:44:ee:d2

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.lumicom.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.lumicom.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.lumicom.com

Other certificates including the domain name lumicom.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwJXbhHFDSRDv5IHy3+hT
p/aKJtlW7LRLOJgdK0OJ7OR0WBBFrJwQH/r01fUzyisA+ENUcXm1Nw5Wi91OgFsa
684ygjCOMg8BYRCbXKIy+UmzZzmQVBXxR0Qfru5BF9a/yggVp4aApMW1q6fi3Fp3
Zeow+iIMkIK5Yqt7cBmKR8HH0nggg8NrydmBLUs00ccokv12E6vo1DmFAJur+u5U
yJTWt7zOgyu6lxv4Kpdz0fH59/9RFsqG2FallPpuiUZY9x3smGOVC3p1n/RmjG76
mGLTlWHkp5Q8iGf1tcQtwdfLug0gpATiladHJzlzEq0/JnCXPodL9+sFaZHmTLhx
SBL9SKcOcnnhC1ZQwtK3snauiWB7BX1s1scf5GKgmr2bgr/TbWbLkZ/EkYBfZWCv
b9yfL8SUDcA3VDZnTgsGcjCDorpPDjV03nXbA6hinjlxjVqT39kWIwxjTChqiyl7
SMMEaawDqU4exP7uWc5eWNgsuFuL2AtEfRJz05sdglTLZYkDaGpWul3DbdVtNvQR
5lYvxy6BEhjJX/I6nIDyZn6gj5Flw76VmXGT8gF78ceupi7uJJjGJddY8rgIbik3
+0BDBHEPdLSc3seolY6HXQpQmVoLWItkS4q+f0ONZtZGomusk/VZ2A2/EeM4Vkzq
em7PsE8ic7pSgDk/rNYgs3kCAwEAAQ==
-----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 274545867774865688506434681084842708368128
 . . . . . . . . [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 2019-10-12 11:03:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 11:03:51 +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.lumicom.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 785679806445585031380289757793526801706723019729330776493316613303150880683843679494848170414984617551510334947057970868534046418347246013513327342146362168728250334551051637931461758948471133438561287453609331806815741004434044648350411616715815051508183842340612984045253911066674342781494420490969542060128023437415383858303511176086515064850333806209133042952989045642687599440072333786849152197596158618785494579173767900548037493003824497560633898523048861877877801027503691592020161965515378647037028810359738786068607412840651189681197296196483526938181730561822921206980396405361786611302871458595571117945672953705287465686694663910588839021126176426104373242554773376475016420700517723569534576890305585932026986588322927045731693152227121876353407420486343282365117493035352100908491176905805896095245057919936087258652134637534638150623451005394161488984900332358081567555115030842035751095573422020360279049439100215876891895174605927104915462059866490246189322071747006502367393356750084636890950841774319179123340972633659257218368237630882734284941674841107219356162997761410436981054331417641309798475379331364490516951441833992762587660545998226993001927526195024632738722254356252382798147854214581943433141728121
 . . . . . . . . . . . . . . . . . . . . [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)
							2c4486e9bf74fbab42d9260bb9a9575586ab685d
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lumicom.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbfda843e0000040300473045022100ae2e7e59bada2a3872298d0ab4e547b3dad217ebfe1d6b6947be3b77d001e0780220743b3b4a00fee92d5550c3eeacc77e7d694a96dbeae4d122d145b5bff07865840077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbfda85150000040300483046022100976bc7cacac17bd97590c79539939d42021d86705b18b22a35a83cc6118f1624022100fea1ffb18e0748339590a5815d7b127ad0f933fb9ec8c2c9d1be94952c4bde3e
 . . . . [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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