www.invintum.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8a:cc:dc:be:f1:98:ca:0c:1e:52:45:58:cd:56:1d:ad:ce was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.invintum.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8a:cc:dc:be:f1:98:ca:0c:1e:52:45:58:cd:56:1d:ad:ce
Serial Number (int): 308568133119618346239459268557003380600270
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 50:8e:71:bb:f5:8c:cc:f4:24:9a:6b:3b:57:c1:db:e3:a2:74:9e:91
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 49:1c:bd:b9:da:3c:6c:17:a0:c4:41:b0:4f:98:6c:77:9b:9f:cb:00
Fingerprint (sha256): 2e:f7:1c:f3:20:eb:a8:d5:b4:23:20:83:50:f2:a0:97:bb:c6:2d:02:cf:d7:e9:9c:96:de:7a:bf:2e:44:cf:18

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.invintum.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.invintum.com

Public Key Algorithm

RSA

Key Size

2048

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

invintum.com
www.invintum.com

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techknowledge.blog
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www.lewisconroy.dev

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3oESgADGbHg0rJM7gfs5
zG9u/savnwSWLyBJNkw7Tv+ltXalPgcK8R6ca+97pAx7xZOJoJXCRaw1eNOaQclj
NzdQoQJ6mVtpRKFd5/sq2w9rOZPm/QtDR2Kz15CuKC1KQj+9BKolkAH4WRD6X3gF
VDIgpMKdI3gVv2ZthJdoKKquBHqqY3nwQ5SGWklSMJllHU/KcyG0IkdxMrDkrFKC
/hiT5Q4cd8ASTxvDeHid3HicKJzbFCYemQX6Q+Cw/05Vhmw7sAYmoBqi+fqCqIbi
6lT03CxR9NCjr/p7LP4B9BRhYSVcstNHB0huWjU50q6JZy6HFYNtM7kymUPRymPR
9QIDAQAB
-----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 308568133119618346239459268557003380600270
 . . . . . . . . [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 2019-06-12 19:19:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-10 19:19:10 +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.invintum.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28088551608857439822078418076805447871439553538965369050314400744687309620322683521883672629727074118361046974107186192775655055597899583199802382685505932926769411892314971555038727768710437779946688391783823912519577078953159190470456826391199409906173809697599482511093823354220461653425109823200312219109930418355684323066704511693348585234516943230542727650580691226587025889025111267985544674614831607290758105941429661601974493490054579841906864299266850318326487077810875378276391684116883936405356423079147680256916626877048500073416522143103667890312093415507176612699573144578684991121424141003895314043381
 . . . . . . . . . . . . . . . . . . . . [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)
							508e71bbf58cccf4249a6b3b57c1dbe3a2749e91
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'invintum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.invintum.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)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b4d5824dd0000040300483046022100cf6f532b46bf0e3c60119163993173d56e8bcae4b654156d8da5b80755a112d7022100b6baaf4f7f9591f92566664a096f14b47378ece3d0d50d126cadf712ec655c1c00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b4d5823d40000040300473045022049fe08ce05a2a9353697e61e9237f4f0fdddbbc731d08eeb593e2165161e7572022100a78cfe243a63f9df095fe56924fa6bc9d53eed4524cd4f407670fb8829537d18
 . . . . [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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