customerday.covestro.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:24:6c:55:81:ea:a9:c7:0e:37:06:14:74:65:2a:fa:a9:c1 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=customerday.covestro.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:24:6c:55:81:ea:a9:c7:0e:37:06:14:74:65:2a:fa:a9:c1
Serial Number (int): 273731023608235043508604610731015539435969
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:ee:7f:1b:75:5d:03:3f:0a:9b:c7:1d:f2:e9:e3:63:36:1a:a1:9c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:44:e8:46:c0:9d:57:10:a3:49:d9:11:66:00:1b:cc:7c:6d:0b:e3
Fingerprint (sha256): 13:4a:cc:48:0b:0d:48:d3:6d:25:96:a0:9b:cd:e7:c6:7f:70:a5:79:da:19:e3:49:14:7b:bc:94:d4:c9:b0:73

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 customerday.covestro.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for customerday.covestro.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

customerday.covestro.com

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Certificate

The complete raw certificate details for customerday.covestro.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtv8/AW2nWrJfzaAZm7nG
oMpyj4hYpBF9rsBRfaeUUe/obW+ulFFsrZg3UJgJK3G69rzBORvQImQzM8RyGUhF
zq4Nvjb8AmnRli5ohhLbSfn0bpo7aZ/S5y7T4yJfxQH/ECW07owprFsVteBX2TF3
uQEU4bYecNvFfO3In6RDrUjSExW74jJO8LmOhhdsQnnw/hzg5krg4slU7hr+/uYN
AEhqntuPH0DVQnMNpZUmni5AjPBOssK2HMFHGFSiE26q4gsq4FtzhkdDxyZozP6s
L20LNOBNDO4dM2hgPGloZapVG6w7s/Mz+e5fUuRyyPj64p5Met9GxIN/tS20FF69
JlqBnrWgnagMo4pYh8sjvJUYLHMaX37MttobvdkCp1Dqt3FQUVKgho0qCJAnKOBs
zFMemNoZPUCZvlNJVQC87P0e6YYByIM/ERnE3a/ZasXsOfBqOSZCIJfrDlpsxr9/
26i5yFfmwvl1mXE8d68nLOoTDwNkg9VAFT/zfwouHnn0UK9CqgTHhMQxq57U2Lcy
ptr3vxWYL/8q1sOmoIiUlQZoN7H/Hs1zow/NS6OphIMusB9QwG9xeU/pl29TroR+
GFpTp1328YUJw462wIzaNZeozAtPN7Py7CK2CZAFpUAUioCr3PdvPpz9/9TauGd8
7jSeUvXgS1LKO7L7nE7qxCcCAwEAAQ==
-----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 273731023608235043508604610731015539435969
 . . . . . . . . [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 2019-05-27 21:10:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-25 21:10:38 +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 'customerday.covestro.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 746562850462346525577847706268996876115141161613001743393363397859652080789978890725635048626238975462873573098987269583951118742096972477010886011055501248407873332385672753207793608295432339741706817418061163847477743147366680857467247918034545937759661599664328959275790713687630984416232196984308476591561601297330471028793614741704766129797487787800627077250954800302220629403736981260199462915761311815605346256318938905137597725370631964440241567090995457254157428218739025872451420806668040076843224417479007487278509926414967350502865488908892128904254612275711804904408329014977251449672652453264944619008813167762217992415442900844774926839930358919674694384615088037642550471979309301335765287667449516805325063959390801538740988082678229390669528009443207489621916278761874595742149506036490944065544390397868215958076755608817392572056269662035558154217086831758455047680152422929091250446755416564734091176256669507507703057982226505409958959471029166436602239603680287898619899363565032497517141239726355847176673694442392974649772400101515920559642007632838982737095215152235470257736696346131103128181955939346123701079581090898210830378620369811749662668193178256732967129045964099222030043428319190102398454121511
 . . . . . . . . . . . . . . . . . . . . [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)
							c1ee7f1b755d033f0a9bc71df2e9e363361aa19c
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'customerday.covestro.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)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afb58711b0000040300463044022049772486403068f998a6e5018df94bac8bbf1c4c52689f652e3f0c531410a881022030fd8c0eb09ed5d0f75234edbebb805124beef8db81b9039195a72d4fc8c7a77007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afb5871390000040300473045022100dcd8228ad9414d4322dcda3c585c89029f8aa725b4cef5ab191aa808fbaf17650220131461ad89680f19302a41662fc4da55898daea94a60d4fdbcaab9b699633c82
 . . . . [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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