www.covestro.com

- Covestro Deutschland AG -

Issued by Trusted Secure Certificate Authority 5

About this certificate

This digital certificate with serial number 3a:97:35:4c:8c:3b:54:6a:a1:80:b8:07:b9:d5:65:88 was issued on by Corporation Service Company.

With 4 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)

Covestro Deutschland AG

Organization: Covestro Deutschland AG
Organization unit: Covestro AG
Organization unit: Unified Communications
Address: Kaiser-Wilhelm-Allee 60
Postal code: 51373
State / Province: NRW
Locality: Leverkusen
Country: DE

Corporation Service Company

Organization: Corporation Service Company
State / Province: DE
Locality: Wilmington
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 3a:97:35:4c:8c:3b:54:6a:a1:80:b8:07:b9:d5:65:88
Serial Number (int): 77880341613612850867073550142265451912
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: e8:dd:d8:4c:80:99:92:d6:c0:d1:95:94:51:69:70:c0:af:19:94:3b
AuthorityKeyId: f2:bb:55:ee:fc:8f:cf:d0:3f:14:68:1a:95:7e:79:0e:ab:17:30:f4

Fingerprint (sha1): 63:66:e3:99:9b:eb:4e:5e:69:1a:6a:82:ea:6e:16:79:4b:9a:7f:6c
Fingerprint (sha256): 27:e6:53:d2:63:bb:4e:f5:12:63:59:95:22:2b:53:81:0e:1d:a4:12:64:ea:f7:30:02:bd:f8:08:67:da:f4:88

Issuing Certificate URL: http://crt.usertrust.com/TrustedSecureCertificateAuthority5.crt

Revocation information

OCSP Server: http://ocsp.usertrust.com
CRL Distribution Point: http://crl.usertrust.com/TrustedSecureCertificateAuthority5.crl

Check the revocation status for certificate www.covestro.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.covestro.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

www.covestro.com
covestro.cn
www.covestro.cn
www.preview.covestro.cn

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAysWwcv9AJiLhEbiYpxZA
jVo1g2dI8IV2yiW76L159G4PD3pDTNC6vo9tNu/iuf4mIZOjrHZ7zmoZPK5nk66W
vCe+6DTd8G5eZfjNrTnAmoUFam/eL/o0duU7S5vkp8WCSFs1p9CimFAKAAgZywy0
89OkO2TUuw9+NwCB/ZMx63+LVaEY7WJ0izpvGjXG3tJTtz+6yE0Fab6plDO/dr5r
edWqjdhJu9axuu7QqXsnsyCEsXRTlemwslKi6kjrqZRMTgsP42p+yfVWjlkA2bDo
1y5ebgcRsEYk3+Ag4Fnj+lM9Bq7R6Uc+eWv6hJ+NtJWXmSIJB2pOwGYE71DJxD6T
hQIDAQAB
-----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 77880341613612850867073550142265451912
 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DE'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Wilmington'
 . . . . . . . . . . . . [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 'Corporation Service Company'
 . . . . . . . . . . . . [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 'Trusted Secure Certificate Authority 5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-26 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-26 23:59:59 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DE'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.17 (postalCode)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString '51373'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'NRW'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Leverkusen'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.9 (streetAddress)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Kaiser-Wilhelm-Allee 60'
 . . . . . . . . . . . . [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 'Covestro Deutschland AG'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Covestro AG'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Unified Communications'
 . . . . . . . . . . . . [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.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25597621807930406210598552221994112184322973353807771609744806229040502615742120218885550449565358065409305190063429700595355854922479408511639843912689599856558954054110965171758332747774833243713687678130532893065902074481244414542108672341784608722656714378595734833203180606512676372816474844177915804139480463132860708059883484484899531821324466644222967037792726876229045219947351004639471402013584111814546688071195781321689042520820619077067875169621739323727754236875937848207779259604066856485214919860067175849700959507390558834435729630172114447838472130419555998975363335900661994792227607036617732035461
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName f2bb55eefc8fcfd03f14681a957e790eab1730f4
 . . . . . . . . . . . . . . . . [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)
							e8ddd84c809992d6c0d19594516970c0af19943b
 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.8
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://cps.usertrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.usertrust.com/TrustedSecureCertificateAuthority5.crl'
 . . . . . . . . . . . . . . . . [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 (118 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.usertrust.com/TrustedSecureCertificateAuthority5.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.usertrust.com'
 . . . . . . . . . . . . . . . . [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 (75 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.covestro.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'covestro.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.covestro.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.preview.covestro.cn'
 . . . . [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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