chemflex.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f4:01:c5:f1:4f:3a:0a:c1:cd:6d:be:83:a6:43:a8:49:02 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=chemflex.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f4:01:c5:f1:4f:3a:0a:c1:cd:6d:be:83:a6:43:a8:49:02
Serial Number (int): 431480398260564590402188237171472361605378
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6b:40:b1:cc:c0:06:d1:d6:57:18:93:34:45:88:98:fa:dd:20:70:85
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c3:ce:63:4c:11:b0:b5:69:7c:68:36:fd:cb:63:fd:22:3b:e6:a3:b2
Fingerprint (sha256): 20:5a:54:a9:06:41:66:b6:66:28:4f:fd:f8:3c:98:b6:4a:4c:e6:20:24:19:7e:df:c4:1c:af:7e:51:e8:c1:08

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 chemflex.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for chemflex.net

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

chemflex.net

Other certificates including the domain name chemflex.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for chemflex.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuRzBHIqWgNXMHNsAObyP
To5zEWa1Wcioi+7vGf44Xgz/59MQew84suhYqJFJMy29Ztv1VJeBuexb5nuXWqRK
zr/U1JbV7E2NqamVeKgoteHQ5srPa4dnxIqXBS/cV7LHL92hcWC4Pw5GRHQ5d+XS
fT/TBT6NOXyEKcOcP8w5GYilKOuNQJ1TBaLIxajWrEAeL19DBV3LWP5qg5+d+WEg
ZsUt1XSGc/9rrkOAC2lotclIE5eCPisQ9Grka5Kkf2EvWYUu319RLilz96zZkqgK
xJ6J+yh/tYNv6k/y4aJaVCPKYDs0GHP7S+OO7EMeh9rPBg8s1MvdCNRteC2Ck6h7
5PI5jKctmQtjRlAsgC2u/V/1LWYYQlntLa1vupehMecFTX0oAb8M4tW07MyeNkPb
eNZEE+T0zCerNI3FYlT9zofFkby+dWRH/s211DmWv37kMXwYH/1WftBqAYYWe3xf
OpB5a4zS5jzy6b4m/cZZLoYEgQ7qQToZJnW6ctrRSaTReb6KEOtqgNWigSO9oCAU
5N3cJmI+Rc/HoD7Iymho5T0HW8Un3CKzylYQqPu89Tapv1Y9Ps/dTHEdqULiFCAU
67tvtmgp3R7CliCnAC/IYSZ+QFMZnGLWYduowGUNfyWYFgJtpU6Xp25VKcVKsz3N
pb7bXmj7iJ6Gx3+A/Rw8Zw0CAwEAAQ==
-----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 431480398260564590402188237171472361605378
 . . . . . . . . [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 2019-12-18 04:32:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 04:32:27 +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 'chemflex.net'
 . . . . . . . . [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 755192384926602556625000780986053708365845482152867788808886686692482888762742645792973623460836122116079230867049802891432017259430208605532839544831602646150963097943575495815930607526815070389002884994670453242979088442549160611922927603763192814365025798692201807664228196723078733643365095083867145996043323032942354310993412230890792349643092260447244176295348932607493154288143654474655805102475418737153399608976745211062413548035325972043584131986501198974178433050383852229243231285539867454384169212944535070284897032420993296805710180894670546042940270095125376069983484020467453484500676795153685850532611591790956047652857679630316116103947298765580639251562900754790141373801311778701981179668785977584586318167808121115970890656143649501364308248945031867944448188818595437883442691872857662051649581197485257428125177417856247666983292062545707187127282395284868321302258515359229850280566230869914452308510847182081157026571524961874145207892163339116145103399606967271669053497829689905528395061421759466499435815961155406030348469653393718153442826922616064050235593174621196472813601608361194212155989815073138389792775297250806095495927148146405279605048932928267938785490698275586924145025539552220261258127117
 . . . . . . . . . . . . . . . . . . . . [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)
							6b40b1ccc006d1d657189334458898fadd207085
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chemflex.net'
 . . . . . . . . . . . . . . . . [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)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f177e3ebb0000040300473045022100d0e413b8ae09396859738e603d6bb4328b9ccfe1fbad9edee636bbbc4e635b6502203bd7a29887819505ae519546bdb828925b4d163ac7e0ac91b4efef10fc455b930075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f177e3eee000004030046304402204a2b8bbaaff7f6aad0c2b2d7a4f41df871a7776015b2b3e27ce5b99db31485fd0220391f870bd82b9f3516262e52f0bda62f3f36d9fa5744ae8e586f4954dd0df0ac
 . . . . [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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