www.chemflex.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d7:81:bc:5b:96:28:f8:f4:20:51:c6:a7:e0:53:a2:3b:9f 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.chemflex.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d7:81:bc:5b:96:28:f8:f4:20:51:c6:a7:e0:53:a2:3b:9f
Serial Number (int): 421782301035904593602611281113359166094239
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9a:b1:e2:7a:e8:b1:f0:23:1f:e5:7c:6d:c9:f3:aa:81:4f:b0:9f:fe
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c4:f3:16:9b:ac:da:f5:fd:a8:ca:05:dd:e9:a2:5e:7f:1c:fe:cd:30
Fingerprint (sha256): 72:07:e6:0a:52:25:b9:55:90:9b:ea:f7:dd:93:dd:b7:bb:4c:da:12:73:f1:b4:8a:fb:01:60:15:f0:49:25:78

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.chemflex.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.chemflex.net

Other certificates including the domain name chemflex.net

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 421782301035904593602611281113359166094239
 . . . . . . . . [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 05:37:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 05:37:49 +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.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 850742647007184567541755259796760627793157035204874907830023117579452821942745624939867686269262137287607302336965322052793902616778747384907504648414273897310200164744175169156989332196139491741335035138082394817699323888865875972442895559343162338346073815394358876701284914316282459890875626926487296546058937146256977101913017058413639255133412052493827074146600045153714661088090269965276841417279464081187734691413056747963081645187821590587755053108555497760975168882061734461070399790656995942261771847564532735188919876470138497552635807698023959884807801281220827526602346649896374867953958013067049400436251581569698075865134509268811816115761158870929203454617962599375196502859598230730821746162123045791776694896306519692251490887581527325932050495463396531586891243286558198071938396105507257764531808674375458900046511303013061568076081806850693437493173430312156046906471204471233905329063985901729787328424144867362445071853078161049458194833392802612323421407837481000933916675555988382006840842186444853719006948828229016761463428015207476321131386656165855612732919602375322751967106847525141619317562994868314719542202718763125275847659094205872853645769741043976433395597038368160508852517258196699411603815793
 . . . . . . . . . . . . . . . . . . . . [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)
							9ab1e27ae8b1f0231fe57c6dc9f3aa814fb09ffe
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f17ba192f0000040300463044022004d7e62800780bfcf474e608aa0cefaf11577f507b2d34ef0c08e4692e2324c30220048164d8b566ae4b61bb561b10190e523d11f758036602169f4c50c8bd493cdb00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f17ba195600000403004730450221008ab905e690d01e68c0b4de863c4064e46aa22a85f799ac9d7cf6da1e622361ce022072f1606a42a52fb8c7656ea84341887670c19b4b5eb9c50cf300959990cc5885
 . . . . [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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