www.gcchemical.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:53:89:f3:be:17:b6:b0:df:dd:b5:15:16:eb:0c:9c:7d:80 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.gcchemical.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:53:89:f3:be:17:b6:b0:df:dd:b5:15:16:eb:0c:9c:7d:80
Serial Number (int): 376875950000574649023211946677620585561472
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 45:a0:c1:70:33:d0:63:9f:f3:cf:28:db:30:64:05:d3:37:ff:b3:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 89:ae:de:7c:d0:60:a5:fa:8d:4a:9a:78:a5:13:5d:76:64:74:35:62
Fingerprint (sha256): 3d:1d:78:4c:36:2e:3e:93:46:57:6a:ed:df:04:9a:2e:2a:e6:14:9f:61:d3:f3:21:40:06:61:fe:9e:86:f5:f3

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.gcchemical.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.gcchemical.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

www.gcchemical.com

Other certificates including the domain name gcchemical.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.gcchemical.com 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 376875950000574649023211946677620585561472
 . . . . . . . . [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 2019-12-16 23:46:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 23:46:44 +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.gcchemical.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 821618020210809258569112628486037109345893862482439214752497858565801240140266847660118465524650106406134290984741591083298166700582752030090126123294748382520448705107909445725771435420024494721286732732126654238019534753913114367300844515414470770096678639852691358797221949423855191780498333157079617983485541979100517342613291238294459855709835918379310898707849453520386363629543003006897964365022703557176404998036342371834869202284537240491844516666025396323659204062353861702396531986380889178572661465860872841391188802093076863113531811382269511517086109293667608656028382421353084980241161461583650708852557869507047138762215327847176537878595825656315304397173840035618424048694040139002227654185245792045488125036694313365984833485237096361160029868472859128522391947734915442947115148054118447282724608030046816658519531591205665946997612276054127676177560352304301026531689220500441329664372928383354143063055983259203718463164463995918325069903916062909130328811010011674513920675121132659194838492947908278429854214423215587389390722685712088459143166562578909609105732932827267265936495478302800137840521572890763984274673243360402387472011478106809272471992417077799081783574264691242107000250064647542891751456627
 . . . . . . . . . . . . . . . . . . . . [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)
							45a0c17033d0639ff3cf28db306405d337ffb332
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gcchemical.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f11524d760000040300473045022053a2d69b601f2938f6c7ec8fed799e18afa594009292c8fe61bd8b3a96e6096e022100844fde8d39c473ee78e7f4baceab2ce7cdfee4f47212c7c030cf5b4ad8976f1c00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f11524d9b0000040300473045022100e98b6857657ba9bafae5bd0efe97d678224485c92db9d83c7c678647b0c3aa1d02206148520eb4c2e9c7f7f0ac410b58875f702af1ae0a1f1ef41cdd9604df4e7656
 . . . . [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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