www.gcchemical.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:20:d2:b0:ec:a9:b9:56:89:a9:62:75:f9:a9:41:bb:f3:d2 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): 03:20:d2:b0:ec:a9:b9:56:89:a9:62:75:f9:a9:41:bb:f3:d2
Serial Number (int): 272505950060208290504903238349002372805586
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1c:da:c3:fd:74:c7:6e:19:c0:cd:ca:9e:64:fd:6d:ce:2c:c7:b9:db
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:54:d3:de:15:78:7c:b8:f8:de:9d:5e:30:dd:c7:08:c9:85:f3:27
Fingerprint (sha256): 7c:55:1f:d8:cd:50:12:c4:de:c5:93:e7:94:58:b9:b7:55:4c:9b:f2:68:10:32:94:93:fa:f2:5f:4e:aa:cf:04

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 272505950060208290504903238349002372805586
 . . . . . . . . [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 2020-02-21 21:09:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-21 21:09:26 +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 743590076866852426314709042040730375137738737400692839611809320622311073210598664975266770609208552191185749593136865108179235957433558797426895451095642479496723896448171819533874231858543859492333385920717812229796568175551001215637507359740663033409052920675514703712000483274714002763892783886767301793635030914290452047190553872289115383091924790678025170744582082716905699767092897382713847645606910825380895044021267346395660682159201007594176198168178168162530617482969602654622220155562369248852014939256656279105364883322687790390985400326016777438017512473604512451887143752275526811554605760032932137227672518003241231366359058175207929177355710555708455935823162693809460471997593019681891382395996166396737929500955625344913529743194082250550703542310180042853253935848529635196419774741044152691176728693248099808727319902881280837235741109173142916590703548208787036528921866461102965100028002824285794387222268482141628102117878997713096864439433492083064585459831035419574055785397750108663288093100170521549453597228558715090718107585608485867812694007566324554122517441747298993859165117855508090996240822488285135236243379670454115124408868431868524782910677579811374283133423948505640470729231309061191247516871
 . . . . . . . . . . . . . . . . . . . . [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)
							1cdac3fd74c76e19c0cdca9e64fd6dce2cc7b9db
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017069cc61cd000004030047304502202bad1782c33e5a8b55309701c55de3eb00482f8f8b5bd78237c3e6f8b456f0ff022100a35a63f84a8f6e3bcf7eb73f0ae3b0c95fbcf80d9bd8c9c7341ddfd9b5cb8f1000750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017069cc61f4000004030046304402206461ae1144ea4e37c9a9b8faa8483045e3a2a52327d316c2cf9f6bdc3803560802205ad75b0ea463d52ae6355b47c7d4f664fbaab462f16821e15c0c1b37f0791867
 . . . . [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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