gyfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:fa:88:55:e1:9f:81:99:e2:0b:52:3f:8b:75:6f:46:86:a9 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=gyfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fa:88:55:e1:9f:81:99:e2:0b:52:3f:8b:75:6f:46:86:a9
Serial Number (int): 433700956386114874732177488260414826776233
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 79:5c:8f:01:31:57:6e:78:cf:58:ab:30:27:71:27:f3:42:50:2d:a8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 13:44:9d:e6:ac:99:3e:08:31:18:25:e6:24:4f:6a:0d:d8:39:6f:10
Fingerprint (sha256): cd:f7:70:8e:32:25:35:78:f8:f5:2d:ee:88:aa:9a:52:f0:85:3c:d5:2e:41:71:d8:f1:01:cf:a7:c5:3a:67:7b

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 gyfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gyfco.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

gyfco.com

Other certificates including the domain name gyfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for gyfco.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 433700956386114874732177488260414826776233
 . . . . . . . . [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 22:26:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 22:26:15 +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 'gyfco.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 770714020344378469557013753418037645174296372249489270711998897188141689597792932933821470009346285227438649398000266825230734753545384397110335530413863993930559587596980483428531199365761371021839872000703539872502088737528146752861828902517905173392543972024844358499795462057573988091586201581263145339104928478656693952438230364230167800589239879909621205735555617393695178305977725834187476655741973380990436433218228247809983290097205792735315285953109620248096046979059656433706686877716283522224323450623045180663521391839644595692616655039114222586797808787340632785995937139836065561825826834300984474123265368939867036076344282432010626520927357244308613005881756117826360622320090258916641877832348540515445529498677204420746786242882942056011648438587829440066191351328233897015967199478562952684401635236516166987295383792509080718290470584859015010020146195674289458601106925106497230940601756552663126377094553532878251887474404085374133690339371178929660859229392318987173773873070335859795881680688403156482282460920616867760409070479101093311034526133650984800790464274618122191927105972981595834042848393359384629932180295428445021403211994317776645802442003436989475606518693829130067298606312481034569339681517
 . . . . . . . . . . . . . . . . . . . . [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)
							795c8f0131576e78cf58ab30277127f342502da8
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gyfco.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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f1108a1010000040300463044022006ab64b15bec447312957233092825a73cb0e8614598af5255ece1bf4daa898002202fc59472fe8f7c294c748d5095e88dfcf88bb05579a623f5858ce4139ea9660b00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f1108a12a0000040300473045022100f9555508592e8778dda5c7545253f868bc787232242905a78726a7aee073352202201404fe17ef080bf5211b32dd7f69e39a5aaaea46af4f307ac42fd48960b064d4
 . . . . [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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