www.gyfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ca:ce:48:aa:94:ec:46:43:5c:a5:f9:07:f4:9f:73:f9:3a 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.gyfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ca:ce:48:aa:94:ec:46:43:5c:a5:f9:07:f4:9f:73:f9:3a
Serial Number (int): 330348094185624340815008726560187316697402
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:91:3f:3f:09:44:d8:b2:7d:c0:1d:5f:d3:00:2f:3c:ed:d6:cc:0e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:7d:a8:42:b6:f7:09:99:16:cd:ef:0c:3c:a8:65:f0:85:12:88:1a
Fingerprint (sha256): 6c:01:77:ff:22:4b:cb:ef:51:46:c2:a1:b0:ea:6d:07:d4:da:45:0f:1d:65:97:66:22:ab:2d:25:b2:60:5e:f5

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.gyfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.gyfco.com

Other certificates including the domain name gyfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 330348094185624340815008726560187316697402
 . . . . . . . . [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 2020-01-01 19:43:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 19:43:06 +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.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 610796236901957542931989820318081907467628605377407738812345531655311188615050128639052800635069610147709605474706178150961275888872369344080665838994570609414774781412550102754332209699299423989294529818830026515224517174061981588040842864242173828161274680735769439337649294096939085448408066421044105382303744876506080715137839872135442993171399580805769293626274516992712580196864302329767315992816852077042612561361803148395888666218444420637169845078345344179196020060719774981563542714865885611489954092909602760583408892462641086974373724111391461729503274263143866407552952294570917457447156043882186810048385778770515909048527912060949397889602553632541213058454303929579929276373266991216217826096111536503580387999987699174174741829287841105355713343417621964737030908273773737774869911811874720039193189869322382183485515270524572577196507620816142370457700703029239969976793579361298978010120077644926295543877016796954056337666772264877145571944583307223487642044436550933506654091913502646034837378813805922775658040807866256406832977111001508147779303375650984706530724439041423329498216551752991194462307265983002908445072744676685970996200384016833320447303745259668848289532752388936401860872769710098479328869889
 . . . . . . . . . . . . . . . . . . . . [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)
							93913f3f0944d8b27dc01d5fd3002f3cedd6cc0e
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f62d9013b0000040300483046022100ccd31a74152e2da97e9085d71781c716eb081497393bc693df3e1c3d4bd39918022100e98785c146504dcc78a0deef86dbad3143756248111989d34f172b94f1744ba7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f62d9013b0000040300473045022100e96bad0474eb429313a8096a1610127614e7893c5917a5a647f7f22b11b170700220280b24e7ce0372ba6d6dbdb804d5132c338f65b58a40999901f431254e7bd4cb
 . . . . [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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