www.gyfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:36:c0:5e:fb:cc:e8:74:04:60:e5:4a:69:3d:f6:39:b1:74 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): 03:36:c0:5e:fb:cc:e8:74:04:60:e5:4a:69:3d:f6:39:b1:74
Serial Number (int): 279967810567226119536118244260366201237876
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:6b:7d:39:5a:de:b1:de:85:c9:67:36:05:ca:2e:d8:aa:51:b9:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 25:cc:1a:77:00:e4:da:d3:ba:a9:2e:dc:0a:60:1c:f1:58:3c:76:a3
Fingerprint (sha256): 54:77:d6:ed:e9:5f:cf:9a:c8:21:68:3f:bd:15:e1:45:10:5a:e0:03:9b:78:15:53:a7:70:ad:7d:19:9b:19:c2

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 279967810567226119536118244260366201237876
 . . . . . . . . [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 2019-10-12 23:42:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:42:44 +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.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 958908635139477327021643552743440143311241868740564045587128295054684538073830852212159700580097357691343608919018139375367600823931052329821706410452156132550409726385966545303462958044585612753962491020760149498941945604926278665571798419645157928349709025432515751349585071650727053790858666529262369747447038076088401460128748707587362918411126493457430117138478982286853108111313584886383974624476869360668812110161832944815648903866439440276385996367726915136558899896110491726842140707083027110027006059810198737545634983380107401415958193889355909800931226539195468059310922945268862908078619785020147519467935522811820088163945618235190286497198830273097921882056227073931502466516101445664150770172804091088311093033810504209819177158593392676201441833923687043554181609827109268984813371490252530783401968508712489099992321152193852946601623146870831521052084579084003207318212538055652715434496490331238316558486892973560362266017765812802471578822854041277579049912020500330702274473508100490873054505315071471279285080237474949366844602711076518923610671424900074121382274487131387202235038614834309623710209677640786968050441196631634007076803326544735848423436551179742789732626992549947631616318223725515910586817601
 . . . . . . . . . . . . . . . . . . . . [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)
							526b7d395adeb1de85c9673605ca2ed8aa51b9c7
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc2914b5500000403004730450220321cd1b20e24ecca1d62f2195631cfb36ac55465692d284405feac4d6267b22f022100fb465858e03dd79186247c94fce24a3bb1d3c3e110fa283e53c742333841733c007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc2914bae000004030047304502205b8c2c4c3db48a40cd21ac6bae8c1dffe8e0649425576d709c4b9369436091d1022100df3875726873186a11628bdc18b5fb0131e00929311bbe9c2a6cb39574555fcd
 . . . . [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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