gyfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ab:4f:b1:a9:fd:7b:3a:85:cc:8a:de:7d:c0:77:80:22:49 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): 03:ab:4f:b1:a9:fd:7b:3a:85:cc:8a:de:7d:c0:77:80:22:49
Serial Number (int): 319631074034782271749553033770627355386441
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:b6:bc:83:52:63:dd:bc:ec:4e:31:0b:35:54:30:05:a2:a2:7a:9f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 37:52:c0:87:f3:b0:e7:aa:79:ac:1a:db:2f:e5:02:c8:23:7e:d0:23
Fingerprint (sha256): ea:21:5f:82:d2:da:8e:67:30:3d:f7:98:7c:04:10:06:fb:77:f6:31:65:f1:94:c4:01:71:5a:5b:ba:ca:1b:17

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 319631074034782271749553033770627355386441
 . . . . . . . . [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 23:43:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:43:01 +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 661712027677762248909545165346354635620730365557610957444995527866014596207779106471540102805794119002627567380501419561628773658745847257825920027070111238895119492439020931278372034967630514566524753429520666247575036732732415212514926845217906574383280761230794916244271600374763056092471207147499631485413763559206000007724568085761114193190386458258451711233218622568288387764526600400187587694339904818346030099128711293990042321576220065345089369164029727473543391284106232943658160451278333831481079831386200996368027865088539271772427083915517402924570409590043467745367568640178536257300330514504089182356638495162586610183159786416749230366343774689786499791054022056908341702469260219706956260926484909725735753613373245157851260952938458284318011434031536795193772086935405455003988701480276052773667969242342493524302594999546237499542710914494898434994043883617035859811432177520404479372788462685634113315156729836872573141709039739953710247075030141860808766813011333393938939628089401127048523094225036028376465083434576989045220825823493225247735247566629167550264486996078413644533210858923764123776867146810231866413897108287668899692093921773624110971944253448029226204493855814735921454797929834353288889734949
 . . . . . . . . . . . . . . . . . . . . [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)
							b7b6bc835263ddbcec4e310b35543005a2a27a9f
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc2918d000000040300483046022100a8f4fae6b9bdb8e04123ed5b42b183e8626ae6eab7eaec99493bcb9420fdb2b9022100de060f01f34ad64651963a9e038e01119be668a908390e5183b760f3d08db3790076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc2918efe0000040300473045022100f40f1fa6fe58151f59b6dfd319cbee430243d519bc74f0d3cfc1b27ca9d83159022066f077e00f059efba14b0d110c49a0dd44e55feffa755d7a9523c44d7636a94c
 . . . . [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)
		008f46625826f7b59547c524dcd970c0356f1fed323383b4de5f0c29afde038218c32bf992df1c2d91f60380f4d65045ffbdf4daef623e2f8be01b0fe6432515885c6dee9ade73caa99f4b143478a7bb19de592f911d761112497db03941db92d2850445ce202ac97395645b88c5af36f6cdfa4007d2cda6203114f538a8535ce32216a2aba744d0af4197afd84f63cc40191c96715f4fc4a999886fa61a2767341479f8980771f75b110bacc43b4c23f2c69f4d350de303ce87c629e6fa7ba84ebcb0bc47bae94f4b851fde18cc5c6300a0c744733cc59bfabbb73ff3d5b027bc5174f803137d5abc20d123c82df976ab704dafb518cdae4c79c25223e00c0f46