www.feet-first.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:0b:7a:93:03:5d:24:25:da:3b:0f:d9:4a:3f:dd:fc:b2 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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.feet-first.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5f:0b:7a:93:03:5d:24:25:da:3b:0f:d9:4a:3f:dd:fc:b2
Serial Number (int): 293678940602720991322799351296230845971634
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 05:cc:1d:37:49:8a:be:1f:30:a4:31:1d:b4:f6:01:4c:59:07:dc:97
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b3:f3:b6:1b:f5:60:ec:8b:79:94:b5:fe:fa:e0:ba:fa:8f:ad:b1:d3
Fingerprint (sha256): 12:63:f5:f5:01:3f:74:5a:e4:31:64:88:36:eb:4e:df:8a:2f:e3:37:7b:cb:3a:cf:09:ec:d1:0d:b3:61:bd:03

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.feet-first.org

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.feet-first.org

Public Key Algorithm

RSA

Key Size

2048

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

feet-first.org
feet-first.pentangle.co.uk
www.feet-first.org

Other certificates including the domain name feet-first.org

(limited to 100 certificates)
www.feet-first.org
www.feet-first.org
feetfirstthame.com
www.feet-first.org
www.feet-first.org
feetfirstthame.com
feet-first.org
feetfirstthame.com
www.feet-first.org
feet-first.org
sni.cloudflaressl.com
www.feet-first.org
www.feet-first.org
feetfirstthame.com
www.feet-first.org
www.feet-first.org
sni.cloudflaressl.com
www.feet-first.org
www.feet-first.org

Certificate

The complete raw certificate details for www.feet-first.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3Oso2D1J1iUnvtxKgJDH
y3Q/PYNxPq3d+kI/V62u9xzRZZZlamKBN4+k7RKfhxTxQABLZjJxoc/vinkmdib2
GOcLw6vccU/lk/4itLG3CoN0FG/yGVfkOz8aPcDUnoZDtOHAi13fOzeHEyK/jgNY
pYgS82t38M1q+0NeJTbc+J9YVtVBRfxcXmBwlit2xha0BD8LGqTaUigLYjED6Y1x
rfeRhgSVEiiCQHSxWnQyXv2/+/B6O+GkE+2Cc3prd0QXONjw4kW7S3O3czVQNp8F
5Ny8MLSvCYBOJ7Ey+nv7/kGZg94P+jSMCf5pN8mWN3It0Bq6Jjn97zni9jRbL+IM
OQIDAQAB
-----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 293678940602720991322799351296230845971634
 . . . . . . . . [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 2020-03-03 20:45:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 20:45:30 +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.feet-first.org'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27888388588360884302471129386260223324929284870953438833017562402581873716272430500719717444855509891667443535838231857772327208904953191182593486980577842865380175566957459568169391897048623795509683467051938180986121341089693958871108714556051855756484452496076725262490980553252890399865351788572373322786069511173677355281943714077860066783328276471303021509240492489392399100075755461093705809566072915773810288457612880912307230755996178594073217531618457718236406341334735779165188978310633423353606018699519075590782063193589116252955658496003413275123724143865648091481467865266488250395042360278664045792313
 . . . . . . . . . . . . . . . . . . . . [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)
							05cc1d37498abe1f30a4311db4f6014c5907dc97
 . . . . . . . . . . . . . . . . [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 (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'feet-first.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'feet-first.pentangle.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.feet-first.org'
 . . . . . . . . . . . . . . . . [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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170a25c6a3a000004030047304502202edbf0c3f95b1ed9083e4e25527098612261a5704820012854b42ade54b268f30221008a0a449783fccc2155c524b64dfeebea91bcb22fbf9d0e130a86b9c0a5fc8f15007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a25c6a52000004030046304402205b3bbf0a3a73092664fb32a32e847139293c28c0e93f6bbf52748b91a04e4c98022069c277b103732f4833668a6ae7a9b652145c04810ea6942543b0f6efc0f89285
 . . . . [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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