*.gfctech.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:8d:78:28:51:43:de:3d:5a:6b:aa:78:d0:ea:96:ba:bf:b5 was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.gfctech.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8d:78:28:51:43:de:3d:5a:6b:aa:78:d0:ea:96:ba:bf:b5
Serial Number (int): 396588674162514085860580434653072747839413
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f9:fa:04:de:9f:b3:d8:d8:b2:10:c8:46:61:e5:d5:1b:50:91:d8:63
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cd:e2:dd:a3:11:f1:da:a5:77:c5:50:36:e5:2c:4c:e1:f7:b5:1a:b7
Fingerprint (sha256): c0:dd:40:2c:1b:88:13:e8:fc:b7:c3:3a:30:42:b0:0c:dd:f9:d6:1f:2e:13:0c:67:06:2c:14:0f:2a:2d:b1:68

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.gfctech.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.gfctech.co.uk

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

*.gfctech.co.uk
gfctech.co.uk

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(limited to 100 certificates)
support.sunna-design.fr
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support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
support.sunna-design.fr
support.sunna-design.fr
support.sunna-design.fr
*.gfctech.co.uk
*.gfctech.co.uk
www.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
www.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
www.gfctech.co.uk
www.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk
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www.gfctech.co.uk
*.gfctech.co.uk
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*.gfctech.co.uk
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support.sunna-design.fr
www.gfctech.co.uk
*.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
my.inspacestorage.com
*.gfctech.co.uk
support.sunna-design.fr
support.sunna-design.fr
support.sunna-design.fr
books.unternehmerbonus.at
*.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
*.gfctech.co.uk

Certificate

The complete raw certificate details for *.gfctech.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1AZ9xNexMe8wkeDfnEsS
RQZUX/v6RFS8evbHz1xfjXRtDq++fkRCkNJ6QGr8Hswdw8Yg2qgxmi4yPJLSY3Ee
kYLK4icAJiYOLxOoL62YzLjYVEvbnDJxT0tJV0oUY9Zr/1OhZKpeW9/ukHCZCmML
43wezQ/bwO1p4udWsWJB+cidxNGqtEChGpksQ+Xf0xFykDvzlnBRL/UrdA/sAWU3
o8hXplc1pRwLkFEbvch//CUN/uGx+emp5DXMfqPiWQbesWOmSgGeZVJCWMm4FOgj
nn4GJ5wAl9Ykzaa/8mQbR01QR7MLKb+CV7XqMwckieNVpZZwhiU5NUNqnHXTaqu9
uwIDAQAB
-----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 396588674162514085860580434653072747839413
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-19 03:48:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-17 03:48:41 +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:12|false] UTF8String '*.gfctech.co.uk'
 . . . . . . . . [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 26765721624655418765953228656764628825674350770209057032350564522950278670998493340473430902372073225540102992539093829000532670014552461737855100279987299472637838013198459000976358013993846458048511289070520648652053308242633981625881477930614284837860502928498185502903999582469832828031113908866156627150200439322833141297958431425096935302157634174226142960105576592461564453264281390866049485560009604383592947934553193265625329463814546680203716027472368794443153059396576990497159659301303741646079800907155039623448096350858766883475740581523235855464986186664352678552526113466748939087575300678814297472443
 . . . . . . . . . . . . . . . . . . . . [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)
							f9fa04de9fb3d8d8b210c84661e5d51b5091d863
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.gfctech.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gfctech.co.uk'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be5e8d49a0000040300463044022045df0a3a4d9e53884115cab3f781e617e394fad166354425e5acb6c78e0a98e402200e302d02a47a37c1822078359d9f3a05dfe893f77584860c5f250ef3b771c21400760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018be5e8d4ca0000040300473045022100b76a5ec674ca49714aac48343518189f02f98850a00c6753c52882f79d15ad62022035e4445987c66a2258192a4d6491d4ca1c6601834134a56bb4c1781eb0ac14b6
 . . . . [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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