*.gfctech.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:e5:78:ce:00:92:3e:ea:ea:14:5c:47:87:b8:0a:47:d2:5a 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 03:e5:78:ce:00:92:3e:ea:ea:14:5c:47:87:b8:0a:47:d2:5a
Serial Number (int): 339422096804409479943967065550666125005402
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 54:89:01:53:f3:a6:0c:d1:cd:0a:a5:13:52:cd:97:bc:48:94:9f:4e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 62:84:b6:3d:73:2c:10:a5:7c:e3:f9:c0:cb:c8:df:ba:46:0c:b1:f1
Fingerprint (sha256): fb:0f:2a:62:b8:3b:bc:fc:85:4e:20:e7:e1:9a:74:e6:5a:17:95:7f:15:b0:91:7e:a4:e1:b1:a9:72:61:6f:7f

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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*.gfctech.co.uk
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support.sunna-design.fr
support.sunna-design.fr
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*.gfctech.co.uk
www.gfctech.co.uk
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support.sunna-design.fr
*.gfctech.co.uk
support.sunna-design.fr
www.gfctech.co.uk
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support.sunna-design.fr
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*.gfctech.co.uk
support.sunna-design.fr
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www.gfctech.co.uk
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*.gfctech.co.uk
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*.gfctech.co.uk
support.sunna-design.fr
support.sunna-design.fr
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvy+VenZbmbP4ehxIa3kM
Y3yH0Gz/tzJORL68v30h5aTOOnyrITMc4zKfaXCosPZs3V/oHHD8IbZ2j079OH8f
+YP8yUOi+snr9nSfKWT8SBuUY8F7lDCX0NYKjlK7F/FVToVCkz3ha0+z5BTyIpX5
SCHxeSteBeng9UTJErqitIdaKTn6r3laMJXY9y6P8OhpLXPgUsACYo8Ti7fIzueT
f9vPA2X4FwxjjThVUPMoh1gk98NHXJ8D5MGhZsnIfvB2LMean9zo+Wo/CgIPTIL8
P2EvcO46TejymsQSP+bCb3/UxgsU6hGoAZpDWZMXRVRr9Dlm07kS1ankj1dAHs0K
fQIDAQAB
-----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 339422096804409479943967065550666125005402
 . . . . . . . . [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 2023-07-20 02:02:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-18 02:02:53 +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 24134980744080242511699295842645564206797012087057728873365298745887212030911075507453322716586418404521983376145516529746726279787350537272318752851861429866667648839254405160591219891899200751221805125381647701341382309924141704507282113257178767486292582069612713795711772074118852156419153018153714728421302612421257961947296989924565854465317339156892786881618597768043757635752924933572218526308732424654379321280214702513863039532621645562038102714342038695633555909223012792141606410554562161576529314874054418913403866711239681512505300161444686234701186608385224104866234671966593323137431243511288851925629
 . . . . . . . . . . . . . . . . . . . . [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)
							54890153f3a60cd1cd0aa51352cd97bc48949f4e
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018971401dc300000403004730450220307f0adbd6d3329b1b08c8f52b2d6d411f3cbb49e9d22d80b63ad346be19006b022100b61750b9270a017e8ca6108c3ff5a2c62f474c32b500946196d8b407018cd9bf0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018971401dd60000040300483046022100eaa1a6ff3b6e669209990217082ec3f905a047dbb5068c30c5165b9a5a4a1e6c022100adc03b01458bf8aa26e53b9748c755bb411225e820dc0031fc0a87b518274457
 . . . . [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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