*.gfctech.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:c1:07:90:f9:13:e5:6c:f3:a1:cd:c9:a0:0f:e4:a3:d2:2a 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): 04:c1:07:90:f9:13:e5:6c:f3:a1:cd:c9:a0:0f:e4:a3:d2:2a
Serial Number (int): 414133697881396563640010106355616271553066
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7a:80:b5:5d:32:78:f5:cb:90:a6:62:f5:74:79:76:f8:94:46:77:92
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7e:d3:67:71:23:b8:48:09:42:82:b7:d3:e6:4f:ca:01:c7:a3:45:b4
Fingerprint (sha256): cd:c5:0c:99:bd:4d:3d:b8:73:f3:b8:19:b4:e6:79:03:6b:ce:a9:50:65:f8:ed:5a:a6:c7:6d:55:96:a2:06:07

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)
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*.gfctech.co.uk
*.gfctech.co.uk
support.sunna-design.fr
support.sunna-design.fr
support.sunna-design.fr
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*.gfctech.co.uk
*.gfctech.co.uk
www.gfctech.co.uk
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*.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
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www.gfctech.co.uk
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www.gfctech.co.uk
*.gfctech.co.uk
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*.gfctech.co.uk
*.gfctech.co.uk
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*.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAralZXA6g0DjLcqT0T7hx
WDGYkGSkCFWXPowt26MQEhNLq+0DoCRCuCQxC3W2SvjA/Yuiefws5gB1vJ0BTrY2
QRZmjcV7bgMKSdkdFbnITZTllxXvXcWaCoFsnzv8gv80/ZengUe4q087L/uFuF9J
kaEb8L8uxDe0wemmUjKRplRWL+8+5CqD4jRwWCWdENf565Qb/3puteT9L4J45GUr
wlwMetF2oaboFCo2+lwZEK1hYFdVeRaesTawpfOdSHKwjXNh7SPGRe5c5JCoBiZi
XJhM1yWBQEhDTsDF2V2b7ZL6ZqvZlkPa7/hYkG5o+Hadg/lh8t9HI9cLhCpW2unw
rQIDAQAB
-----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 414133697881396563640010106355616271553066
 . . . . . . . . [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 2023-05-20 09:22:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-18 09:22:49 +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 21922735893501033198254324880935909886188555485656887038242501052855216073713076428302923926944249238862989547828054199172704747231144492901606513441655131492609429978011942572735564708720184949978445648849925912039084598405839216865697807347381613261265902706034031514684993357799317668494895759107915101034023653006316700015370552199104776909768729399094881067275792201558820982968842090282205734532358908674276965817418778584831163585887342767552512967105944974507557083289861184807973316194662228563729087213916530800806084019810548950203862123275445460262479391563908901626157178180372144250115990838933161898157
 . . . . . . . . . . . . . . . . . . . . [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)
							7a80b55d3278f5cb90a662f5747976f894467792
 . . . . . . . . . . . . . . . . [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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018838aef6ce0000040300483046022100af744b8fe7f178ff7aa5c9833efc244c0383f34e00295c1e12909f79876fe8bf0221008e4af17bb8bf3388d16fe287f0a4af7433393bd4bd5f23f84796d142fa01fa57007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018838aef6f300000403004830460221009cd917270ee9b885725d19a9d3a0b1cbd57951f4b44a2d0c4bd2ccc6c2d702e7022100a872988f0e56c4671457d0ff629ee26a03e0d072bda7d98906197f15dd4ce69a
 . . . . [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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