*.gfctech.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3f:36:a1:c4:37:51:ca:ba:66:66:07:58:a4:1b:c2:43:bb 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): 03:3f:36:a1:c4:37:51:ca:ba:66:66:07:58:a4:1b:c2:43:bb
Serial Number (int): 282847265162601617325521416185580647236539
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: de:d2:02:92:66:26:e7:2a:dc:49:1a:8c:ce:27:d7:26:1c:43:44:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cf:2b:e1:d6:9b:6d:19:d3:c6:dd:0b:e6:96:5f:36:4b:61:62:76:67
Fingerprint (sha256): 40:87:04:c5:d6:a2:61:06:e1:5e:1e:a2:a1:1b:74:e4:9d:18:b1:22:66:f4:aa:86:97:24:0d:41:41:9e:24:ef

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 *.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
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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*.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+bZJPmYxxygIsxB4/W8U
OOw1sd4kepEAqaEMrGBhrlEXrX2zrimacNJ5Rx/gWRU9R/PzWPHB0+P+QfGli3++
67igsMDcPBT0QP52c96FNuyCTYFrT6zK6ePkqW0pP+5lZaWQ6gP8sEOiA9WKLVdf
YB0u9rjwj1PSCEMpxzQl+Vx+nD3IxSZySIJVqzjqpRZfRIdLohPMYZly7NVr3Aiz
DHeZQVH9cPWIDcodtBVsGxLK6LA7Oqge6RdHH+TkhHDV1Nmzi1tng4AIL/0U7oxQ
DeVyL1L/e9IEDxVU7Sh/jrLocHVKGflWzPlWnJDR4cMlZFIjhZLa8OxpqYZubvAm
/QIDAQAB
-----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 282847265162601617325521416185580647236539
 . . . . . . . . [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 2019-11-30 23:31:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-28 23:31:30 +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: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 31523226566788953578265708054984866398168040354500136654137409684319740973872485928124997812046651206841963504445234248107973181386190286794402120091009319268668312317718626150980822028196715400761065886504614149647858925156978119138581137467784587450136464000686971625147091920982693296237611972376017650276290762318586357574421481250476055479446149565579393837166953647862268971641668896285266630925250214138960748066866544253381697768771780823434936364594880564728327320144266635110939129925396317199852513331375386527009180008959530471044418174998086565578425011013348941092108581161575977483973888087444836853501
 . . . . . . . . . . . . . . . . . . . . [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)
							ded202926626e72adc491a8cce27d7261c434488
 . . . . . . . . . . . . . . . . [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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ebede9b5400000403004830460221009353e101204a72882a6386c52f5d2c4ea384b1926efbadeca2950ac75e6602c00221009459af937cbe492b09d8bf35ebc350a1fc653f2dac2b062480218f91be84b51c0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ebede9c6d000004030047304502204306f8d25d49478e9e133e60e1e09b18b70bd9021df7134b65507f65bd6a7735022100be90befd5d06c6608fddae02c8d27f9b1e2d09cc5dd71d3014039ff4abeb9ed3
 . . . . [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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