www.responsiveflexibility.com

Issued by R3

About this certificate

This digital certificate with serial number 04:37:10:b0:84:78:16:14:36:97:ba:fd:7d:69:f2:48:8d:8a was issued on by Let's Encrypt.

With 8 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=www.responsiveflexibility.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:37:10:b0:84:78:16:14:36:97:ba:fd:7d:69:f2:48:8d:8a
Serial Number (int): 367186858086664543150881684549199347617162
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3e:3c:d2:c8:0b:e4:c8:e5:00:6b:ce:6a:34:e3:1e:2b:e0:49:74:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 51:2d:3b:7a:35:92:4b:4b:7e:59:fa:ac:da:37:cc:79:5f:eb:92:24
Fingerprint (sha256): e4:11:a0:d5:66:8c:44:44:8e:87:29:07:31:bf:d0:96:2b:d5:75:17:94:f9:42:c7:9c:4b:c3:7e:a1:de:47:cb

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

Revocation information

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

Check the revocation status for certificate www.responsiveflexibility.com

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.responsiveflexibility.com

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

reflexorkney.co.uk
reflexorkney.com
responsiveflexibility.co.uk
responsiveflexibility.com
www.reflexorkney.co.uk
www.reflexorkney.com
www.responsiveflexibility.co.uk
www.responsiveflexibility.com

Other certificates including the domain name responsiveflexibility.com

(limited to 100 certificates)
responsiveflexibility.co.uk
www.reflexorkney.co.uk
www.responsiveflexibility.com
www.reflexorkney.co.uk
www.reflexorkney.com
www.responsiveflexibility.com

Certificate

The complete raw certificate details for www.responsiveflexibility.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFuDCCBKCgAwIBAgISBDcQsIR4FhQ2l7r9fWnySI2KMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMTcwNjA3NDNaFw0yNDAzMTYwNjA3NDJaMCgxJjAkBgNVBAMT
HXd3dy5yZXNwb25zaXZlZmxleGliaWxpdHkuY29tMIIBIjANBgkqhkiG9w0BAQEF
AAOCAQ8AMIIBCgKCAQEAp+o3DEC+1Z6u+JkPLAePTXlf+r9WAecmeAm7NoONMNg+
QnvPDwE5RCHrjKggnIa2rveMFcapXYwVJRuvRnKZXxa+H2HkVk5h06IMFQtHg4fA
C3+HOoLjEokYhHYtqUJcE26VNrPKFoEr1geg6SiCHkZKj2tnNPlvBcqisqemr8yu
QH+xISwew1DRn0riTmPo9Pbfj0g7ZrM4KJ0ZKmnh33f8ObXrfAdO5Rb/NYi8Wwmj
Ozr11ySE9U3D8ri1P0SofIxtPSLktqS2R9bmyxyKPEB0S8xoj297hwbpjqiMtl16
AvsPULw3LINoe+d2+88TLb8I8rDayDzeN8H/xvYkwQIDAQABo4IC0DCCAswwDgYD
VR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNV
HRMBAf8EAjAAMB0GA1UdDgQWBBQ+PNLIC+TI5QBrzmo04x4r4El0/TAfBgNVHSME
GDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYB
BQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDov
L3IzLmkubGVuY3Iub3JnLzCB1wYDVR0RBIHPMIHMghJyZWZsZXhvcmtuZXkuY28u
dWuCEHJlZmxleG9ya25leS5jb22CG3Jlc3BvbnNpdmVmbGV4aWJpbGl0eS5jby51
a4IZcmVzcG9uc2l2ZWZsZXhpYmlsaXR5LmNvbYIWd3d3LnJlZmxleG9ya25leS5j
by51a4IUd3d3LnJlZmxleG9ya25leS5jb22CH3d3dy5yZXNwb25zaXZlZmxleGli
aWxpdHkuY28udWuCHXd3dy5yZXNwb25zaXZlZmxleGliaWxpdHkuY29tMBMGA1Ud
IAQMMAowCAYGZ4EMAQIBMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAO1N3dT4t
uYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGMdponSQAABAMARzBFAiEA8Tjm
vO4DER84HeWpOHPvOVe1jlXgJRHiOlZFNq/bOzgCIEWkUColNzrGPRTDFuyXtfR5
cmz12l6MRz/xLU6Q4KnjAHcA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEf
tZsAAAGMdponWQAABAMASDBGAiEA74CAxuC59hjxuFhWy0WliXZpFuN7xVzLX0l6
vTbpZZ4CIQCX43TQ0/2HcNk6S94IWibiyrM67KD1XwvwbCQxm+mUDDANBgkqhkiG
9w0BAQsFAAOCAQEAehfvOpx8QxE6pw9DGOww/wc2dnWHLBJP5SJSe5flhnPmwabH
MO+Hn6mWFacPajfksGD4/Uk9A1rFsCK8Wdp1bR+c2//MZXq2RI+mhxeOvQHwTVVs
rBck7sAMS2xcQHBYEk2mSIsZCcdSgOLZoLNwYFC/dAgOw84K4dOgQ27uwPlQ/IDD
Tql3NPmctM0jC/FGmEGj2yxskBIhS8Ye+F6XMmqBWbemFCHqlqfrmyQXhCiOdItH
uY8gyHHp8BkvzH3UcS0/Ke+Qx5pCzbcGe0T2PwqkR8lSOTaWDGdA9Pp+l413T9lA
bTVf87qySmgJSlFLyKaycwHVEzf4nOr9mJGVjQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp+o3DEC+1Z6u+JkPLAeP
TXlf+r9WAecmeAm7NoONMNg+QnvPDwE5RCHrjKggnIa2rveMFcapXYwVJRuvRnKZ
Xxa+H2HkVk5h06IMFQtHg4fAC3+HOoLjEokYhHYtqUJcE26VNrPKFoEr1geg6SiC
HkZKj2tnNPlvBcqisqemr8yuQH+xISwew1DRn0riTmPo9Pbfj0g7ZrM4KJ0ZKmnh
33f8ObXrfAdO5Rb/NYi8WwmjOzr11ySE9U3D8ri1P0SofIxtPSLktqS2R9bmyxyK
PEB0S8xoj297hwbpjqiMtl16AvsPULw3LINoe+d2+88TLb8I8rDayDzeN8H/xvYk
wQIDAQAB
-----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 367186858086664543150881684549199347617162
 . . . . . . . . [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 2023-12-17 06:07:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-16 06:07:42 +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.responsiveflexibility.com'
 . . . . . . . . [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 21197292665562197048154084434515305989428610294452049319710814454227466313646547365634875467033957707552440940734391404387745569164854863627640433530199632999886507887725157947030501924609330499407071072928283044266031441871926391500937579978744461903426560834426614079991593152432220873166326097250898885144481781064861666620375789454111853037632165798025840219463897044746968436375747935934786652706279697548653496381623314676846269209943980030796757405349435471594182034584484073597767685777479461934819975841989415075357391934581692744523763619094227860213140562028172127650638270156132982714061840680233037341889
 . . . . . . . . . . . . . . . . . . . . [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)
							3e3cd2c80be4c8e5006bce6a34e31e2be04974fd
 . . . . . . . . . . . . . . . . [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 (207 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'reflexorkney.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'reflexorkney.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'responsiveflexibility.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'responsiveflexibility.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.reflexorkney.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.reflexorkney.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.responsiveflexibility.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.responsiveflexibility.com'
 . . . . . . . . . . . . . . . . [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)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c769a27490000040300473045022100f138e6bcee03111f381de5a93873ef3957b58e55e02511e23a564536afdb3b38022045a4502a25373ac63d14c316ec97b5f479726cf5da5e8c473ff12d4e90e0a9e3007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c769a27590000040300483046022100ef8080c6e0b9f618f1b85856cb45a589766916e37bc55ccb5f497abd36e9659e02210097e374d0d3fd8770d93a4bde085a26e2cab33aeca0f55f0bf06c24319be9940c
 . . . . [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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