simongladwell.co.uk
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number 5d:d7:01:18:98:ab:8b:80:c8:05:62:db:ef:a5:1e:32 was issued on by Sectigo Limited.
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=simongladwell.co.uk
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): 5d:d7:01:18:98:ab:8b:80:c8:05:62:db:ef:a5:1e:32Serial Number (int): 124734569663716774706738586738936323634
Serial Number lenght: 127 bits, 16 octets
SubjectKeyId: d8:e5:da:0e:e1:c2:33:78:dd:78:15:33:d5:af:d0:56:8e:71:fe:75
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 50:45:a5:0f:2e:64:4e:ee:82:55:6c:2d:44:0b:9c:7f:9c:f5:62:f8
Fingerprint (sha256): 91:cf:9c:ca:e3:3c:38:40:c0:a8:9b:85:bc:75:30:dd:9e:20:46:7f:90:de:63:59:fd:2a:aa:33:92:37:34:bd
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate simongladwell.co.uk
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for simongladwell.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
simongladwell.co.uk
www.simongladwell.co.uk
www.simongladwell.co.uk
Other certificates including the domain name simongladwell.co.uk
(limited to 100 certificates)
www.simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
www.simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
www.simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
simongladwell.co.uk
simongladwell.co.uk
www.simongladwell.co.uk
Certificate
The complete raw certificate details for simongladwell.co.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFzzCCBLegAwIBAgIQXdcBGJiri4DIBWLb76UeMjANBgkqhkiG9w0BAQsFADCB jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB MB4XDTI0MDEwMzAwMDAwMFoXDTI0MDQwMjIzNTk1OVowHjEcMBoGA1UEAxMTc2lt b25nbGFkd2VsbC5jby51azCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB ALomglAZ+TpcVEfk0/avi4gifCqepFT5s9q+mkSARPFjiegRhOST3Ot4terS62AA Ba4rNudq0n6J2CekFiHUrJxFqVRHmex2S3VnjRetCB6+gPTDvSps+nmISNopnRWf l8iGvhN6klNmCPhxRNIw4EsTVJuxecdLQfpnu9Yq2/NeK5gEA5cr+lbRWQXYtMQo ez8czI2K+3ofrgqV71yA+c3Fne22FRNpkCY/L2pSnTdLQP6lPwslfNWk35Xom6Na q4K2+q/GlPihdQY0uFqeHuUKWofeIIQHSLYM/PNQ72MWrcRg3c5Enn8FSeTbpRrr fGdtPnvU73/SRfnYFnT8A4sCAwEAAaOCApUwggKRMB8GA1UdIwQYMBaAFI2MXsRU rYrhd+mb+ZsF4bgBjWHhMB0GA1UdDgQWBBTY5doO4cIzeN14FTPVr9BWjnH+dTAO BgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcD AQYIKwYBBQUHAwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMGCCsGAQUF BwIBFhdodHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQGCCsGAQUF BwEBBHgwdjBPBggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNvbS9TZWN0 aWdvUlNBRG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAjBggrBgEF BQcwAYYXaHR0cDovL29jc3Auc2VjdGlnby5jb20wggEFBgorBgEEAdZ5AgQCBIH2 BIHzAPEAdgB2/4g/Crb7lVHCYcz1h7o0tKTNuyncaEIKn+ZnTFo6dAAAAYzQ66f4 AAAEAwBHMEUCIQDSjGvEcpfRZnnxjM+Lb9gB3KzBniLm6Nb7PhJ55phBTQIgHPW0 mkak9sjEys9Yu/Bu45nQyjiwRXY4I/nz73h/FDsAdwA7U3d1Pi25gE6LMFsG/kA7 Z9hPw/THvQANLXJv4frUFwAAAYzQ66fZAAAEAwBIMEYCIQCx2Can3JYK2H0ckSgM +Lm2Bpuy834amR7qymX62aheuAIhAPqpsEW6CdHp/P6EbuwnENJfs2MqadMOgmA+ 6vDPHx5jMDcGA1UdEQQwMC6CE3NpbW9uZ2xhZHdlbGwuY28udWuCF3d3dy5zaW1v bmdsYWR3ZWxsLmNvLnVrMA0GCSqGSIb3DQEBCwUAA4IBAQCJeG3+GUsg0Vjjtj8c EDIW9kS8hlcO/FnEsTojZJemk1jEk9h6AIcuAf22zu+qXhsjB9QxI65Yc9qCLfEX ACCSuHoX7GE0SUI51oWSRULnXxFCoUme4w1M/RZGiHgWucKNJPbuAvpjlHccRbeI DemNzSnrd/3JmxGZ78vvXTjIAp72NQ/+WQM5Zipv++r8YU4Cxnk2GUuyW5z1igfq 452Gq12X9VAP4TEmtB+wFl+axwCYd/40thKRoHV/fLRjFonCEJFWR0U5fTzede0o skQZ0rVUnesAbDTpk+6Xbu7oJQHcnl0pRb2nhfCbIc1xRthElz0mnnTYLXoQzZ2F Kzlg -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuiaCUBn5OlxUR+TT9q+L iCJ8Kp6kVPmz2r6aRIBE8WOJ6BGE5JPc63i16tLrYAAFris252rSfonYJ6QWIdSs nEWpVEeZ7HZLdWeNF60IHr6A9MO9Kmz6eYhI2imdFZ+XyIa+E3qSU2YI+HFE0jDg SxNUm7F5x0tB+me71irb814rmAQDlyv6VtFZBdi0xCh7PxzMjYr7eh+uCpXvXID5 zcWd7bYVE2mQJj8valKdN0tA/qU/CyV81aTfleibo1qrgrb6r8aU+KF1BjS4Wp4e 5Qpah94ghAdItgz881DvYxatxGDdzkSefwVJ5NulGut8Z20+e9Tvf9JF+dgWdPwD iwIDAQAB -----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 124734569663716774706738586738936323634 . . . . . . . . [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 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'Sectigo Limited' . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-03 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-02 23:59:59 +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 'simongladwell.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 23499314236471588308509330356528540805918763454499950883001895949266947730320364319351638191861495091688390810074170551447024816847386967412365760411144172700818079574395452705712404493769302482157013951627139554832164763624017620980879527198903691589162132818951806006078668066755188330888928115696033040033429396108333828751956436441753191599128869353053154272490295827189977864167833661607538320852067202132772506766831170625801530605251708213515319158346110898807751492105766096472667265492252361887596924093575944406975970311717921074043989249194517944577328647663526459468321249166937956556706385612890175177611 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [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) d8e5da0ee1c23378dd781533d5afd0568e71fe75 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com' . . . . . . . . . . . . . . . . [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) 00f100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cd0eba7f80000040300473045022100d28c6bc47297d16679f18ccf8b6fd801dcacc19e22e6e8d6fb3e1279e698414d02201cf5b49a46a4f6c8c4cacf58bbf06ee399d0ca38b045763823f9f3ef787f143b0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cd0eba7d90000040300483046022100b1d826a7dc960ad87d1c91280cf8b9b6069bb2f37e1a991eeaca65fad9a85eb8022100faa9b045ba09d1e9fcfe846eec2710d25fb3632a69d30e82603eeaf0cf1f1e63 . . . . . . . . . . . . . . . . [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 (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'simongladwell.co.uk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.simongladwell.co.uk' . . . . [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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