markwaters.collective-b.org.uk

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:b7:1e:0c:ba:d2:27:2d:46:b9:86:d1:18:26:51:99:40:6b was issued on by Let's Encrypt .

While the 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.

markwaters.collective-b.org.uk

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:b7:1e:0c:ba:d2:27:2d:46:b9:86:d1:18:26:51:99:40:6b
Serial Number (int): 149423902014906060412779250132072206516331
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: aa:e3:44:2f:a2:ec:6d:90:d6:57:dc:9c:5c:03:a1:5a:e7:60:bf:7b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 36:58:f1:05:3c:32:04:20:49:ac:8c:cc:c3:6b:bb:33:49:9e:f5:11
Fingerprint (sha256): 57:27:0f:52:84:70:88:39:00:83:a7:df:66:86:76:38:c4:cf:75:25:56:b2:45:2c:98:41:f0:45:35:df:40:35

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on markwaters.collective-b.org.uk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA



Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

This certificate doesn't contain any other subject alternative names besides the common name of the subject: markwaters.collective-b.org.uk

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGIDCCBQigAwIBAgISAbceDLrSJy1GuYbRGCZRmUBrMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNjAxMDEwOTI4MDBaFw0x NjAzMzEwOTI4MDBaMCkxJzAlBgNVBAMTHm1hcmt3YXRlcnMuY29sbGVjdGl2ZS1i Lm9yZy51azCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAL7IUg3P2lqu OOyEpw6wnmfDzOUwgGQARmmf8cUDqhyl/iiB3yCQncFzrbAnGSW2z1IXwj2SZU2O +I2gZT1CT+aSYxRoihiEX4+ohAg/iiZwDUrbLAqqkYzwPbIaLixQQqTNTqcMBEUv nakqhD+BB3IyT+XbDzpDQsu46M4xIRothTSjuUjVEFc4IBBhv7Fgaz15MEWrYxun j5dC6UHQLQrYh1mlJ4sKnoTSBPA92k0GmKcGONwEm2JJk0DAmPmOQ1HOR7sifWl9 M3sPZ1Yv7PtxiEb4NqQX7pJVwou6tZQCniDrLR2pxUrxj5b0wWx5pBq4OV68rFs3 ekH4I36ktdOQIKwpFC1jDnw5wW4V1lgndmmiZhkU23OgFKrw4/8fyp+HS9aoC0Kw dqPkR8KUz6dQKbGVaJbjtTE9beMVsXe7NXYjrS9UYbjUSDc2koi5wAREytrf21Tb nrHbL7imxp2l0iC2/ixRCBc5tVRMbtllQrZqykRlE2WPLfVDdqeGu4+I6P3jrnLQ 0JESeOeUBSpd7Zou0VqsddwOvk+CeKfXKh1O3jRhuiCrAlhrgc+UCx9vDNFOcYsE gLVoBv1i1t4T3iwHx/yImvQmaZWtMKOWaECJ6kG1pCM2luWISuviEL27N7j7defE wAz/Fb6zm/Ck1hvGgIH1Qnp0n1qe7AB5AgMBAAGjggIfMIICGzAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwHQYDVR0OBBYEFKrjRC+i7G2Q1lfcnFwDoVrnYL97MB8GA1UdIwQYMBaAFKhK amMEfd265tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYj aHR0cDovL29jc3AuaW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKG I2h0dHA6Ly9jZXJ0LmludC14MS5sZXRzZW5jcnlwdC5vcmcvMCkGA1UdEQQiMCCC Hm1hcmt3YXRlcnMuY29sbGVjdGl2ZS1iLm9yZy51azCB/gYDVR0gBIH2MIHzMAgG BmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlm aWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVz IGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9s aWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkv MA0GCSqGSIb3DQEBCwUAA4IBAQAvLVltMmRuuyS+9rLRq00sFDO1s7zKE6QS7HdB H34YvOVpCBt0VT9vflTfiyHyjpNjyZw1Cz/q2hslHy18HLtaRKYPGqNzQAG/Y44y sAGEnAuFc4lD18Gs5jaWlT6F/UEG9/+bMhT59l6w45ctELL9aFZXrF6EO4DbvbVr sBl9OGqD/wlGMkckV3PYHw98/56zSviTgoQWlJEcuwNukVKGNZfkqK1h4+/SOz/W FURpfJmGqCEw7DMNcRqEy7ANEF3qPhyo7CEoxGAORcbJtgZjhuzsmyVnqX4Cn/2U fbKJ7g9QL0f6KQnpgt2cQ8zZElBr+xfIWawHKWS1FbD7Es31 -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvshSDc/aWq447ISnDrCe Z8PM5TCAZABGaZ/xxQOqHKX+KIHfIJCdwXOtsCcZJbbPUhfCPZJlTY74jaBlPUJP 5pJjFGiKGIRfj6iECD+KJnANStssCqqRjPA9shouLFBCpM1OpwwERS+dqSqEP4EH cjJP5dsPOkNCy7jozjEhGi2FNKO5SNUQVzggEGG/sWBrPXkwRatjG6ePl0LpQdAt CtiHWaUniwqehNIE8D3aTQaYpwY43ASbYkmTQMCY+Y5DUc5HuyJ9aX0zew9nVi/s +3GIRvg2pBfuklXCi7q1lAKeIOstHanFSvGPlvTBbHmkGrg5XrysWzd6QfgjfqS1 05AgrCkULWMOfDnBbhXWWCd2aaJmGRTbc6AUqvDj/x/Kn4dL1qgLQrB2o+RHwpTP p1ApsZVoluO1MT1t4xWxd7s1diOtL1RhuNRINzaSiLnABETK2t/bVNuesdsvuKbG naXSILb+LFEIFzm1VExu2WVCtmrKRGUTZY8t9UN2p4a7j4jo/eOuctDQkRJ455QF Kl3tmi7RWqx13A6+T4J4p9cqHU7eNGG6IKsCWGuBz5QLH28M0U5xiwSAtWgG/WLW 3hPeLAfH/Iia9CZpla0wo5ZoQInqQbWkIzaW5YhK6+IQvbs3uPt158TADP8VvrOb 8KTWG8aAgfVCenSfWp7sAHkCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 149423902014906060412779250132072206516331 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-01 09:28:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-31 09:28:00 +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 'markwaters.collective-b.org.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 778324702745671178068526279545142831386197942978239810887569283520321429701473975845875396136803092819460947516989977770093153596424013622406688091327247558408623106465138804066593380198724700276231356800289995691731301861683384865469643507875409214549522387773190166582182463833804060571195634675125651248886046550817556913279137697838315411245739269694719374501534179934674722253514454185877881750149802546474588538835908376127827576088277970986530959870459520131136973971913464654794083076784743232143605479947151487135991866101318991426441046936936099284371488237518814158841473563657557775337643141103778712226180864345793806204266173257938607278116205472453331151639015415817096040145312225307269279912940814945595781493481634558199273262366392298567700409442298843309262771455233265581267697417589989896267525440296203907365637428487422998748655534621759337873113981461151078861520415565308385350481617867313770624751904382923173460168544148754041114735318991080862378453271022818235656635305438374665846247449091221599517030796248595355776260440790172368994332742516114563963865797966361404321782395459916460265113014330504229572899358548572836712360693960551785688868611962800078326515354201091222612225944277802968106664057 . . . . . . . . . . . . . . . . . . . . [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) aae3442fa2ec6d90d657dc9c5c03a15ae760bf7b . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 'markwaters.collective-b.org.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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