aerosol-cdt.ac.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:3e:1f:a1:a4:ed:c6:d3:b6:37:07:a5:49:bd:36:59:32:18 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=aerosol-cdt.ac.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:1f:a1:a4:ed:c6:d3:b6:37:07:a5:49:bd:36:59:32:18
Serial Number (int): 282476409917196264664442119878463693861400
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:cf:32:3f:c9:b7:c6:95:27:4c:bd:39:b4:73:b6:61:7a:09:87:53
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 02:72:c5:7d:98:32:f7:c1:7d:14:b6:5e:2b:e1:79:e9:7f:92:0f:1d
Fingerprint (sha256): 91:67:52:cf:c1:3f:ce:50:f2:4b:d8:17:35:3b:bc:a5:b3:4d:80:b4:82:ec:70:89:47:28:50:73:c1:2a:15:d2

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

Revocation information

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

Check the revocation status for certificate aerosol-cdt.ac.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for aerosol-cdt.ac.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

aerosol-cdt.ac.uk
www.aerosol-cdt.ac.uk

Other certificates including the domain name aerosol-cdt.ac.uk

(limited to 100 certificates)
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
blogs.bristol.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk
blogs.bristol.ac.uk
aerosol-cdt.ac.uk
aerosol-cdt.ac.uk

Certificate

The complete raw certificate details for aerosol-cdt.ac.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFBzCCA++gAwIBAgISAz4foaTtxtO2NwelSb02WTIYMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA4MTgwOTU3MDlaFw0yMzExMTYwOTU3MDhaMBwxGjAYBgNVBAMT
EWFlcm9zb2wtY2R0LmFjLnVrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEA9O8Kbh/5r6zLrRpgtRTC1t+e946O0690gKKJyNOTvAoZrBqvtPSc19+1UCwb
3Vl2EBUMoyj3vzRseod1j3tok4MlQOmuu799zBI4qiUK21S1LnhCHMXIItVc13Q2
PHfq1jGeF+OH4vWThPjRt2aURuLMBFYVGf/CCEF8dXoAhFJDSTE10EAUSkPdXguX
Bgh198gAVYxmV2VdnjiRldK6sxuKDJ0k8RIW3qJo3VfC2HxDurLwWFz/Ct/iFSOy
Wb9aIfs+NbEtCVpiN/f61KAHMkUfT8iiQ3guPXJu6bSs1YXQrbEj24vgrFSWREsR
8KeDn5c+s2xm/cZVnNum9HAIaQIDAQABo4ICKzCCAicwDgYDVR0PAQH/BAQDAgWg
MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G
A1UdDgQWBBQszzI/ybfGlSdMvTm0c7ZhegmHUzAfBgNVHSMEGDAWgBQULrMXt1hW
y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6
Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu
b3JnLzAzBgNVHREELDAqghFhZXJvc29sLWNkdC5hYy51a4IVd3d3LmFlcm9zb2wt
Y2R0LmFjLnVrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBQYKKwYBBAHWeQIEAgSB
9gSB8wDxAHcAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGKCEq6
WwAABAMASDBGAiEA2bk3HDOKzu8J1AtBvkQmDzjCzl50A1QYuDDhsGGciNoCIQDs
Ho2kSNvkwG7yDCNNZpgUuc+V0UKbPOKIXqUtX8B+gAB2AHoyjFTYty22IOo44FIe
6YQWcDIThU070ivBOlejUutSAAABighKul8AAAQDAEcwRQIhAMuNYsVWnhMeCCnF
tPcjna6ef3Zj3lf2GtQKPjyfrKFFAiBh4s9OTuLwN0Sn/JxatTol4lPS1QJuKOLS
KDsdb+6y3DANBgkqhkiG9w0BAQsFAAOCAQEAYk9JivaelKLTgaYaXKqvikOXV2P3
uuIMW0upnsXMJQnAGLVDnPRf84SnH1d4UuuOYhoPXmlR7mAY4S0zts1s2kt0UwUu
SVmIEECZ+5zeVtiGbFa203+/JB+rnEAmnQ5VA755HcEAxmaMFfO/y+pPkvXy7wzz
8LIRZTyi6d+FrMtwnAtH6XbLi6r9Vh/XhhIVg3BzfQ8jX4DO7gAwTa7M0kr7FXLw
JouAijxZzqC3c6kVe7r+/Sd0S41iBSoaOcHKzu5vVpb9MiRyL9zN9GdL5Fk/e2qr
gPltEcCOBy+s2ADdZGIFtqMtNPJXP8TvhjAC8ppGt/Vy6gv4uAIAWqfp+Q==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9O8Kbh/5r6zLrRpgtRTC
1t+e946O0690gKKJyNOTvAoZrBqvtPSc19+1UCwb3Vl2EBUMoyj3vzRseod1j3to
k4MlQOmuu799zBI4qiUK21S1LnhCHMXIItVc13Q2PHfq1jGeF+OH4vWThPjRt2aU
RuLMBFYVGf/CCEF8dXoAhFJDSTE10EAUSkPdXguXBgh198gAVYxmV2VdnjiRldK6
sxuKDJ0k8RIW3qJo3VfC2HxDurLwWFz/Ct/iFSOyWb9aIfs+NbEtCVpiN/f61KAH
MkUfT8iiQ3guPXJu6bSs1YXQrbEj24vgrFSWREsR8KeDn5c+s2xm/cZVnNum9HAI
aQIDAQAB
-----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 282476409917196264664442119878463693861400
 . . . . . . . . [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 2023-08-18 09:57:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-16 09:57:08 +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 'aerosol-cdt.ac.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 30920021795304530434454460809189345916055109134861560643686791512222947627757930423914133062093605910147579416698425996918450411754336986932167754414078641645440938249744910307944315745041250846586468940730631971290310483150183803350518153848140610865324629418771829446082605892844250905426144151644719112586608918242058707649114895903767991124224144063360965935059448650386260090989408223719849601679249892221770567501901031400818013573359381374971110985839416566306560521067423039189963276219828731956805044582496958514642385157676845682575731049429237011891650366196129179123770253002160732376777851776131981641833
 . . . . . . . . . . . . . . . . . . . . [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)
							2ccf323fc9b7c695274cbd39b473b6617a098753
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aerosol-cdt.ac.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.aerosol-cdt.ac.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 (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)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a084aba5b0000040300483046022100d9b9371c338aceef09d40b41be44260f38c2ce5e74035418b830e1b0619c88da022100ec1e8da448dbe4c06ef20c234d669814b9cf95d1429b3ce2885ea52d5fc07e800076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a084aba5f0000040300473045022100cb8d62c5569e131e0829c5b4f7239dae9e7f7663de57f61ad40a3e3c9faca145022061e2cf4e4ee2f03744a7fc9c5ab53a25e253d2d5026e28e2d2283b1d6feeb2dc
 . . . . [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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