aerosol-cdt.ac.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:fb:89:13:14:69:9c:ca:69:5e:06:f4:df:7e:84:c9:b5:e1 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:
  • 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=aerosol-cdt.ac.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fb:89:13:14:69:9c:ca:69:5e:06:f4:df:7e:84:c9:b5:e1
Serial Number (int): 346929935195514813404653320447176443803105
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 90:8d:e2:f1:20:c4:ac:b3:96:40:3f:08:d2:88:fc:32:d2:5a:88:cc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0d:e7:9a:5f:19:30:eb:10:ad:68:15:c5:02:75:f9:88:91:75:bf:11
Fingerprint (sha256): db:99:42:79:20:1c:1f:27:cd:77:68:21:ca:d3:2a:82:35:7d:fc:41:94:8c:ec:35:3f:50:04:df:fb:0e:b0:15

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz2y8k3LTdgqVbp0qDstA
W7bnuiA3tXuwzPUHyV/R97Yse9iGdiYmo51RhdfaBNH/E7v2BDp+IchX2D5AzxD6
3+iDsAYs1dZDcJBEe+WrgqXas2b6HhzF+0F7ovXywDq39LPTGupTBRwyVZ+10p6G
uqQQfRAFFNVTgjL/5ZTFnl9/14kGxXGEx/74UKodawXQNRz6ABl5mpCpaDJfe5DV
qgiOVLMncLT+wH+n7Qvl7E0A183DS+L06kGK9aIA/RR5Y+EMIO9NLSdn3DR1PgDj
QnEGciSaO1QTzghDNrLRQMz+RqwdiIG/OsPrvjRX5TTyp+KAHi8WZn3YObpToNV6
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 346929935195514813404653320447176443803105
 . . . . . . . . [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 2024-01-30 09:43:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 09:43:46 +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 26184949156151316529867595733406538619298382953038272857712684226865925892942445731013327945965093297884439735076636949678869375174957579927489662154403962766252834201239825557099807075299229290448753946002119234455093574292085295162463291687639655946634476285834516715834922539642216492925251729633991029198483628944329134861856035127450994148379772032220065267323684441959829771915505515101306858212774740079629135138137826251094781090402077559311611852735141699408815620881647457540390882794497235179521962192141396742603712218586243803728853179841964469913572114760843038592529210009440567587859100612241260903051
 . . . . . . . . . . . . . . . . . . . . [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)
							908de2f120c4acb396403f08d288fc32d25a88cc
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d59f7c9490000040300473045022100e8ac02a7123c6b60aa77dc9bd846645ad76d2bbc36ffb9d29e07348d23812a8902204d4528bafb9473b2b1be46fffb835b5347f21f2c3713ee92256b41b6e79e757e007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d59f7c9590000040300463044022027a90851f655439d2b9b257fa8fe72b005c897bedf8e6590506e4fc58cc8a6da02207c8ff5ced65a92cf735761dfaacf36f5961d432e157f6ea6a29043f4b583ca66
 . . . . [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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