chi.smarttuna.com

Issued by R3

About this certificate

This digital certificate with serial number 03:20:34:a2:82:a9:23:c7:80:05:40:26:9a:81:e1:6e:05:71 was issued on by Let's Encrypt.

With 4 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=chi.smarttuna.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:20:34:a2:82:a9:23:c7:80:05:40:26:9a:81:e1:6e:05:71
Serial Number (int): 272295857194736550133935950487650510439793
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2a:f7:0e:11:40:e4:93:a3:95:fc:d2:33:f9:52:ac:c0:6b:5c:e4:1b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 58:3c:e3:95:73:d0:d5:ce:73:1e:81:f6:23:2d:ca:62:7c:a9:c8:b7
Fingerprint (sha256): 4d:67:0e:6c:02:6d:6b:8b:05:a0:73:98:b3:56:5b:bc:6d:be:ab:09:41:f1:b1:3f:0c:85:cd:3c:1a:1d:0d:e8

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

Revocation information

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

Check the revocation status for certificate chi.smarttuna.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for chi.smarttuna.com

Public Key Algorithm

RSA

Key Size

3072

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

chi.smarttuna.com
graduates.uoc-conservatoire-tt.co.uk
uoc-conservatoire-tt.co.uk
www.uoc-conservatoire-tt.co.uk

Other certificates including the domain name smarttuna.com

(limited to 100 certificates)
oocnew.smarttuna.com
chi.smarttuna.com
ihep.info
smarttuna.com
chi.smarttuna.com
smarttuna.com
www.smarttuna.com
www.smarttuna.com
companycentral-new.smarttuna.com
ihep.info
chi.smarttuna.com
www.smarttuna.com
stjudes.smarttuna.com
smarttuna.com
ihep.info

Certificate

The complete raw certificate details for chi.smarttuna.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEAj18XyUKs5yFJ/lLWJMpn
QRl98k5CuvVT+Qi5c/a0vd25Eui0v7xYmQb+gUzX2cFAH/KeCvvDz+xfCIuDig9K
cylFSKHYgfvQLQ0gnPoiALIFCYVQ+oKVxP3i7wGhK8+82D9pXT9sFCTRVHRWxNRu
3VU8kKVBEC9bSCNmR4sbeOQKcVi4GgiWghmvNKK7DReA51PpG/QzlqEBWhhpVhK5
WYN8EnzJAlOvKlU3Dhmr7qG3MdUxn6lZ+thKSoHauCEOm1Xc0cNC2IDTlQlx7Lvt
bCdvSXiQYALBrr/5gX2K5bFmLFoiZne4mVfT/7G7y7XmbT64scCkI2qyd9myW9MC
wNWd0D/LbZGEkyhwgEip0+a11H/5Yem3j5I0hSiczu98JjUjjpEdlkg2Uzx5aJWg
680ygbBrDS7JMcGh2Yjkc4opwLNQUfT2UU8P3tnzuh2cSfCdt7BJOOgp0+u5R4IR
SgHixcxRGSnkBvKChc8NmQ/DVlfDS06lyWhEjIC2DXnfAgMBAAE=
-----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 272295857194736550133935950487650510439793
 . . . . . . . . [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 2024-01-17 08:01:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 08:01:03 +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 'chi.smarttuna.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 (3184 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 3253639353120400673401974199869773940301412474033014299680038276674834455032960710590060157325081969811882439623556663864807702026904647032174423919490890985173682552120838399934242424823109769184433958765809282168317495090873294882736150686866726402763631371459551095172579590327200324881594809514408611298129566955084017726781664550765596656767535061520418920682668090328930897097101914188183916535530720017772701969399177933657959982925463692244164090527831575666559588088768992477142577745722648331565276155382949275877920066683374798670390880088940996005663133064708696040039874707091246413476348469927595847439228167831177792681134309278665603593590400302739470182104143474158739220184666690790184320912085151035853110226331989249764612041362402273502280743639364507611760479471888689934697201782124092674816139208250034353302123440222347060587487302117123348995009361203928937577126503297065562879436934106817751775711
 . . . . . . . . . . . . . . . . . . . . [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)
							2af70e1140e493a395fcd233f952acc06b5ce41b
 . . . . . . . . . . . . . . . . [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 (119 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'chi.smarttuna.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'graduates.uoc-conservatoire-tt.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'uoc-conservatoire-tt.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.uoc-conservatoire-tt.co.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)
							00ef007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d16a712b3000004030047304502206fc01562cf228d5e5d32c92eae60350851400cdf8821d3babaaf2d7211bc20d4022100f33add6fcca3843cb69c0ca30d8c632b333bccb1413764ed0ec4899693829f44007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d16a71317000004030046304402205a76afedb598b3071edd93c1a4eaad364b7eb6539372f0a9f6233e3a5ebbed4e02202e123100348c5bdbf57232735020b292730dfcb600b48937eeb9f52c37367428
 . . . . [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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