tus.ie

Issued by R3

About this certificate

This digital certificate with serial number 03:76:7f:d9:04:f2:a3:a5:15:2c:ba:3f:9f:e8:5a:7e:83:af was issued on by Let's Encrypt.

With 6 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=tus.ie

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:76:7f:d9:04:f2:a3:a5:15:2c:ba:3f:9f:e8:5a:7e:83:af
Serial Number (int): 301660115876187964374418617353088943424431
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:f1:d4:8a:20:47:3e:0f:67:85:e4:0e:0a:58:b0:89:38:cc:cc:68
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): eb:0b:c9:00:17:52:58:6d:ef:e1:d8:8a:1b:a2:28:dc:be:dc:2d:9f
Fingerprint (sha256): e1:bc:17:f9:de:d1:bc:b1:7d:3f:52:05:8c:84:26:7c:61:67:d8:6f:c3:72:6c:29:2e:4f:94:a9:7b:0b:7b:f3

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

Revocation information

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

Check the revocation status for certificate tus.ie

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tus.ie

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

ait.ie
lit.ie
tus.ie
www.ait.ie
www.lit.ie
www.tus.ie

Other certificates including the domain name tus.ie

(limited to 100 certificates)
tus.ie
moodle.midlands.tus.ie
tus.ie
moodle.midwest.tus.ie
tus.ie
tus.ie
*.tus.ie

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzXZIfr2+XLnbOYpTsr99
STN0j5qxPgu/HvLLyn1UzRpZ2+jYjgJoAk3XFQ2mkOEORTf9z/jI8a7NdexJFvnT
0MB1Q3UVsDz9o+OtorrP3VzKKigy5KdRjXtiwGr6KdyP5ZJqHUiHdtg9R88IXbeO
tnBphYXTJ9CB/WSAhT+N94446g9CJV6z1pz4THb1O8sFmEucPV/yIWKdS8oZ5QbF
z3xwsfkbsyuLk1frwt7gbUgqAfffZKteSia3qKa+olVTiYHI7ZOT4evGJpo7zHiL
eFhPve5oHmbxtbQIyz4vaHgH40B4r+Vldppme4kTyz7JOy1dcfDB3UdT+k7B+8DU
RwIDAQAB
-----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 301660115876187964374418617353088943424431
 . . . . . . . . [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 2023-12-30 10:29:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-29 10:29:34 +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 'tus.ie'
 . . . . . . . . [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 25937180129931366823922639036506741458039092346488769186470991485292684825843892624556835595427846484920958578507210648950172594152920363529897853857493763465974022048405668637414235969994656965743950217293324996908160052630282851124429095757178243292341506357445572147251891487700454385127725980649094096448670625823003145304378588673381627317385542085118515443114270312754645666539167098700605009224139163368983730162551181269361395584858311952956662076748834428832691530546628418559598493765752115697085181878531914205019530882934130052871072926901632070751204851999540664732718013750795585724452610735974064903239
 . . . . . . . . . . . . . . . . . . . . [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)
							baf1d48a20473e0f6785e40e0a58b08938cccc68
 . . . . . . . . . . . . . . . . [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 (62 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ait.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lit.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tus.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ait.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lit.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tus.ie'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cba7c946e0000040300483046022100ce38b375902cc8ec67694322262fbc21003c6045a9940dec39db4b6cf725c8de0221008a5c670700c8365a0e27ab1865f348c75036788a3767310a08ddf531308b069600750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cba7c94ab000004030046304402204b64c5440e3213b1d64c99767026c01ab2780ec0b558e774c6db7f0e09d748e602202db443f27e952eafc6aac6bc72fe6f8af02c49f9595acb7eff7595ff9007fa04
 . . . . [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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