taglab.ca

Issued by R3

About this certificate

This digital certificate with serial number 04:c0:6e:9c:42:c4:05:95:47:e6:65:dc:5f:83:03:0e:d6:ed was issued on by Let's Encrypt.

With 8 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=taglab.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:c0:6e:9c:42:c4:05:95:47:e6:65:dc:5f:83:03:0e:d6:ed
Serial Number (int): 413930384607876925338933390892239206405869
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 76:b4:c2:d9:ab:02:58:d3:fb:c3:5c:85:f5:53:b2:00:a9:96:b2:3a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b3:70:fb:c6:26:b5:01:81:f4:c4:af:91:12:8f:75:85:c1:cd:81:54
Fingerprint (sha256): 0b:fa:eb:e0:a9:fc:db:21:05:ee:b3:8e:e5:bd:e0:1d:75:55:5c:27:71:60:6d:5e:15:04:79:81:84:5a:6b:95

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

Revocation information

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

Check the revocation status for certificate taglab.ca

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for taglab.ca

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

cosmin.taglab.ca
ron.taglab.ca
taglab.ca
taglab.toronto.edu
taglab.utoronto.ca
www.taglab.ca
www.taglab.toronto.edu
www.taglab.utoronto.ca

Other certificates including the domain name taglab.ca

(limited to 100 certificates)
taglab.ca
taglab.ca
www.taglab.utoronto.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca
www.taglab.utoronto.ca
taglab.ca
taglab.ca
taglab.ca
taglab.ca

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA47GwevHDGTBCw1dx6FRo
vK3vaEYXLcjP5T9cXrl7Wdz7LsWW5nb5f3Tfga8UQcIPM7GN2dVhcS2wsOmOg8IO
GS91eyRZGb32IU8RUzfdVDJRrVpv3+kvUTpOplNj3cyJiBIZ4W0CGEMX5tvVLi5I
yKSUXSUa0uBuz3MSVHUKLPPyQK4xzMLAAdLMEvxjDuFQ4+BhT5wbdfZk40noq36e
hkDl7CVQ9C6ON34CQVqG7P0ibuypJ+k7GMh88PsD7AIabIfkt18CmjJBWIJyt7ZV
bDjjy8ixcaWsQd2/hmkPg7AWMuF7i9g14CPpEPQKbArjhH5tuvqCq036zwTNnWqy
FwIDAQAB
-----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 413930384607876925338933390892239206405869
 . . . . . . . . [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 2024-03-19 02:26:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-17 02:26:29 +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 'taglab.ca'
 . . . . . . . . [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 28743717124305057697853084376965976873910187090135577065384549986925566069025640598912372310610081757729100734343608130849976137801026420764847615175210403839949561385424347455848246585764858045138891608617202382571774833099036080630539211189843658565928920571437134674527997206488559674306389761110889320706037523005050082980656829267910053604576485113323615082499612774273190187814480906771636518817983014115104552544774263050495105275307412776331680775984583156840371395293931163956359373325276430941363665697454156734538719463172668858289146838937545373102099125557761365801939806838200773723712855659441115804183
 . . . . . . . . . . . . . . . . . . . . [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)
							76b4c2d9ab0258d3fbc35c85f553b200a996b23a
 . . . . . . . . . . . . . . . . [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 (150 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cosmin.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ron.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.toronto.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'taglab.utoronto.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.toronto.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.taglab.utoronto.ca'
 . . . . . . . . . . . . . . . . [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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e54bf0ce60000040300483046022100904b79991dcf64a670ac4e8f285b6129e2cfdfd945e0f01c7fc05751ef4016e9022100f930bc771475a956fceb5c551fd9e0948be2ec2dfc5bf276ee89afbc0f6b29a700760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e54bf0edf0000040300473045022100c040d35dc5b51449d906ad050736822ca13148b77355cfddf68c71014921fba9022015cf9761a5b2e20c31a50a7ab2f358ab5a18e4bb256e08d00533d59b9bfda260
 . . . . [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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