taglab.ca

Issued by R3

About this certificate

This digital certificate with serial number 03:64:8b:bd:f9:ac:8f:5d:2e:48:6c:b0:03:6d:ad:12:da:8c was issued on by Let's Encrypt.

With 8 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=taglab.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:64:8b:bd:f9:ac:8f:5d:2e:48:6c:b0:03:6d:ad:12:da:8c
Serial Number (int): 295550843586886556941754514379088373930636
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c7:8b:cf:8a:f1:4b:cf:a9:e3:46:2f:7a:61:ee:7c:65:63:f4:f3:a2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): dd:07:5c:d6:db:ec:6f:bf:a2:c9:cd:d9:2b:67:49:66:67:25:d4:13
Fingerprint (sha256): ce:db:42:6d:a4:94:6b:50:5e:21:ff:d8:e0:2b:3c:d5:48:27:e2:8f:be:71:b8:de:2d:31:6f:24:53:78:ae:3c

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtaBUTAaKtYItTxF5y87k
do8dqfyGnVNYq99QXKVAJACK8xigJi45dhOvqL763whNlyDgYSoAguTdt1l3e7gj
7JMAJWRzolG4d5R9UAxtXwB0Xr4T6HJkwyI/RhUStVKsIdiGLlCR73y6EHEbm86I
95iTWRs9Qpw4taJUEw+vwwBfIx/3eBwbhbWMyIRAJ6NuDSABtI79lOKpkNTHRTeh
cYzxqCdAFmGUTrIMxb3LM38Qx7IcvyLAtz0LiXYXE4uX5f7YbcE8jyjgHX2Q3Iej
C7XMll8A5Ee3U1fBEaplzEAlxz91HT7RqrjhSFFEkNA3xqq5Y34NjHIXcJQe0BrP
wQIDAQAB
-----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 295550843586886556941754514379088373930636
 . . . . . . . . [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 2023-07-22 02:23:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-20 02:23:12 +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 22928194515974299527445491416288590392266521540033773489270347500227364515525685184937147325909909003715600065789883872187774505993723275094918312997318629140617816171406377394345624366143916522566175892167535901539082010341444180317278245700489186202857217707688228806659135394446784606022431476958726886412462116105216336318331340264534277636527571337307201127840511852701011767102743827643337355864408885847587947523267856512914555640618227396529097693146198082156249034336077240665005071540639775071903480224094921040445564657434887013491799088148408443798910264743979778423314770434936066996201770499205609738177
 . . . . . . . . . . . . . . . . . . . . [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)
							c78bcf8af14bcfa9e3462f7a61ee7c6563f4f3a2
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001897b9f709e00000403004730450220576277c587394d746d00c52d1e00c3491eb38e7b2024609bfa0ee65901f6f8d4022100b5ba9b0803e5e3d8bdaa7620f5b208a102d21d72ffecd20352d27652aec6c4e2007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001897b9f70a0000004030046304402207787ef66a6655255f89884e70e7433abbb63c617b2077e8a73b4e69c6afdc3c9022003a55099226e0acf640fbdedd94291a5e88698c20aabe9c3f17465ed4db307d9
 . . . . [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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