taglab.ca
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:95:0b:89:18:48:3c:40:37:2b:21:ef:3f:86:e9:c4:76:d3 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): 03:95:0b:89:18:48:3c:40:37:2b:21:ef:3f:86:e9:c4:76:d3Serial Number (int): 312054263811624729262936235888422863271635
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b3:17:e9:80:be:4b:e8:5d:8a:45:28:2c:88:0d:c4:14:c3:3c:97:c2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 37:c7:eb:21:3a:eb:57:d9:ef:7a:12:31:e2:87:55:b5:08:5b:a4:b9
Fingerprint (sha256): 05:ff:e2:55:d6:d8:05:3b:71:f2:4c:3d:47:9a:db:e0:0e:8d:e7:81:b5:7d:d6:e9:da:a6:8a:7d:d7:0b:99:3d
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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)
Certificate
The complete raw certificate details for taglab.ca in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF1DCCBLygAwIBAgISA5ULiRhIPEA3KyHvP4bpxHbTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMTkyMTM4NTBaFw0x OTA1MjAyMTM4NTBaMBQxEjAQBgNVBAMTCXRhZ2xhYi5jYTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBANdDGDYZBW2xu5srwKERcIfl2aQG0gbsRRSVoU7K QrrfTXzygnrDuTcYFLuW33vO1cnqR15dmoAQwXuR40ill6+4gT62Yw/pYGv+Wk58 gusz1hrnCVSjb3aD1+uaO02YCzbSS58Na7EX5NkzJypAaNU4sM9PT27EJ8zamuNS Um+4rqrCzN+y+puX8qvQW+sqiAyT8hHrEzp58NwoAwoW+cDRDu2q/L7PiNurGzfv 7HLeQkkEF7kogWVwqvnUMlGDypnY8woRTe/TN4OoOsMR3wiCevDvtTQGMrj1pxFt JFiVG6/ongrJazWjlXvk+i7JVG/19NglQ+rzLt80H/kVWzcCAwEAAaOCAugwggLk MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUsxfpgL5L6F2KRSgsiA3EFMM8l8IwHwYD VR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4G CCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8G CCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzCB ngYDVR0RBIGWMIGTghBjb3NtaW4udGFnbGFiLmNhgg1yb24udGFnbGFiLmNhggl0 YWdsYWIuY2GCEnRhZ2xhYi50b3JvbnRvLmVkdYISdGFnbGFiLnV0b3JvbnRvLmNh gg13d3cudGFnbGFiLmNhghZ3d3cudGFnbGFiLnRvcm9udG8uZWR1ghZ3d3cudGFn bGFiLnV0b3JvbnRvLmNhMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8T AQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIB AwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAdH7agzGtMxCRIZzOJU9CcMK//V5CIAjG NzV55hB7zFYAAAFpB+loZwAABAMARzBFAiBHwej2MrpXdw8gSDuAX7hUO7MMjmjz NORGYGqvjNrjFQIhAPGMDTBjpASQJ6nbWiSJvTNyX9JCou5BlAut1hB+67fKAHUA KTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFpB+lmzwAABAMARjBE AiAiC5t1mP5OBV6mwkx8RQDh8ozD27piuA8l6zdxvrfIHwIgS0WpS6jHn1QzyBb1 sh4BvDxlrl8OkHHOVy266RvhFHkwDQYJKoZIhvcNAQELBQADggEBADbE/2er+mp/ QNIGUIUr7ZyT5PUXDEFQT1LvjDKnm3INrAdNyguPmznBpXNn+9FGX/5M3usRls5s tOilWZgzuV6N5BR8m6YfJE4c7mFY9RQkIL02UJSfi9s1xP/5Kz7tH9IUOEOpJWtR PUXt5uq0htYpsiUDiSdaGBPG6pNGpHwyv1ROUbU/A7G/sNVibc7efL2U78I1AxvO zI0AA1TRMT+52VvGzs8VESJbss0pzhzUcdeUydDBwwV5po10G8U+dbTnVwlU07OE OvMo/9a4f5cSWUVqTZo7Ou1JYRNop7//ETNysM77dvw0m7TMTx3wcCo+fddckR6B p2VCmv1K364= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA10MYNhkFbbG7myvAoRFw h+XZpAbSBuxFFJWhTspCut9NfPKCesO5NxgUu5bfe87VyepHXl2agBDBe5HjSKWX r7iBPrZjD+lga/5aTnyC6zPWGucJVKNvdoPX65o7TZgLNtJLnw1rsRfk2TMnKkBo 1Tiwz09PbsQnzNqa41JSb7iuqsLM37L6m5fyq9Bb6yqIDJPyEesTOnnw3CgDChb5 wNEO7ar8vs+I26sbN+/sct5CSQQXuSiBZXCq+dQyUYPKmdjzChFN79M3g6g6wxHf CIJ68O+1NAYyuPWnEW0kWJUbr+ieCslrNaOVe+T6LslUb/X02CVD6vMu3zQf+RVb NwIDAQAB -----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 312054263811624729262936235888422863271635 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-19 21:38:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-20 21:38:50 +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 27174321135980899906602523894242328195122490676024782071416456310876586519523429522530623195838880418548995940920869226675796889349896609991500884104520612361754010005246808388404684131100858531705456750374842493523234847001893371959529445711073720599753903369689763913003437128085991897281401403843216612805041499907031411111280771241515883052892703614875010112519278559041927645471979446130923415479960976910782444800525406791610469619495201897080331455409209239177344388066073139580726094688233697349515095925405210177109553813108682904012744779153792024990029680120195330367871913736609940843945169265270552091447 . . . . . . . . . . . . . . . . . . . . [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) b317e980be4be85d8a45282c880dc414c33c97c2 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (69 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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) 00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016907e968670000040300473045022047c1e8f632ba57770f20483b805fb8543bb30c8e68f334e446606aaf8cdae315022100f18c0d3063a4049027a9db5a2489bd33725fd242a2ee41940badd6107eebb7ca007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016907e966cf00000403004630440220220b9b7598fe4e055ea6c24c7c4500e1f28cc3dbba62b80f25eb3771beb7c81f02204b45a94ba8c79f5433c816f5b21e01bc3c65ae5f0e9071ce572dbae91be11479 . . . . [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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