properati.cl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f4:8f:86:8d:0f:0f:2d:f0:d3:76:a7:e4:dc:58:2b:84:63 was issued on by Let's Encrypt.
With 12 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=properati.cl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f4:8f:86:8d:0f:0f:2d:f0:d3:76:a7:e4:dc:58:2b:84:63Serial Number (int): 344556533556178886028340036834207134876771
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c4:a2:14:1f:40:03:53:e6:8c:e3:4b:45:5d:f7:d9:b4:d2:70:92:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 65:a5:5a:7c:8a:32:b1:12:70:55:16:f7:43:c6:71:46:fb:01:62:04
Fingerprint (sha256): be:cf:69:f7:41:03:d2:41:23:6e:40:25:66:c2:e3:13:86:43:dc:eb:86:fe:72:f3:7e:fc:c7:cf:15:67:60:dc
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate properati.cl
12
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for properati.cl
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
properati.cl
properati.com.br
properati.com.co
properati.com.mx
properati.com.pe
properati.uy
www.properati.cl
www.properati.com.br
www.properati.com.co
www.properati.com.mx
www.properati.com.pe
www.properati.uy
properati.com.br
properati.com.co
properati.com.mx
properati.com.pe
properati.uy
www.properati.cl
www.properati.com.br
www.properati.com.co
www.properati.com.mx
www.properati.com.pe
www.properati.uy
Other certificates including the domain name properati.cl
(limited to 100 certificates)
properati.cl
chat.properati.com
properati.cl
properati.cl
cf.properati.com.ar
*.properati.com.br
properati.cl
properati.cl
*.properati.cl
chat.properati.com
properati.cl
chat.properati.cl
*.properati.com.br
api.properati.cl
*.properati.cl
chat.properati.cl
chat.properati.com
*.properati.cl
*.properati.cl
properati.cl
properati.cl
*.properati.cl
chat.properati.com
chat.properati.cl
properati.cl
chat.properati.cl
chat.properati.com
properati.cl
*.properati.com.br
properati.cl
chat.properati.com
properati.cl
properati.cl
cf.properati.com.ar
*.properati.com.br
properati.cl
properati.cl
*.properati.cl
chat.properati.com
properati.cl
chat.properati.cl
*.properati.com.br
api.properati.cl
*.properati.cl
chat.properati.cl
chat.properati.com
*.properati.cl
*.properati.cl
properati.cl
properati.cl
*.properati.cl
chat.properati.com
chat.properati.cl
properati.cl
chat.properati.cl
chat.properati.com
properati.cl
*.properati.com.br
properati.cl
Certificate
The complete raw certificate details for properati.cl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF0DCCBLigAwIBAgISA/SPho0PDy3w03an5NxYK4RjMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAxMjkxODQyMjlaFw0x ODA0MjkxODQyMjlaMBcxFTATBgNVBAMTDHByb3BlcmF0aS5jbDCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAMTy18sttMCiclNwAnTT80uxgm7vxKvDS53E 2NDtJLW7ipE1FROJhRX19tErRAaifsiTFObYwyPUvWD4cnhPNQENQhMH38oRDm3Y JDyA8MW8TkszbQQXTeiEtawr1CRBPHG7KlG9aOK7lML+gVKe/Co4qZ60GiU9y628 /elO5Fcqx7lcniSoCZJ3ffUYHl8zCroNrG0kEr6oNTfTn7Netz4GHeEIQFcjpLxS 9YJIFuyuMuvK5bPiD1b5Xu8Eyhh/MbAFpY7GdaM1egQjGu60jzwRtik7Mu3zOeyQ ao5kgm78iGthRcx1UOesnCyIAA2aI//1lkUGkuZDHdfHchVrVNMCAwEAAaOCAuEw ggLdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUxKIUH0ADU+aM40tFXffZtNJwkmUw HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn LzCB6wYDVR0RBIHjMIHgggxwcm9wZXJhdGkuY2yCEHByb3BlcmF0aS5jb20uYnKC EHByb3BlcmF0aS5jb20uY2+CEHByb3BlcmF0aS5jb20ubXiCEHByb3BlcmF0aS5j b20ucGWCDHByb3BlcmF0aS51eYIQd3d3LnByb3BlcmF0aS5jbIIUd3d3LnByb3Bl cmF0aS5jb20uYnKCFHd3dy5wcm9wZXJhdGkuY29tLmNvghR3d3cucHJvcGVyYXRp LmNvbS5teIIUd3d3LnByb3BlcmF0aS5jb20ucGWCEHd3dy5wcm9wZXJhdGkudXkw gf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIw gZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5 IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhl IENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0 Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAZkossvHZXsF4kCQJ saYIrSgTfi5Pr3Xxu2l90Y1EwTxglb6Yx+2MStscO8Bsg5K2niA7nc1czYPUVWSF K4NLktpB7nN3M/4pxtHE/rtT6goBSub42w2GdUxIlAuPsVixryiJgrjdfTMQ1f4t YeSQMNxMmoiZoh/cJTtwpHVvKq1wi7IbdES65MGGaMMDIFSwDnqryGl6Sj0+7Azm nGEiqPwJQF7vZSc2UHoV3GPFmI0FDIOWmXXW5gPEmlC6UjU9OSldVgRo/lCggfEU m3vY/p9dJyo6RJuryLevKBcm8iKQ2SWCXgsY9SI9VIxLrS5wWXjgUg9sj0rjIDVq onsfZg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxPLXyy20wKJyU3ACdNPz S7GCbu/Eq8NLncTY0O0ktbuKkTUVE4mFFfX20StEBqJ+yJMU5tjDI9S9YPhyeE81 AQ1CEwffyhEObdgkPIDwxbxOSzNtBBdN6IS1rCvUJEE8cbsqUb1o4ruUwv6BUp78 KjipnrQaJT3Lrbz96U7kVyrHuVyeJKgJknd99RgeXzMKug2sbSQSvqg1N9Ofs163 PgYd4QhAVyOkvFL1gkgW7K4y68rls+IPVvle7wTKGH8xsAWljsZ1ozV6BCMa7rSP PBG2KTsy7fM57JBqjmSCbvyIa2FFzHVQ56ycLIgADZoj//WWRQaS5kMd18dyFWtU 0wIDAQAB -----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 344556533556178886028340036834207134876771 . . . . . . . . [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 2018-01-29 18:42:29 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-29 18:42:29 +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 'properati.cl' . . . . . . . . [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 24862458092193572643825385773157963414584118211609572219479887726577343535505496499394267304933002479261246381199009384850179246489577056331111682633465261607903562273811277115589572509513695690292063418109209713282199952537515392347167320691038911735075724649575828160338591294614508860172680466674416137283557306324416104064059574771893502745613206407822061539737187344517790777535611132197171740454798953867083248779453953680983488115418856815090257837159598946525151059025473284016297747922566230093900389851556559796681441113426939400313639515173078432357661911709349510714491951390728852674397573059002009081043 . . . . . . . . . . . . . . . . . . . . [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) c4a2141f400353e68ce34b455df7d9b4d2709265 . . . . . . . . . . . . . . . . [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 (227 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.cl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.com.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.com.mx' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.com.pe' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'properati.uy' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.cl' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.com.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.com.mx' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.com.pe' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.properati.uy' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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