*.com.br.rosadv.com.br
Issued by R3
About this certificate
This digital certificate with serial number 04:9f:2c:f2:09:c3:0f:d7:e5:5f:3d:c2:5f:18:62:91:72:43 was issued on by Let's Encrypt.
With 11 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=*.com.br.rosadv.com.br
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:9f:2c:f2:09:c3:0f:d7:e5:5f:3d:c2:5f:18:62:91:72:43Serial Number (int): 402613782833120585404389964938206860374595
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 8c:04:22:ed:7b:10:97:7f:e3:58:86:4d:8d:6c:b1:3a:7b:96:a4:7c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): f1:a9:4b:f5:d3:d5:df:5c:22:28:8b:0f:c8:d1:20:34:7e:89:57:eb
Fingerprint (sha256): af:12:fe:c9:43:1b:0c:42:a4:87:45:88:fa:f5:79:f0:76:8a:03:d5:38:d5:7b:5a:a5:b4:82:46:c9:f7:77:9b
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate *.com.br.rosadv.com.br
11
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.com.br.rosadv.com.br
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
*.com.br.rosadv.com.br
*.jetecsolucoes.com.br
*.merakicafeteria.com.br
*.rosadosventos.ppg.br
*.rosadv.com.br
jetecsolucoes.com.br
merakicafeteria.com.br
rosadosventos.ppg.br
www.jetecsolucoes.com.br.rosadv.com.br
www.merakicafeteria.rosadv.com.br
www.rosadosventos.rosadv.com.br
*.jetecsolucoes.com.br
*.merakicafeteria.com.br
*.rosadosventos.ppg.br
*.rosadv.com.br
jetecsolucoes.com.br
merakicafeteria.com.br
rosadosventos.ppg.br
www.jetecsolucoes.com.br.rosadv.com.br
www.merakicafeteria.rosadv.com.br
www.rosadosventos.rosadv.com.br
Other certificates including the domain name rosadv.com.br
(limited to 100 certificates)
4edge.cloud
*.seguraeabreuadvogados.com.br
*.seguraeabreuadvogados.com.br
gwtglobal.rosadv.com.br
rosadv.com
www.gwtglobal.com.br
www.informo.com.br
4edge.cloud
informo.com.br
www.informo.com.br.rosadv.com.br
www.informo.com.br.rosadv.com.br
4edge.cloud
www.informo.com.br.rosadv.com.br
rosadv.com.br
informo.com.br
*.com.br.rosadv.com.br
seguraeabreuadvogados.com.br
*.seguraeabreuadvogados.com.br
*.seguraeabreuadvogados.com.br
gwtglobal.rosadv.com.br
rosadv.com
www.gwtglobal.com.br
www.informo.com.br
4edge.cloud
informo.com.br
www.informo.com.br.rosadv.com.br
www.informo.com.br.rosadv.com.br
4edge.cloud
www.informo.com.br.rosadv.com.br
rosadv.com.br
informo.com.br
*.com.br.rosadv.com.br
seguraeabreuadvogados.com.br
Certificate
The complete raw certificate details for *.com.br.rosadv.com.br in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGCjCCBPKgAwIBAgISBJ8s8gnDD9flXz3CXxhikXJDMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA3MjAwNDM4MTNaFw0yMzEwMTgwNDM4MTJaMCExHzAdBgNVBAMM FiouY29tLmJyLnJvc2Fkdi5jb20uYnIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw ggEKAoIBAQC+KQ9whw3qkdtIQppl7+wlHARcc3fqIFaCJ5Jqr8qPW2Phmq3c7DxT PFgNkng/hc6xH1hiIdfcGa/XOLSg7GkkPdvgMdOj1LUKPRQXNJsDXzDJMj7re1r0 pnGJhOwXtQHBfx6xdnCwNOGer5NG+MwPsWibCnPwyM3Z7UMTySOSF5wKGdogMhPd osWc6aO5xBYfrz73ohw9FEYvKAFHUBnJ8p2TDZ6h/bXcs4NiUfZRyOKcay3+x7i1 ax67svS8GL96+E3mnsGCv/P7BrVoGcudeRNJb9fKWFsOUIVU5lNS/4c7/uhVUQQd DAF8vgiktAPX6eds3ABd7/XL/QU5Dq3bAgMBAAGjggMpMIIDJTAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwHQYDVR0OBBYEFIwEIu17EJd/41iGTY1ssTp7lqR8MB8GA1UdIwQYMBaAFBQu sxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYV aHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5s ZW5jci5vcmcvMIIBMAYDVR0RBIIBJzCCASOCFiouY29tLmJyLnJvc2Fkdi5jb20u YnKCFiouamV0ZWNzb2x1Y29lcy5jb20uYnKCGCoubWVyYWtpY2FmZXRlcmlhLmNv bS5icoIWKi5yb3NhZG9zdmVudG9zLnBwZy5icoIPKi5yb3NhZHYuY29tLmJyghRq ZXRlY3NvbHVjb2VzLmNvbS5icoIWbWVyYWtpY2FmZXRlcmlhLmNvbS5icoIUcm9z YWRvc3ZlbnRvcy5wcGcuYnKCJnd3dy5qZXRlY3NvbHVjb2VzLmNvbS5ici5yb3Nh ZHYuY29tLmJygiF3d3cubWVyYWtpY2FmZXRlcmlhLnJvc2Fkdi5jb20uYnKCH3d3 dy5yb3NhZG9zdmVudG9zLnJvc2Fkdi5jb20uYnIwEwYDVR0gBAwwCjAIBgZngQwB AgEwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgB6MoxU2LcttiDqOOBSHumEFnAy E4VNO9IrwTpXo1LrUgAAAYlxzk9hAAAEAwBHMEUCIE7s5ZuItUQiCXJH4ZyFPhUe Uv8fUNw+CUqx60reFWrfAiEAwsjMTcO48/aQINizXBNCWwV+sLR4IGl/c7Ohd0h9 T1UAdgCt9776fP8QyIudPZwePhhqtGcpXc+xDCTKhYY069yCigAAAYlxzk+LAAAE AwBHMEUCIQDmsl4w7wLAerimenBasUGjmgYJ3Uda1onayfEv++f8wAIgAyUgsPLq g8z+V8bDtqlFmriHzqiz9Sds6I86OOGgNKowDQYJKoZIhvcNAQELBQADggEBAAKa m/0my3H2s3rz3l8vPwUwH4swmevqTADeJSsol1qdm5bJHygjzKH7yeyb+6Suo5Jn vwuApQhqbYBR1p/sWClkO4lXbH1kL6OnJ5vuTmFmpTR1nnSCI4CDTz+HkRCh//xI DIHS3LEhXqR4VLGHqdzV6QRifrpi3fBOafoIezb0I8JJaZxJLHPz8VCZyp9euftx Mlp9cmUofzECx/vsXhpHi7T+JmTof63xmBu1e6n0IeT1+/byMIe0AN4vwvHj3eOG 1xtJHWWPa3eXPSnuhD0DVmZGzmb4hWOv0NDbn9ozfePzmKC9Xd/2ewUVqdfHd4hn UiuUBCywsrx8PuiiB5g= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvikPcIcN6pHbSEKaZe/s JRwEXHN36iBWgieSaq/Kj1tj4Zqt3Ow8UzxYDZJ4P4XOsR9YYiHX3Bmv1zi0oOxp JD3b4DHTo9S1Cj0UFzSbA18wyTI+63ta9KZxiYTsF7UBwX8esXZwsDThnq+TRvjM D7Fomwpz8MjN2e1DE8kjkhecChnaIDIT3aLFnOmjucQWH68+96IcPRRGLygBR1AZ yfKdkw2eof213LODYlH2UcjinGst/se4tWseu7L0vBi/evhN5p7Bgr/z+wa1aBnL nXkTSW/XylhbDlCFVOZTUv+HO/7oVVEEHQwBfL4IpLQD1+nnbNwAXe/1y/0FOQ6t 2wIDAQAB -----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 402613782833120585404389964938206860374595 . . . . . . . . [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 2023-07-20 04:38:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-18 04:38:12 +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:12|false] UTF8String '*.com.br.rosadv.com.br' . . . . . . . . [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 24005525537437006630891184247076446861860479868782303280414987178644011652553104367474471910179937208617137196879237152226193073919541477671111373489437871551796134059671896159148221306237304182521586537611858309572799231714957265665018597320396467575536664567601496677656679435714520602260658825224392080640375706013434891000941840561450218298662534821278430641437956669450166342056105652132488004040257650997304938889712974692938128458957265648289595245058656429526208421469509652600605201013473363309586647432756262295456887255962256914817334656998956422327145017372780193080867378807772633449671807933734959623643 . . . . . . . . . . . . . . . . . . . . [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) 8c0422ed7b10977fe358864d8d6cb13a7b96a47c . . . . . . . . . . . . . . . . [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 (295 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.com.br.rosadv.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.jetecsolucoes.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.merakicafeteria.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.rosadosventos.ppg.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.rosadv.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jetecsolucoes.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'merakicafeteria.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rosadosventos.ppg.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jetecsolucoes.com.br.rosadv.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.merakicafeteria.rosadv.com.br' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rosadosventos.rosadv.com.br' . . . . . . . . . . . . . . . . [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) 00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018971ce4f61000004030047304502204eece59b88b54422097247e19c853e151e52ff1f50dc3e094ab1eb4ade156adf022100c2c8cc4dc3b8f3f69020d8b35c13425b057eb0b47820697f73b3a177487d4f55007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018971ce4f8b0000040300473045022100e6b25e30ef02c07ab8a67a705ab141a39a0609dd475ad689dac9f12ffbe7fcc00220032520b0f2ea83ccfe57c6c3b6a9459ab887cea8b3f5276ce88f3a38e1a034aa . . . . [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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