cassiscomunicacao.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:07:e0:89:ab:b8:ec:4a:10:8b:48:76:bb:41:d4:85:ea:1a 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=cassiscomunicacao.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:07:e0:89:ab:b8:ec:4a:10:8b:48:76:bb:41:d4:85:ea:1a
Serial Number (int): 264017296262395901739046834468959644150298
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 51:81:e2:39:06:3d:31:e2:c6:90:90:22:52:46:24:d2:e2:9a:f1:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e0:2b:80:d0:b0:c6:bc:14:aa:bb:ec:90:dc:4f:25:54:da:8f:30:7a
Fingerprint (sha256): 16:40:3c:e3:75:d1:ca:70:db:72:ec:a9:46:9a:6b:1b:79:cd:bf:84:96:90:02:a3:4e:3f:4d:95:e6:11:0e:37

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate cassiscomunicacao.com.br

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cassiscomunicacao.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

autodiscover.cassiscomunicacao.com.br
campanha.studiokeniamiranda.com
cassiscomunicacao.com.br
cpanel.cassiscomunicacao.com.br
mail.cassiscomunicacao.com.br
webdisk.cassiscomunicacao.com.br
webmail.cassiscomunicacao.com.br
www.cassiscomunicacao.com.br

Other certificates including the domain name cassiscomunicacao.com.br

(limited to 100 certificates)

Certificate

The complete raw certificate details for cassiscomunicacao.com.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtbNmjbQHcJuIr9CLBWGj
M9+ngdM3TYD1TeJwvPmiHEQh3I8Dw1ycOr6tjHVfi0TLD3V99OQbTdolSHe8Lfpy
JI87kaoRo6WZhb/7GmkimgF3CFLX5lv6raHLm8oOQTdpYrWLG+z/Tce25yiJHVug
2hBU8I/zXJmrKerlpM4uC04nuXrMcvCKs3oy8K45x2fBE1XaRFEOU84fHtonM8cy
sMgg4Klbklj5BG1dLU87j74B8dBaoN72B8YLK2l2IfxwqZXWXDjO2NtPCrOV49kA
0mDjWP4YGejClklmUVFoIkCjILuMFRxBI6tOzXyZwDHjNVIeFxU5WNKVEBrIbnCA
oQIDAQAB
-----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 264017296262395901739046834468959644150298
 . . . . . . . . [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 2019-10-11 02:37:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-09 02:37:09 +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 'cassiscomunicacao.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 22937598931741474765584766143268169517041504176948705918858882958584745095576924648102718408176024043719110514968088441255778264494646592499863583109967547990757734501898245516916202401348569511188563455605649496068324294682944549526645286126123626331264510468363533301226953418387175817457875894059649739691005035784871715238322110712804658847118314318502924540458542815536847075728128558350219162752067218756692975980128420622890108245482459643678008794320616951138971339961071012066795642133489001478964966950531534965596210249246389366043292219453850384084625395895899596855314314419186265041129351887192205590689
 . . . . . . . . . . . . . . . . . . . . [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)
							5181e239063d31e2c6909022524624d2e29af151
 . . . . . . . . . . . . . . . . [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 (264 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'campanha.studiokeniamiranda.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.cassiscomunicacao.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cassiscomunicacao.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016db8e440b00000040300473045022100a8c5d4186c9d83869dd5c0e65806332f6b0803ec6e184546338e0681506052200220330cc5ca9d8e733e61865b9e74b7e7cf0d05dc2ec7f09c574ef6045c7b2020130076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016db8e4448f0000040300473045022022727c0c734f3fce9dfce37017e270db1ae282c8b99f4492f2470d9d5a1be1e202210087c38b67c9d5e37ad962280e4d8394464f1cd4cbb188527156d3d988d601642f
 . . . . [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)
		006186e47df37ad52bbee6331450931f852521bc185b0991e317580babcc838489135c781afd2494152c45a3247bbf5411012a65e55e374888b6d7c140ee99879d0a19c953de132f4851e3cc1ca3949fe796783429bbcde40f65bfade3398aeff9f77d592382e83d774c9f2f93885bb7aa81a9aa44e1ce1553fecfd9e6816b7a9444baa11519b3e75a683b39658211a9397aa9d716d3c563e0c1d1df8bc0fbbe20f84abb6afe153d91671e428ce74e4f373bf022406603608ebcae85cfb49afe1c9992e9984172d0326ad8b33246c97d587309ee0d2df62da04ecbe7496cbb0388660f271afafad9d484c4f2502232a90a3dbac37f2451b0dffe9f272852b570e3