app.royalsportbank.com.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e2:6b:97:65:ad:28:ac:e0:b0:aa:2e:be:90:28:f4:b2:c8 was issued on by Let's Encrypt.

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=app.royalsportbank.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e2:6b:97:65:ad:28:ac:e0:b0:aa:2e:be:90:28:f4:b2:c8
Serial Number (int): 338383686214029887920456228057030992376520
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a5:c7:6e:3e:be:1c:45:8b:6f:25:26:c4:a5:79:88:cf:26:6d:fd:33
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 37:25:13:a1:7e:a8:d3:f1:db:71:bc:8d:84:b8:7d:7b:a5:66:25:ce
Fingerprint (sha256): a9:37:11:54:9d:58:5e:0d:7a:2c:af:f8:af:71:da:2d:33:a4:18:7b:a2:14:67:c4:3c:cc:77:13:d9:5e:ff:34

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 app.royalsportbank.com.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.royalsportbank.com.br

Public Key Algorithm

RSA

Key Size

4096

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

app.royalsportbank.com.br

Other certificates including the domain name royalsportbank.com.br

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 338383686214029887920456228057030992376520
 . . . . . . . . [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 2019-08-27 08:10:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-25 08:10:12 +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 'app.royalsportbank.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 683044073669450429765685799637314522908838345810159344276994420473127754604076973059666022255138799189948770841458730434908541564764086428510964756261796067614182294845118951336696981133326411716026932971076299748963338816065208781519208120156763008443203382210876639199563783227554580484988952619193950684044730270331698202804934425343649502966208917035882824033889476032130977106908616977736333786786047435217287764143215680306512055472272890665273681453585078422936702306338110765747864911208515477171638178196743867978634550276724710539859324109469331220711089067778347803557718122288118781215061103679229932695081698284556508560926583015857916297171889151278947714820828479234642242892198014811350308358863129716304645011380188910723079383889449718881121963926875787002771026059165423895953043267581674822418511131599775396988291124171551609459933973101282707346799556030706301440611416862597675600269981127503579827649527758294439651967384095171321575564179859182586635613930891106644772493723526721222630028856554369141200886615624921067147038809307802546928607144121900354416718114304300887610155592591613299264239901932562389824237575990801944168494780129997264438427999134650783665434036797044584115669765344085258214429303
 . . . . . . . . . . . . . . . . . . . . [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)
							a5c76e3ebe1c458b6f2526c4a57988cf266dfd33
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.royalsportbank.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cd256fe620000040300473045022100f37666974482f436a0df123d3873cca1c78b30844f1d314bb0bacde84366a0ed02203be2d41fbb74cecb8439419ce1bfd66bec2ecc6aee8f5b6b997da99be5ce7241007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cd257007c000004030046304402200f7f3f923c93c0ef3781d58af9a2c28b3186bc12880559078a4473e7e2e93bf4022041eada187b519fa9d29f3a81112caf1d899c0513aa9dbc2fadc4d43e47049495
 . . . . [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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