DV SSL/TLS Certificate for opostador.com.br

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the opostador.com.br DV SSL/TLS Certificate

This certificate with serial number 05:cc:d4:1b:66:cf:2b:cd:cb:1a:11:00:ef:a8:16:fb:52:2b for opostador.com.br was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for opostador.com.br provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:cc:d4:1b:66:cf:2b:cd:cb:1a:11:00:ef:a8:16:fb:52:2b
Serial Number (int): 505260971123013828242309171421401847648811
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 69:92:12:80:94:53:6f:24:ec:59:eb:3b:93:f4:d6:ab:7d:28:66:a4
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 2f:94:ed:96:d9:ac:a2:17:1b:8d:c3:80:ce:cc:06:6c:42:8c:1b:c4
Fingerprint (SHA-256): 0c:f5:51:f5:12:f1:92:3c:a8:2c:3b:f8:dd:62:7e:3a:ed:3b:7f:e0:f8:14:c7:4b:fc:08:6f:28:fe:d1:24:d5

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/44.crl

Check the revocation status for certificate opostador.com.br
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for opostador.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for opostador.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 505260971123013828242309171421401847648811
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-19 03:07:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-17 03:07:01 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'opostador.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
 . . . . . . . . . . . . . . . . [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 841015393054383236508584826898655497018733906266658546923561755570740338826146849461132420730795304915814052349018326015239653791691668805601829768081986117367759782694556647438079318308767877499481952216664522685544964822615298061921673005427397075599772879477269578042404328252295493503993532502267646399655607398588987736198061572359956253223531038402889325918965927173002396312272942901870805353327901680478162799651363671298314935635828981371203328091988113386968376930882068643925614434171248605189047404214753532515120900189904692738982875836609678449802895693656904062729429693966685213264208090866901126562998085409465845701904113871293700404348228911899136139346483597268481861163704880922264606863169925863412136048614843056495841964600778587329827161940320771751103351414286716305437595488073787007428655070460380691026735499286287644082875780282038101525380834644331549274517494848111503478299075446632671655870403005325018714013629716112923497701478789213106534806605453161175592317173860659511941478755010448027807334834051692066370112828981681442084916598905758055378341099734305792520759250273901779154888892745179619686106390701063370903495258527723289822934291755028594688134501721948603657924707945058078572009047
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							6992128094536f24ec59eb3b93f4d6ab7d2866a4
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'opostador.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.opostador.com.br'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/44.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197865d066f000004030046304402203fc133a2c47063806c2cd7c526634831569549f026ee4f63870bac1124e1add602201c04e23fb889fa1c482c55573e2bab3d576b2ab2d680118fc5e89bc7eb661ddb00770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197865d063e0000040300483046022100d399e60e2088108216abbc04d1c3a2fa1bbf9b3d580aeb58d1087ead5b5b0ca1022100f52403e4e15d110fcaf35b8e70ec1f0456fb0e66cda7ebb4c47d17fcfb8fdfe0
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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