DV SSL/TLS Certificate for www.cristianocec.com.br

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.cristianocec.com.br DV SSL/TLS Certificate

This certificate with serial number 05:d7:de:e4:36:dd:5c:53:fa:4a:3f:a8:f2:46:ad:c8:fb:88 for www.cristianocec.com.br was issued on by Let's Encrypt.

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 www.cristianocec.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:d7:de:e4:36:dd:5c:53:fa:4a:3f:a8:f2:46:ad:c8:fb:88
Serial Number (int): 509018412118339116798779468454379402099592
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 09:3e:26:be:6b:20:8d:3d:2a:0e:c4:59:ec:2e:fc:38:8c:97:18:93
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 51:9a:f0:9b:ea:d5:13:a6:57:01:76:3a:b7:03:57:2b:1f:7a:8e:9b
Fingerprint (SHA-256): 07:78:06:6f:8a:4d:a5:47:d2:a0:c7:e1:1d:15:dd:0b:ba:97:55:a7:c7:49:60:0e:c7:f8:c0:40:3d:38:d3:34

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/9.crl

Check the revocation status for certificate www.cristianocec.com.br
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.cristianocec.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

www.cristianocec.com.br

X.509 Certificate

The complete raw X.509 certificate details for www.cristianocec.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 509018412118339116798779468454379402099592
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-20 22:54:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-18 22:54:02 +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 'www.cristianocec.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 896284184486191324335579991596312998322417735957800843056070777294434278286066214854287317940718234835103151412516163925959662597314189640258040603779853419297584226685052450737154519063083941826669308384878089021928633538578870468774971109564547974953460060868512600106058860751035679060746101183383313633821220367599745348298516539058302890193364986576044368837908288580964454234198156982553194382622263521691121784585089962589779911962509244644378474257224680103801911772528168824099020668118177004003330715104337718556217843618589106078770138127719907256264622927594441539476382008344677078027166196377805161756690808872414494114672583622979546527879671930239541390644759879809831068399485944979129304477298429538128085337186124444203487360012408682810494580692321284937929520274753857877899749438778433149203096204899252932413361449608576511782443599175582267202074098284058005949566307852356552530341151823409133214106779181133669407716718250337993011292789939888912609555833953850172967322288486880371507395972404318777904088018783254935879172505941260531606018061760820659849263368289540780159899439851930068165092767064593050786056873809057820827237027258317070121912180385955088916237167874879360384094014859382697199328227
 . . . . . . . . . . . . . . . . . . . . [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)
							093e26be6b208d3d2a0ec459ec2efc388c971893
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cristianocec.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 (38 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://r11.c.lencr.org/9.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)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196f01cfacb0000040300473045022078be2b324f0e70e2aec2fbecd02a09dd8909be0f00d4e735c0d1449ae65e64a4022100f48110693d6459629255e4547100de56cd9be95b8e68cc9404baddf0c7c05c5c00760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196f01cfabb00000403004730450220123951b64be043aad633f6f256fec0782f4d42077cf68c64b65df207d30020bb022100dcb454be9cddf10690077e24c3ebf681795531b86d3cd4b4872fc4e02784f35a
 . . . . [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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