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

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

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

This certificate with serial number 05:f5:2d:b8:5a:96:ec:df:9d:80:27:f0:0c:9f:f0:02:08:d2 for www.tremitsu.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.tremitsu.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:f5:2d:b8:5a:96:ec:df:9d:80:27:f0:0c:9f:f0:02:08:d2
Serial Number (int): 518991382034237845906551796421305007474898
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: da:27:e0:d8:32:b1:6c:fa:7e:33:6e:11:d7:0d:49:e1:e3:f6:fd:72
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): f5:2a:bb:b3:04:cf:9a:bf:45:58:29:b0:16:ee:59:14:eb:32:d6:93
Fingerprint (SHA-256): 55:d5:e1:86:a5:95:db:ae:bf:a3:3e:44:0f:f9:fd:09:bb:ed:70:31:93:82:c2:70:f5:52:9a:5d:d8:a0:25:c0

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/83.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for www.tremitsu.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.tremitsu.com.br

X.509 Certificate

The complete raw X.509 certificate details for www.tremitsu.com.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwSBKyn2IJ17pJh2m+BRR
h5sq94jbkjmOL1qKr+/WYvV5auWWTuawqklAdBTVu/MrOc4OFPwPu/RBz9UkW0du
wusxCHX31Juyk2aRlyJwNXT3xvfNTAN0r+R2tEayHN6+lYMi6NTJnIYrK+H1Bk1g
dhRFCoaxY+0Lc2L9UFaGLk8vmdAEHpuQB0B4Meo36b8JkQmwmqD4LPy9qV4AZ+27
WRSfyZJ1zgwX8K0jxaPUmouGbOZ7FMSHV2EgDMqypNowo2s28/IG3WcDQoYkNX6T
L629C+F0BU1iIz1ATH04oFd8Loc3uTfWzr/pnOpV+H2c4oBJa5yzv7on0rwwRaD3
0D0gkTPbLkjuueC/QYGc8snyBWhVJjVbaIqeTJYnLiWRshiGq4sabzSH0sHZEEpN
xgnv6GHIp8t7S9DjU2xA/YDRXuarbgAfaTuCuTpRUE1UvqMqU8juLQA8Rn2XQRcf
6EQXDC6Wg8zJ+eyZj3+OW/EXLTwfjX/8WxM+WksYroo5Q7OWb5X9V5X18M/ebPZi
0sDgjzSqT/FWbIzQzsa4nEl1oLp1dJaK+kM9J+T4nIWlRZfm+u5Xr2SbtoCPUqJe
0jkQkSzSLfNMnaEP6XZpbQuEEVTbZLtClXxsyzuzSoitJ8wRd/ao34xWrkAS2SnJ
uxkE/kMI4AvGzvVSlEND6DECAwEAAQ==
-----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 518991382034237845906551796421305007474898
 . . . . . . . . [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 2025-06-25 22:17:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-23 22:17:10 +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.tremitsu.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 787885916406797062909424776075525693391654191266105807536201221795461439004755963680171100934343696116991383393394038098995263166518143953992971440218483370694572497522090977835632848651577159231380033965206732121273534460198700674050183254263794029328738457398644767837784465611958770416268090366674098542702431152904126016792144417974607949883096385424622423891415476334858063518162725536623466997040367933366821698591363540973461494157950975654867618161443838268930107036983934904103501500318429156810184600797379706411520905182532804775571539335279860942742326751558048193627000749953645611417748709648914092094554952703328569460823663441497073075771105259799844099146707581592860614681225112268274928788802939065785716398716277061835674265610211933936279812117612160169931076924742555933177889943379330151829743017083288898757768902591876000126142801584398427069289515291673137002923796494784593239875421626260303411291775840880334584773116638284469029172256783855842845192366044463433182460213680264236243274368446118043556305061052261190282637233007936994624011255177077519770144291995050979524709740442705395523863647994579832262883328475190318298732547768887890106896636052455894435266643705311412202090784111832423729457201
 . . . . . . . . . . . . . . . . . . . . [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)
							da27e0d832b16cfa7e336e11d70d49e1e3f6fd72
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tremitsu.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://r11.c.lencr.org/83.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)
							00f00076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197a9602ba00000040300473045022100d46ad47704de1fa17556fbba0c39b4dc36d93fea8a156126839cfab95ed7465302205fe12301a7e45871b09c7346fe39081051fb6bfafafe79353b994ca01f79f849007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197a96033bb0000040300473045022100d9bbc7f7f9a5622e007dc26de277716d55ae72f7c5b7e5578fe10563e9eb120402207333f18a5f7255efb57026ddf75a6079437ccef640fd9694f7fdf0cc30f873cb
 . . . . [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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