tudutu.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6c:46:9b:28:9c:87:5b:00:ac:c3:02:6e:85:e9:a9:93:76 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=tudutu.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6c:46:9b:28:9c:87:5b:00:ac:c3:02:6e:85:e9:a9:93:76
Serial Number (int): 385293490943918225639980156367914742158198
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 99:2e:7f:ce:20:d3:85:b0:05:6f:9e:89:ab:f5:df:04:21:8c:ef:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9c:aa:d0:3f:1a:5c:ce:ff:08:93:f9:db:28:26:a0:0b:90:8b:da:5d
Fingerprint (sha256): a9:5c:4a:24:f7:a8:52:8c:72:d2:e1:bb:cd:2a:55:13:27:83:cb:e1:d7:53:e5:8c:86:9d:02:2e:08:7d:7b:97

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 tudutu.app

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tudutu.app

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

tudutu.app

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Certificate

The complete raw certificate details for tudutu.app in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmZa/sR9siPZryWS9oXaB
QXwGqh0yhvps8ORaz4WBPgn379AFyYDAAy7wjuMtZY54w2mb0Af325ZGx4kcRJ8a
+5atad0E3xu+ebShWBvXufzNKHaRNseAMWHzoOlAJ0t/TAnasAn4bIhFY6vhs4Z8
Dp7fj3V6m76+lWHJCpp/g01g6RgoNC3ke9AoIdmUjd91/FnkCKtcGbNOJIitwkLO
mDlVGuIukkQSluUHgycfsHFp1xdme1rVcZZvgOGuRiMy5nsRq2BuR8AjieKzCZkw
Ojr9tNgrSZ0Z40J8UhffChkBxBfuG1G8dzi4sYYTIsX62L7U9wtYkWPyx437UMQ7
mQIDAQAB
-----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 385293490943918225639980156367914742158198
 . . . . . . . . [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 2019-03-23 15:34:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 15:34:43 +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 'tudutu.app'
 . . . . . . . . [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 19388797661903960548953093995637260717284342135298378699474109774754027612195645126086905763326021075661079931074228777333496945768885116152894495411547221024260138317032484579204501517566841381422956957611180896698798214752621058109014379828362012150088610133552740777442667445337245261689862305148539153314050810438055709042337706038796304990800888551054892572816498110065617800559911898330895064525501592173276150254909025588078090087243198693484444647711747574456291720499730589528022561464203403943309232010182102502869894754380668606906767876754083904579510436344345766150557597316322612109422654596016649812889
 . . . . . . . . . . . . . . . . . . . . [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)
							992e7fce20d385b0056f9e89abf5df04218cef6a
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tudutu.app'
 . . . . . . . . . . . . . . . . [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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000169ab678ccc00000403004730450221009da21dcc7b5d44945331b11d3e77da0258567ca0d59685e419f23c7dbef7561a02207da39304dc03c9c6737d95792c8860258aed4fdc3f518947090f558e14f63efd00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169ab678c950000040300473045022100c5745dfa4754b68997ca6f865ca833d1b16aec36ee7f1b5a9ab2c3e0a56b57f50220530e133883e8e67d6127bc1d161c17eab59350da99d5c8bb85337db32e13447c
 . . . . [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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