tyf.com

Issued by R3

About this certificate

This digital certificate with serial number 03:c0:5d:98:b2:42:41:3a:dd:86:26:e4:d8:b8:57:17:e0: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=tyf.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c0:5d:98:b2:42:41:3a:dd:86:26:e4:d8:b8:57:17:e0:c8
Serial Number (int): 326795483292349575260211579671512520057032
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: da:1c:75:e0:35:8c:a2:7e:bf:a0:88:a4:08:dc:15:f3:a0:de:6f:9d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:e9:28:f4:d0:55:39:11:40:d1:56:d2:7c:1a:a8:e4:58:d3:da:5c
Fingerprint (sha256): e7:10:73:d9:cf:6a:31:91:15:54:97:1b:0b:fc:f9:a4:b6:f0:f2:e9:c8:fb:dc:0a:c4:55:c2:ca:c6:b5:24:f4

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate tyf.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tyf.com

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

tyf.com

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Certificate

The complete raw certificate details for tyf.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE2jCCA8KgAwIBAgISA8BdmLJCQTrdhibk2LhXF+DIMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA3MjMwNzMxNTVaFw0yMzEwMjEwNzMxNTRaMBIxEDAOBgNVBAMT
B3R5Zi5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDKXvc4wsgl
BRiDK2JiKkfzE4s5pgpNKpEJXzBiIqy6TZT5urYEb5O3MyBufnkLc+uQJ0GvXW2y
6Zcdtti5EALHirhhoIwI/8nMpLrEDdoatM/uPP5xTQ+eLRzia9MfJR7bchPZ1mTn
KQZSMJG0ZNDUvFakSLa2aKm76y5eDKHSUzA12Nvp6OjDg9zrByswCJWEyoMgLAXG
VAlvjK4ldhWe9dcBlF08lW0rwR2S8kW7VXUD8h1FKTWaWfyBjkmlcClM1xZ2G5GT
eHvFJ85MoabwTpX69qXykqBkEStukTFknSMJEwNyQDYWhKZO3lMOAg8GzYdeDiom
tz0DAUdIAfQNAgMBAAGjggIIMIICBDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNoc
deA1jKJ+v6CIpAjcFfOg3m+dMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMBIGA1Ud
EQQLMAmCB3R5Zi5jb20wEwYDVR0gBAwwCjAIBgZngQwBAgEwggEDBgorBgEEAdZ5
AgQCBIH0BIHxAO8AdQB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAA
AYmB4Gt3AAAEAwBGMEQCIGfIp8S6Jvv648NtoPU7CFSbY/PtdiVOOvHSRIGJTzkl
AiBOFxAun1rzMuGWjqZgJZYQWP9BOXWJCc/D7uO0M2ABWwB2ALc++yTfnE26dfI5
xbpY9Gxd/ELPep81xJ4dCYEl7bSZAAABiYHga7MAAAQDAEcwRQIhAL3ag0u0kGZQ
IGAP/Lhp8v8Hw/Ni6/KlxPGweE/Ls2tnAiAo2FmuC6zXnQyp0NBn3cI4o9KVP/pN
bZQPR0ahAMEC6jANBgkqhkiG9w0BAQsFAAOCAQEAerjLtqbKDm47Nw+41LmJKHLF
LXA8DGHS8Z1FLrKb375adDhbDtGuA+jpP0ScPu90G4KAPe1ykcKso1I2W333VAaU
uBt5ER29W5VG0EeFni/E8BRduLQ4zb7ub4/m4qWa/XguITzkNn65azIoAfdu3eXH
j6osUCavniIZ0LdiYX3PZ4k/UYhrpldkRC0s97/dYiX30TQiARbdXiAeIK+oYKvj
F25wyTL8vMGIMIAhldUj7DNrR4ZeR8wLHhNLyj9KBDBxOddWVDi/IRzZbKnvGbpM
uVhx+PH/9Sd0aOBHRhepIcCVga4w6i1fWjA4ceXbqe9A01VIDvvQUBU3mNt6vg==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyl73OMLIJQUYgytiYipH
8xOLOaYKTSqRCV8wYiKsuk2U+bq2BG+TtzMgbn55C3PrkCdBr11tsumXHbbYuRAC
x4q4YaCMCP/JzKS6xA3aGrTP7jz+cU0Pni0c4mvTHyUe23IT2dZk5ykGUjCRtGTQ
1LxWpEi2tmipu+suXgyh0lMwNdjb6ejow4Pc6wcrMAiVhMqDICwFxlQJb4yuJXYV
nvXXAZRdPJVtK8EdkvJFu1V1A/IdRSk1mln8gY5JpXApTNcWdhuRk3h7xSfOTKGm
8E6V+val8pKgZBErbpExZJ0jCRMDckA2FoSmTt5TDgIPBs2HXg4qJrc9AwFHSAH0
DQIDAQAB
-----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 326795483292349575260211579671512520057032
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-23 07:31:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-21 07:31:54 +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 'tyf.com'
 . . . . . . . . [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 25546966940025193930048237090164024026177408522242320186708665578170339445903277372423065937459112083946460839587900292232982203551899877296546023813207317380938707532888650318070307567198990697552588094009751402866662845662196469930928663526946954501291733335793731146360449535399655770428464475625753798574530201612829111945092577214779036160941841528749534704935697241083389127276668434978076044611728128753908879647941279099279283615163998682605596513287153276915870193830261920782814333651114426701314992529563629892983528288054731056270417089028303249952090522280267880662097275674794134684494977388970525193229
 . . . . . . . . . . . . . . . . . . . . [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)
							da1c75e0358ca27ebfa088a408dc15f3a0de6f9d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tyf.com'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018981e06b770000040300463044022067c8a7c4ba26fbfae3c36da0f53b08549b63f3ed76254e3af1d24481894f392502204e17102e9f5af332e1968ea66025961058ff4139758909cfc3eee3b43360015b007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018981e06bb30000040300473045022100bdda834bb490665020600ffcb869f2ff07c3f362ebf2a5c4f1b0784fcbb36b67022028d859ae0bacd79d0ca9d0d067ddc238a3d2953ffa4d6d940f4746a100c102ea
 . . . . [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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