fizyr.com

Issued by R3

About this certificate

This digital certificate with serial number 04:08:8b:21:1c:63:5a:64:c4:8f:f2:36:47:90:61:4b:e5:ea was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=fizyr.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:08:8b:21:1c:63:5a:64:c4:8f:f2:36:47:90:61:4b:e5:ea
Serial Number (int): 351356337275397961712711957629811496314346
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:7e:20:09:e5:e6:12:26:7f:27:52:28:3d:49:ce:c2:1c:5b:9a:9c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 59:9b:2c:9d:25:8d:a4:cd:ad:97:37:b1:1b:e8:af:78:af:a6:73:80
Fingerprint (sha256): f2:70:0f:1c:2d:3e:b1:c9:d4:c1:bf:14:85:ef:31:79:b2:ec:9c:2c:2a:08:1d:62:ee:bf:1c:64:6d:55:c8:3b

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

Revocation information

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

Check the revocation status for certificate fizyr.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fizyr.com

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.fizyr.com
fizyr.com

Other certificates including the domain name fizyr.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGJjCCBQ6gAwIBAgISBAiLIRxjWmTEj/I2R5BhS+XqMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzAzMjYxNDAzMTVaFw0yMzA2MjQxNDAzMTRaMBQxEjAQBgNVBAMT
CWZpenlyLmNvbTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBANKjpB6l
ZOvVbAUw8YxCZPpCS2iMOq72xWx9H3f1htWWoLQ13/vVdZbKyMGHxD4mIki02ExA
DcOB8rGvYN+jb0B1HJkTK4PHO4NVyOuqOf1NfaG36WIk7l56HvUdsINOd7j/3uA8
uz3oLQMTH0N+XjdV5r3i5n8HyW2Orc55h+O/RYk+Y13aev9PKp0m2850tCaB2hVn
eDEv/8vpubV9j0sD+l0vPvt/IIygZVR35cBIXWB/UTt2EdPmaIZgLLI7lMKyvQFS
4f6TPn02tQ9mS/RwA5CfsNJz0mQRfaHIGQPYX6UgzmKsamkT06QREwTFQkIE0KJ2
02nPtROaM1+fmeDTMrSt5TEQ2kyMmzqHYiT3Hv/jevbr6nw0cj57x/d5jVIXN3wA
baEF53OXIHIbkoGn1dElQoJXq4xevbu4ggkMysKiDvPlce5wZPPW4/57kM4/Spym
ytUa7nsPLNCyejIQ/wkBCsWhBKOCcRIcBaFURgaEIhmRr29hqC9tGfeikaz7jbWI
F0Q1AoT5E6cttN4ZVfZ5JZKp3aK55L0E9zldGg4W1AHOCX6I3GYrYrmNNQNXx5ez
goWwERgVYJxo0jrMYdYoAnbhzsKpjoV6y0Vm1uVIR0hLS5/9AtKWvoC7FV1toaOl
2NIEmx2kwkhvS9Or7sZkMX0FLnaRcOQNONe/AgMBAAGjggJSMIICTjAOBgNVHQ8B
Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB
/wQCMAAwHQYDVR0OBBYEFLV+IAnl5hImfydSKD1JzsIcW5qcMB8GA1UdIwQYMBaA
FBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcw
AYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMu
aS5sZW5jci5vcmcvMCEGA1UdEQQaMBiCCyouZml6eXIuY29tgglmaXp5ci5jb20w
TAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcC
ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2
BIHzAPEAdgC3Pvsk35xNunXyOcW6WPRsXfxCz3qfNcSeHQmBJe20mQAAAYcecev/
AAAEAwBHMEUCIAGmkTRG+ZiW2AFmqGBhc1xSsodurQ3vLpGWT78T8ymXAiEA1VPe
rP2fBnGfDEWLjH5MqC/Nx0CHH0n74XRGRiGCPtEAdwB6MoxU2LcttiDqOOBSHumE
FnAyE4VNO9IrwTpXo1LrUgAAAYcecewIAAAEAwBIMEYCIQCo9SEUKiyiT1ixCxng
q+KBUtBcivF6HGQx17o8Sv1QuwIhAPR+6yRCeXAzdWclc7LrDHwO7cryhHaoTb1B
9XNN3jyXMA0GCSqGSIb3DQEBCwUAA4IBAQBTh0IbUElCvrJkq2Wt2w1uO2c0aoMj
H594WBdm9d+1LDu5E8cM47Bi2OLeLsbmnY9JUd69CJIMIG0Wt076bdpPseOpSmZV
aQEiQR07BGlt1MiDOmSdhanFk32EZtAHSIq3AwuE9NdCfgfEHbwSUxcG3fd4Lzws
lDx+mdqD5C3umngWgcnbKrGysLAhNmNPsc4hRqc36ApEglqGUJl6ejDqIWyDZ75b
jIuX8jJWbbQRgCD/mm/R49hnKR3SYX1MZ50OMGwIxmo0Md8X5xdmT2c4TUycYIYH
pPzu2NhNpBdnQcWc9SzT0Y7EEJZQo1fuS+NlXRQcjb30WD/g2AjsHaRg
-----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 351356337275397961712711957629811496314346
 . . . . . . . . [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 2023-03-26 14:03:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-24 14:03:14 +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 'fizyr.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 859333056677974371202255218673851364131789671473691574433096417075121528588402359581361158799097959036473004250639960758777616918183328781015357133243056666635489179746510848101671849130054209204940643365801196167561302055721394606647694829945725888530827806905974253947329319569212715088140891156550477694377451640373695999130881861851310604135404065289942033413772426898353633023145834832607818049198328300241921966159707465518316425963922107003544304208204472132409124537943699862432291004154303192074572932524017604417353446712909666812383356142387908311374215141778663410824135149672765578066998499664786292014509742518891446779081347520546058411077619109268312317365148703172651293068922285913392198272180309296169205839659609282086001971653956815135534975562318697490922445535606597320025453192491218491224019563645532184851857956167474011232888094026030375811789344514135340968162290596894827187053130087356583561315137918539597399305819030779991955550662764747289244921388899300606478515609414856722706366367075896625100722415436099829884020459125315796784880914688724952159442968310623854817139131224375052694976466299576834951112656459960776371365032532187618775939757263046710211535430096741614206087481840828018031384511
 . . . . . . . . . . . . . . . . . . . . [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)
							b57e2009e5e612267f2752283d49cec21c5b9a9c
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.fizyr.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fizyr.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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001871e71ebff0000040300473045022001a6913446f99896d80166a86061735c52b2876ead0def2e91964fbf13f32997022100d553deacfd9f06719f0c458b8c7e4ca82fcdc740871f49fbe174464621823ed10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001871e71ec080000040300483046022100a8f521142a2ca24f58b10b19e0abe28152d05c8af17a1c6431d7ba3c4afd50bb022100f47eeb244279703375672573b2eb0c7c0eedcaf28476a84dbd41f5734dde3c97
 . . . . [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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