fizyr.com

Issued by R3

About this certificate

This digital certificate with serial number 03:5f:bc:8f:fa:a3:2a:5c:73:53:c2:5e:14:97:b4:00:e6:f5 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): 03:5f:bc:8f:fa:a3:2a:5c:73:53:c2:5e:14:97:b4:00:e6:f5
Serial Number (int): 293914325097957930172296906797914802677493
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1c:c0:7a:c0:7d:aa:a1:10:96:4c:1f:91:2a:d1:f7:ba:1c:2b:3f:91
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ad:34:e2:0f:0c:4a:6c:02:c9:e6:1a:50:ba:13:7f:cf:50:71:5a:50
Fingerprint (sha256): 39:9c:08:7a:cd:a4:a0:d4:16:db:01:15:4b:56:e6:56:fe:66:41:bc:89:b9:c5:31:07:75:4d:9a:d4:df:36:e3

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-----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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 293914325097957930172296906797914802677493
 . . . . . . . . [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 2023-05-25 14:08:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-23 14:08:19 +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 918301840788387595434592518660930994754826875001086602306192173727537642073843437026222354807633494215569024641953708420870841290868967676908307717069687553578879249638865405517418540916498192458090067443437117820260567134665559258511964139993982894174529082196973223444810885690458943156793481891197798449515390098662866482572806939109069312605603130322228342360679924916394441593678739902875025769411081516939757022294295629163232442581013605431108263456354779580325840157595222260357733845830496803098392222864474243668064533414273724025699378999348017486933356599354594836724690419538003920768134482141900597888472009492822142903869181761214429146992320767277425188616447065043824461059480123356124471726620351323885506471006441037392809867291819976402221838969348777977330061119848480481511620670041668426034903304210041127730807321415461073707068311057698502384818588283681811825952724023776074300079715273495757314426567439968134236883366802860658695287695993020594159595024034646509769540112680682772635054672881847446182184156327920012224301676234158919950348098192108474532920512576111295370551309557115363878779489268224858712948121851303400093856405640678467047699687703993565691867748750523572937834188058615494056850801
 . . . . . . . . . . . . . . . . . . . . [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)
							1cc07ac07daaa110964c1f912ad1f7ba1c2b3f91
 . . . . . . . . . . . . . . . . [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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188537424cc0000040300473045022046f7f8c1733b69f3b9351926908dd5a7796143d572406df4e779dd2980ba07a80221008fd830db1c7e45e5e191ed53cd8eadfdf0750221446db748e0f363acebd9960b007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000188537425060000040300483046022100bcd19eb85978bab3814d1fc1aeb6198f310afd236a6129c359a772f935b80b25022100f4fae32cd3e0b2165f54391b26a7091311acec0ffccac3abfb2ab4db0e90db33
 . . . . [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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