isivi.pl

Issued by R3

About this certificate

This digital certificate with serial number 04:03:37:73:00:2d:55:16:e9:60:5b:d2:6e:6c:ca:57:98:d9 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=isivi.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:03:37:73:00:2d:55:16:e9:60:5b:d2:6e:6c:ca:57:98:d9
Serial Number (int): 349543695485302305092506347684131702806745
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:ee:a8:ee:bc:5e:c4:29:4d:c7:31:83:d7:6e:d6:ad:4b:64:bc:db
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fb:be:98:bf:e5:b6:ac:18:37:ad:66:68:80:0d:50:69:02:b2:47:db
Fingerprint (sha256): 22:05:a6:3e:74:bc:09:85:5d:31:b3:96:a7:43:51:ce:e3:00:64:26:04:0a:28:a6:6f:b7:b1:25:87:bc:f3:2c

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

Revocation information

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

Check the revocation status for certificate isivi.pl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for isivi.pl

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

isivi.pl

Other certificates including the domain name isivi.pl

(limited to 100 certificates)
isivi.pl
isivi.pl
www.isivi.pl
*.isivi.pl
isivi.pl
*.isivi.pl
isivi.pl
www.isivi.pl
www.isivi.pl
*.isivi.pl
*.isivi.pl
isivi.pl
*.isivi.pl
isivi.pl
isivi.pl
*.isivi.pl
blog.isivi.pl
www.isivi.pl

Certificate

The complete raw certificate details for isivi.pl 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 349543695485302305092506347684131702806745
 . . . . . . . . [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 2024-01-28 13:25:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-27 13:25:49 +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 'isivi.pl'
 . . . . . . . . [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 924517357065719154804478814414919285593177631657991582175979454430577689532294219884695676030822354814153421809586122881123457243713411614679104697973394812319024344844014993188631566423900483669844780154812337136322353090308476791252385493258491136351270904620504251990263715777651807709398140367002131701804792658738413088330173006180320466411122732404792393479856994379688978013676161905153686495877416342182846961440762887209383688031577343701021725122719030308378475969461811920973216050047320276797743725510858527753181767216278045447899146138419553463477748148227353646280055784214621393438692017464310217151195364101753971479802642866227865506601739314857465562902191086050871290310350047114074722733050828112188218763548635652548339483867816041271912221690155481196817837802087712610325241558567928818979672740343147459340872892577696385422174774740265772663675777791372009895513766244397796289631355803392727355627098643333063586672689256503554088873829351080095964940109016205673750305438406364187740036979323921706005811664193056669230913761426670672245495097363598869347973775975055982152485782913645606669765610115760769164290103450407845203691287440414018039279645253292873439406043209909414679226742583041555616112031
 . . . . . . . . . . . . . . . . . . . . [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)
							b5eea8eebc5ec4294dc73183d76ed6ad4b64bcdb
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'isivi.pl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d50765a9f0000040300473045022044d1d000c5c38f59cdc311d50a42017024d77d0f8024e35b921a6c8b4aeb9d74022100e661d0a878d522cab19a31b0e5da4109565a5ebf375777cf758029e0f08f824800760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d50765afb000004030047304502205841655f87cc5a3c5a7204e10f9350073697a564c46eff3da53c08ca8e4ddf7d022100f6e0e24450242d35acb6e95dcd8284e6956765309d23ab6998527f8223ec0006
 . . . . [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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