www.berto.media

Issued by R3

About this certificate

This digital certificate with serial number 04:fa:5b:fb:a1:ed:40:1a:c8:66:ca:1c:20:ff:c1:76:2b:41 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=www.berto.media

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:fa:5b:fb:a1:ed:40:1a:c8:66:ca:1c:20:ff:c1:76:2b:41
Serial Number (int): 433642001755668382161377147816096409463617
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 41:b3:f1:c1:1a:c9:57:1f:0c:4a:b4:3b:9a:9c:d7:3d:97:fd:52:ab
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 95:f7:18:65:bc:e9:78:23:00:eb:1c:3b:68:6a:7d:f5:46:f3:d7:38
Fingerprint (sha256): 74:ba:00:39:4f:41:06:16:98:7b:34:18:73:8d:69:a1:54:01:b7:ef:a8:a3:55:08:0c:c5:3f:44:0b:0b:b8:90

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

Revocation information

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

Check the revocation status for certificate www.berto.media

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.berto.media

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

berto.media
www.berto.media

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berto.media
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Certificate

The complete raw certificate details for www.berto.media in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxnoOil1yQxVbuNxfD+i7
81pIpA34Eaw/crgnprFoUiKUwJgXrbPdVt62fSEvpA9D6jtyR+cltGHY4kwHY7CR
9QDtGDSm4eSZZv2jc+V00uiEswsSeaXYbHxhpqgPDeYOIp2CY+mSbzzWn1BXDSca
hFi7sTX1AKzx1xOBK7CQZvq87cDaobJpvAcYy5sVgzFVPaVO2LyDGxww1sRvSxVo
eFtNwmYJzlNbjqw1r2EpxoIrh79DaFfV6kOsLedqqUfbovQ3WMMtRcfG9U5+nPzs
u2WobPJDD/3/OboTO/uT6SE6+MFZCpvTrAex6TrbmIufddhgUBlSYJh/sQ890uUz
bwIDAQAB
-----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 433642001755668382161377147816096409463617
 . . . . . . . . [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 2024-05-13 09:07:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-11 09:07:52 +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 'www.berto.media'
 . . . . . . . . [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 25055372834013648829404597139569885736547110094011696758223415090332782502719274000892290258733377121104022030915716265066182170063385031988246688757297918761103670753334374850985645967943936378301902539918305908641094032669751454132408603251726379810900292642375878881512577053986713265193298351323808583985889969119752336935422043663168616677173355481662845768229352129552857254458395159701616052566005680680767759850800180170871062751267097312984809071925604351404569918266802055428147585218061478611423296822853238340107670839138988077302880280259380673374242255802786885040280164879009356132325635248691526054767
 . . . . . . . . . . . . . . . . . . . . [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)
							41b3f1c11ac9571f0c4ab43b9a9cd73d97fd52ab
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'berto.media'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.berto.media'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f716c4bb80000040300483046022100ff25a299571c2b082ee0c99eb8b9b1031e0727dbb84c83d8cd4f192357824796022100866d1386dad3a5482c6e95dd686f36a4ccc0f97914b7f35376095866e2b59e330076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f716c4bcc0000040300473045022100eeebd162e8ac1911fb672d3e6668b3c6b1d9811191654d198b84c5913b8c3b9b02202f34cd294f34f4b18caa4463d677112c7d9bd1413a732164315b4ced93e6b73b
 . . . . [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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