castelsangiovanni.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:b2:3f:ad:67:ec:e6:9a:9d:ab:81:a4:b5:7a:d5:0b:70 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=castelsangiovanni.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b5:b2:3f:ad:67:ec:e6:9a:9d:ab:81:a4:b5:7a:d5:0b:70
Serial Number (int): 323164899423013083962377471968135005670256
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:4a:ab:45:e9:2a:af:16:5f:4b:49:e2:93:31:19:f7:b2:57:69:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f9:d0:00:ce:25:b5:72:b7:57:c4:ee:00:9b:02:9c:94:8b:ee:30:33
Fingerprint (sha256): 8a:50:70:a3:03:f1:9c:16:33:6f:55:48:c9:15:77:3f:99:65:67:27:05:15:7a:51:88:25:58:c3:44:42:98:22

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate castelsangiovanni.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for castelsangiovanni.org

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

castelsangiovanni.org

Other certificates including the domain name castelsangiovanni.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for castelsangiovanni.org 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 323164899423013083962377471968135005670256
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-12 08:59:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-12 08:59:50 +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 'castelsangiovanni.org'
 . . . . . . . . [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 992390179065749174251576184334007596078882610587218268589632546254967468234401595045702067815785600166355943021192927855784786312867268476610821045183581243843944370909359875875572583956484350555931123352739804688967741546422315307505393138116457863573711406906351578640174960259434492657438760882905696869928421874180290538622104614995625377353256078397630070482284368638952960117838276386075233692044945377268399551120788498824371830416879819862276002115866981430102393228512931065699220016477669297020366356275090900565178010489989100876075265044082309908236831708067769814911235199911947889868082271451402686664769121531561587410449297563597120900530725217444505576196447919854234067831281588450231075864012006656006927343817823004714325632274689881284342722356014396024538346747672393609246421861506571730158534491032213627338417115928288447356824104052038881323050404276272103206831335669976425417949757827435039959245496689721246052536467685891174823660233395698523725626840570489124193704911803761145576881195348655448912881659533823409689017685231186943748898491733606930709327098739283675662353309013643147222137397065302232733389125249002757627727428723526550353426149000737306931688413585608260224468737520605590725322211
 . . . . . . . . . . . . . . . . . . . . [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)
							5d4aab45e92aaf165f4b49e2933119f7b2576975
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'castelsangiovanni.org'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017038d72dfa00000403004730450221009f3b0faa3b0716ad6c1119b0e7f79082031993aaa33391dd36b8435ee24be7b402206b9873bf3168cbf698cf05434613ff3206a0c12ae0f5b7660e3f9027876fe4fd007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017038d72fdc0000040300473045022016313c71440a7acbb7d5f1481330e301a5ad88ef9298365ef49ee58d3e2fc57e0221009b13ec6a78c86bc70c8dabe256e2ac12be6e476451e78ebe606c07350722393e
 . . . . [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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