www.castelguelfo.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3a:71:e2:c1:dc:6b:4f:f9:ec:14:be:f5:25:d7:53:ea:84 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=www.castelguelfo.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3a:71:e2:c1:dc:6b:4f:f9:ec:14:be:f5:25:d7:53:ea:84
Serial Number (int): 281224615231277356024754964136686467148420
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c0:e6:d8:1d:c8:ae:5c:2b:c4:27:aa:90:1a:a9:86:20:7d:62:9b:36
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ae:32:67:a6:90:01:41:7c:06:b9:84:29:c3:c9:62:bd:d9:06:e7:81
Fingerprint (sha256): a3:4f:bc:0b:2c:08:57:d5:29:c6:cc:93:7a:11:cc:4a:27:10:7f:99:0a:d0:fe:88:f9:78:7a:f2:44:f2:57:d9

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 www.castelguelfo.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.castelguelfo.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

www.castelguelfo.org

Other certificates including the domain name castelguelfo.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.castelguelfo.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 281224615231277356024754964136686467148420
 . . . . . . . . [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 2019-09-29 06:47:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-28 06:47:34 +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.castelguelfo.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 826918054711990999175282802218328387553711784082710127889842276619634894253880211151267701959349632980019394965368188432538241211570099548423721414654296984566638816893478413940619048399957150048560216092478695406830557955317382104588156978896629533768813154710168617964777770408314916264709429025988047949955811074316574748372819911252741225122225190384628662731388688488502093333219378262451753605928985309271935566116761539823726908074850499502343688045134240206231922102409236781171649856272238322275958730069787649815010733565245987889502330743964619139323285913426883345227203231080642447027136797836592588390002299930797920090847243695982684455830727414395950801464535076428081125555165339527287920140883936674883828150544013294083639975743203717668092281219454734153382986077698640348931125596878560618996343850853653282440698188874155007678670637601672557699074498253989976849831841948517190725661743885635259522945488515271756998641418264948360077289365714024411073146415404106449727863837131601081187121829047032522348962183191979919660185196237077971907096830847165298136996171415247889751775863749177777906391057575283712939244057523474521703125879565061656683817146679365541299194808758029291317985703933356515058213951
 . . . . . . . . . . . . . . . . . . . . [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)
							c0e6d81dc8ae5c2bc427aa901aa986207d629b36
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.castelguelfo.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d7bfd347b00000403004730450220209ed64061a093a0ecfb96f0e5c18b227762c4e00e92cb8ce77828986fa16346022100bb3d170027c88411103bdef825708098635a11c0d3b369428b934b2b2d4f2c25007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d7bfd34a200000403004830460221009ea4e8917d7059d25e4239fcc049a98cf8bbe6373c4fd14c9850e80f66271119022100f0f6fce90671152e40b939de8aec1c8ea78bcf3a4859962fbe1eedbb2848c3af
 . . . . [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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