www.castelguelfo.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:83:06:24:a7:4a:64:6b:81:f5:d3:42:50:32:ba:82:0a:83 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): 04:83:06:24:a7:4a:64:6b:81:f5:d3:42:50:32:ba:82:0a:83
Serial Number (int): 393034299477401908354879027983341553060483
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a8:d5:cb:7c:b4:87:aa:d7:a7:94:fa:3c:3a:a0:eb:b0:96:bf:5b:52
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cf:78:2f:d2:f1:d8:18:c8:cb:72:d4:b1:67:69:63:79:f6:e5:00:3d
Fingerprint (sha256): 7c:7e:2a:29:46:e4:6a:a0:b9:20:48:ed:69:0f:39:21:e1:37:2f:19:20:cf:e6:29:00:85:e4:2d:c2:a8:8b:15

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 393034299477401908354879027983341553060483
 . . . . . . . . [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 2020-02-04 16:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 16:03:00 +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 787741853943060929325720224602951322650196343226670465471492947058618615656245094629014937512722213220141204792145086340147416702556291966545010198032419648549812045549307605191442466446888193012576086942204921696232898897378860695478505667124689624069108709229449260515068119200178740973736138974303035932703347133637171000779593630992682178969452121566183985003363162274137813981819470785524502801896142383086064083364991891467434743647710073653279631297334158455955719077916947811003786129262965056507735555911565050318965181043032324452768488866056457447181910536722187647793963758827280323361811163356409054526865704187147458019008921288825795488434253014964551433611282960989812738870583052743942774549246258599563735386876124945301192159058230425635805983542462335298855350712995180214372186098767697096126696004892653391653555103053985207794629561099889638755144283994658491444969790778874879930407103115132910578584711172595686568968980776345940678456769165639123592353043526825371899866647920578708343613897767991489986777426656910592283561479973575200792981965837235091460117453303252578904625156868988633908900177851086141646820946478417234642353821123674125990205574722272515976895618891165540712458965049663254012982131
 . . . . . . . . . . . . . . . . . . . . [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)
							a8d5cb7cb487aad7a794fa3c3aa0ebb096bf5b52
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001701127b97e000004030046304402206c9b9772b01425593b67e3aa18a5b0d000b7d748dfd6243107e60573f2e65d47022032cc16f58d598d0ba7b8d9f5af4bce17263eb68344dfb94e627ee3a5393a9aa2007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001701127b96f000004030046304402202ef86b392e21b492c20f7f04c67ce246a26fd3f95ea05978377341380e060e790220112468e67cf6f3378b100c97ccf876e1f840d5c606cc57ba677d62db527859ef
 . . . . [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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