www.castelguelfo.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:01:53:3c:5f:75:53:0e:23:86:c0:e5:d1:7a:14:45:13:79 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): 03:01:53:3c:5f:75:53:0e:23:86:c0:e5:d1:7a:14:45:13:79
Serial Number (int): 261787779559787650220066655302220761076601
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a4:56:44:57:83:47:ab:b1:f7:75:d5:4f:5b:50:3c:d3:ec:7d:96:60
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:f7:23:ec:ef:0b:f4:ad:0f:0e:59:25:ca:f7:3b:f7:22:8b:ad:1d
Fingerprint (sha256): 58:b1:51:da:d6:eb:d3:6f:78:a5:88:1b:a5:cf:08:0b:59:cf:26:43:98:d2:6a:96:42:06:9f:41:9a:d8:85:bb

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-----
MIIGXjCCBUagAwIBAgISAwFTPF91Uw4jhsDl0XoURRN5MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MjYxMDE3NTNaFw0x
OTEwMjQxMDE3NTNaMB8xHTAbBgNVBAMTFHd3dy5jYXN0ZWxndWVsZm8ub3JnMIIC
IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsGPNhEV8RZY/2JVmhmhLU+Dn
rabtSlLnrnFPfpfQK2hegw65w1cV4UvG5TmSXqnODaLADRmXLbzmmDZbIwlHIAxI
4+cJyLPuG0ZC9UwVDQ7a29/Lq9/SFG4GKOQYbjZPwf6zRMEhEKPc59KfwJnMsSeR
bcTo2qgBMED4VVxBUwCQSNDbAgqM0efN0dB0DAZMTc1G0+5WhCP1r8fR/taTBQ9o
m8MjC2HZU98LDSD+uvXXnvs26zoAoqSRQ5pTSEL2xUPQOcjNt5nLo2etVgyYB6Fh
vhZ2lZXt9hkhdwYAgfM6+uzGMLxBAB7QOu6iSQOhWV0J5SxT7sa48E8AENzjnAtP
qsCEqzxDC9iPVCYWHoeg+MByUleEUJZIc4OdyVWXImBt4YpnAaxYnSgGivRPYABw
AFdaTu6ynUl8pjfnC4BnkjehQfFubXvdqZ4wIVQsgJqQWCrNOC2kNa7c92yv0159
MLfsNdjATkpkxGtn+gKuIXwiYHGw/447hrQ4oj+pc9kCTGQp8oy/k/VKX1EXUIoD
kWp8kNhGUWvNVo9I0+/Mwk8F7jMzbRL9UOZvfrjNoahFEr3ihUCx6gV5up0hT4wc
XI4pBZLAtANqNs97qG0R6LoyQ//geXSEwPcndfFNt2OaC2GvBGPSeFpGa1V0x7ca
44hRnah+XvdICyZA110CAwEAAaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNV
HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E
FgQUpFZEV4NHq7H3ddVPW1A80+x9lmAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3
pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz
cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy
dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAfBgNVHREEGDAWghR3d3cuY2FzdGVs
Z3VlbGZvLm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAo
MCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisG
AQQB1nkCBAIEgfMEgfAA7gB1AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d
8dv+AAABbC4AZesAAAQDAEYwRAIgXb/lpuhXT8T1MFPWpUgjlz4n722wXlSclAVL
xQwWQCgCIA2GeVEKHQ7de8+d59k8fS7D4y9BchCJQcE/gCtLIDphAHUAY/Lbzeg7
zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFsLgBmDAAABAMARjBEAiBx8yKK
MunXYVTwcxUTo1efIPujXEXaM9a/Y22WwmaG9wIgfGvPZPqR0tXND5L4SSI1rJd0
1hmTi+MHpFrCsEV7JYMwDQYJKoZIhvcNAQELBQADggEBAC1RhxHk1uI+h45dgttb
qSND1gwUVfD2u8itPx6I/PEYZ2dWQkRi5ZWBZwyoq9hkmVCCn2lSGlWnSQPbijk7
77JPjkLPGhMOw4jg5fG1Gc4dtLKn2YZyowhP1rRfu93Agn9sXm1D4q6D8hvV/Ab5
g6GWin2EVfkMpTqd3Ch3BJ/9Ld/9CzrLFVOauQorzlni3K0ETlK68EjAQGbasUMi
myRt+kbaMt1EpySsOExt5u0nEnMM0unkHdEiMZnIbG9rIOmSeM6lZvlP0/6tQ11l
kvDBLHTs+wSMnXKweiWP3JdaVfWsH/m7LXntaGkPcfYFoqGmZss9MpFHlnLPbGPO
PoA=
-----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 261787779559787650220066655302220761076601
 . . . . . . . . [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 2019-07-26 10:17:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 10:17:53 +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 719607824327649175104110569668086325737042088810737148939793480513288120879263061801300635557888627886230992676486042557588280336186667734957138934954539106761285036255733263750406032335633375933464452070248632653586193588751577677694578660712498748995671969088620755250167854002143550038511529024064285476861719025821277190946528902916897043470078824059493244574561715005339574020106211445119126111098382629400621457558710665287155659902764885018522961097004513661545400425022225839827633346363922667068529776482786322875929704929310825706408709661261648083213244557906995781550723208750089304136665882799242592045814164502920761064963950940433776946815265163575659252785718357076403611875435285903809442139149498466215207610234734788971284263169958777002255901347688440934877659562167089350409791162950250435582085380752335593396218222592807583470812559126706587461353653092501665495609795142118130558843280393879424669667940567071374141046946430044668568322128364399017082483312542264320531449706026919220849654876333073470245095746892717415980595986137487333226167012847166142283182919741720503689022455009005257743893526338730009132556943289546072694216585503114740043241402082894697908268666741386194165955257433309232599455581
 . . . . . . . . . . . . . . . . . . . . [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)
							a45644578347abb1f775d54f5b503cd3ec7d9660
 . . . . . . . . . . . . . . . . [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)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c2e0065eb000004030046304402205dbfe5a6e8574fc4f53053d6a54823973e27ef6db05e549c94054bc50c16402802200d8679510a1d0edd7bcf9de7d93c7d2ec3e32f4172108941c13f802b4b203a6100750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c2e00660c0000040300463044022071f3228a32e9d76154f0731513a3579f20fba35c45da33d6bf636d96c26686f702207c6bcf64fa91d2d5cd0f92f8492235ac9774d619938be307a45ac2b0457b2583
 . . . . [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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