www.romanodilombardia.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:10:a9:f5:85:55:7d:7e:22:0a:6d:70:71:35:71:ad:5c:a9 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.romanodilombardia.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:10:a9:f5:85:55:7d:7e:22:0a:6d:70:71:35:71:ad:5c:a9
Serial Number (int): 267007290014367456381593814034323495279785
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:9a:ae:b7:59:e0:67:23:35:fa:01:f7:53:35:b5:8c:0b:83:09:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bc:f0:94:60:78:8a:0c:c2:1e:89:14:25:a3:8f:8d:54:34:a3:99:db
Fingerprint (sha256): 6a:97:2b:e9:f7:eb:56:b0:a3:be:8b:7c:f8:27:5a:ae:e8:2f:6f:7c:df:2f:62:d0:a4:38:bd:95:96:57:90:19

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.romanodilombardia.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.romanodilombardia.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.romanodilombardia.org

Other certificates including the domain name romanodilombardia.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.romanodilombardia.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGaTCCBVGgAwIBAgISAxCp9YVVfX4iCm1wcTVxrVypMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA0MDMxNzI3MjJaFw0y
MDA3MDIxNzI3MjJaMCQxIjAgBgNVBAMTGXd3dy5yb21hbm9kaWxvbWJhcmRpYS5v
cmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDDD5LwR9cqk/h4iJOI
3k91IBa5kk5oQkYRnIYB2cZEu+FCo9Gb29t0saT17fIZYBEj+icmEzwRQy9KcFw/
cTdaOGJX99gbmoLc21t+j+zCz1QPupqNmM2CDV+jsifoKtaNevZHAQchBl1lOs1+
etQEGBai5LxYXTFYvBYF/NVk+PRb7+kcq53NndeHCgsmk9QcFr11OxdQA8e0cDNZ
LEAgP7oV3qP81p/3Q0Y47+IJH9zzQRAv3A/WvrFodoqqE9UPIk3bkEewrfAaphAv
JQKDF3FtZkcK4gt2AA8J322Z9EK9j+M6+aKGjNBglmGVXQPCia86dzcVceJD8H33
lVu25LLApX/cuVwq9uxlFGJ63G8lDjIYWQKweOj42mPtQGH8vaVeu+tl+IFuPJ5Y
+eiFEZSLNIdKcmjDa31+6vMIFOT5H41sm9mcX3vwgIjWVCvTW9lGwyum02oGWFLj
Qkv6HnCdZLKxqMOjjJSqwKFG3n9t9HBaLwSIvwOEiEZvggWLk8MR36BWVUhKLjRz
ARxzIYZeflQTmdzUXAIAm9ap5e80/a+THS5H3SeBAyNJmjejE58IUQ2V6I2dNUi7
B7E8c+kiCRaTHnjd9FrUSujXy+zT2f7DhFStaUHaCYRKhirvL/cNdMuzxz6Euh21
BI3ayfg0zM7kP4WTYXZFKf8+vQIDAQABo4ICbTCCAmkwDgYDVR0PAQH/BAQDAgWg
MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G
A1UdDgQWBBS+mq63WeBnIzX6AfdTNbWMC4MJqTAfBgNVHSMEGDAWgBSoSmpjBH3d
uubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6
Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6
Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCQGA1UdEQQdMBuCGXd3dy5y
b21hbm9kaWxvbWJhcmRpYS5vcmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB
BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v
cmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8AdQBvU3asMfAxGdiZAKRRFf93FRwR
2QLBACkGjbIImjfZEwAAAXFBTCf8AAAEAwBGMEQCIA2NnHuhXhHDSyGTzYrdddWV
3TEvloNgbGc7xovA2/4KAiBmRKTVNWDiuLvG3XGZs6RUG4nm/c02IcemGfxnMitD
xgB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcUFMJ/sAAAQD
AEcwRQIhAPQ9tEWQ126bz+YRCmiD7VmzYIr1nz2MWI1UIsuylx2zAiAm0LXmxUC8
ADZ9vQOI6Ns5rQz1Do3ElocIFQ5aBKuKmDANBgkqhkiG9w0BAQsFAAOCAQEAX+nk
QkGSwpz1rf0YeMp/KR2Og+IvAriGbUdSL18GblH6taZqbNlMrPxaSrKcNzdj7DN5
MR7rFCKpBNcO+/rF2Ty+DYczOP0Jff8OM9n2zvLfA5qOvsh8QtRhWzp0AyEe7L5T
rW3MVgq/YozcyxjYsSSkIQNRv7XDVQxQlPLVALpV+ejoUyWtEsTPytBSHpZZBmv6
9hjLbB9md1GtYobJC32sPkEPWPuEFnjTg9th5GatAwwwxXv+FqXePlvZenoSWXgm
7x7xWaRzBkoMk5BNp7IKCxtMZf08pKyf1kIn+8LVZYhU2WUeTzeTZJxZyFqEAyKr
iKry24VYqgyZuzf8Gg==
-----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 267007290014367456381593814034323495279785
 . . . . . . . . [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 2020-04-03 17:27:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-02 17:27:22 +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.romanodilombardia.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 795778781899080148525458429308042123536311298100163235714042128432984571594080150716756815711757016552820626706090952836402479365113875855197968883932215063310835032135013682900683881155796141200662461561294972086144343502756193655762510558069413845120478976320707929080122613300364630655034888861495346834787876637153839335426601577538153038325056998407639610667846946078696088500624945589682716833310034547956455212623190026205634027238825506303279424439297707229722544754261507802746515440708149914145108266422207249260474494830379007733822274536929023700242490094399069988210383837033043574917284525869212204835929077937495790611940112324024955149217647703239932861776708063511623267311999814621900616989969052595993279681080589731718735920138853386559752800967625262286584957857703974993303386742752472549371497798895523584645766734833907171903405233474205775149875923517544307270514337207657298517673192070076156474366580972886799299320258429455389748597910735582650574938245578182230953033948528832842022429455256672367879285924915413205219692382826454395298295326323382584448652618902716804297278225788689526099618295008169687354218191427158438743302327290608924246066435464879038172169557576521067194045455636182502521913021
 . . . . . . . . . . . . . . . . . . . . [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)
							be9aaeb759e0672335fa01f75335b58c0b8309a9
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.romanodilombardia.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000171414c27fc000004030046304402200d8d9c7ba15e11c34b2193cd8add75d595dd312f9683606c673bc68bc0dbfe0a02206644a4d53560e2b8bbc6dd7199b3a4541b89e6fdcd3621c7a619fc67322b43c600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000171414c27fb0000040300473045022100f43db44590d76e9bcfe6110a6883ed59b3608af59f3d8c588d5422cbb2971db3022026d0b5e6c540bc00367dbd0388e8db39ad0cf50e8dc4968708150e5a04ab8a98
 . . . . [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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