www.centromessaggi.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:95:1f:81:09:47:c1:68:58:db:44:db:16:47:5d:68:72:8a 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.centromessaggi.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:95:1f:81:09:47:c1:68:58:db:44:db:16:47:5d:68:72:8aSerial Number (int): 312080806528891397106910223800772959171210
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 28:b7:86:a2:c3:9a:7c:9f:35:75:53:3c:89:1b:07:c7:d9:8b:d9:76
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 07:8d:bd:fb:91:f4:11:d4:ad:5b:9e:39:12:ec:49:9b:60:67:38:ba
Fingerprint (sha256): a8:ee:97:a3:d2:01:87:99:40:1a:47:a3:80:3d:c9:b6:f6:fb:f2:e7:72:2a:d2:f4:cc:f8:ca:5b:04:3a:07:6c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.centromessaggi.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.centromessaggi.com
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.centromessaggi.com
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Certificate
The complete raw certificate details for www.centromessaggi.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGYzCCBUugAwIBAgISA5UfgQlHwWhY20TbFkddaHKKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MTIxMTQ5NDZaFw0x OTEwMTAxMTQ5NDZaMCExHzAdBgNVBAMTFnd3dy5jZW50cm9tZXNzYWdnaS5jb20w ggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDmj+x8TEAFQYJdoLwN18uy sKD75QlMW1tyetD+KEej8rn3GNh0eE4PpNYraN3GaOnOPMSLzkxm5wxII2aTd3sk CW5EWR7HAtMm5pJHV13RXyuU3b0tq/YEkb+IdmUiFLXEfuuqatm5tw4ZDqBCsRBr UvF6ANkBBOySnSnk/MZtuDEHzVJNzYeplnVce+7kj1xMTekf+1CsjFWfv5rQrMSb p3O3nZjkRyOJsgTJd07IOfbt95fk8mICrvwQ1cGChfFjrwtncG6x3S0vufPWQITj U33kUUTa53z5SfCDWFWGdkLlaJCqR1g2Lnucgx3yi5uP18cdTBxTpEsDfR8HEzDb ssWKH8sVDQ0UtKKOjH+Xmez7FqBAOT0pLbHNAQJs2okAFLNDG4A5Zw+Va0OZEo6c FpFq3E0w0pxZ/74KO7Vs//NvcCgjYcou59IIQXxxtGD/P+/qM+zrNKZRIDxD8tsT +fhadDsofD23XsO8lVOI7rVZarU7fHH8PAF1K+1kIqc+I1FZdUcMPwbdWaCc98rx AJnia37GRDVR8se3B6sIYTBpH6Zk2yR3+eet7FzimsBj6e8hxP1dF1TRT/C3fo2w 59WSKzxDcqEvFCnNJGGmgoVqN7xdx5n6gEOWTVispaUGgCy3nRff58mCpFthYS2G 4Dq0vL58BqvlOPALGRm3+QIDAQABo4ICajCCAmYwDgYDVR0PAQH/BAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud DgQWBBQot4aiw5p8nzV1UzyJGwfH2YvZdjAfBgNVHSMEGDAWgBSoSmpjBH3duubR ObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9v Y3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9j ZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMCEGA1UdEQQaMBiCFnd3dy5jZW50 cm9tZXNzYWdnaS5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMB AQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggED BgorBgEEAdZ5AgQCBIH0BIHxAO8AdgDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8o kwGd3fHb/gAAAWvmO3o5AAAEAwBHMEUCICOdKSV+KaBq4PSzqpRXzud1OeoPirn5 ZUzA4PaC2stfAiEAwHC1EDHk9y5plXQIdymBSE2CeGDlFnhJUwrvX6TIPScAdQBj 8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWvmO3pXAAAEAwBGMEQC IBZM7gi6J5Id7gTiZAw6Yw/RVVbyhC7MsU0f+AyQgdteAiBkcI/PQwcp/7C+RkYJ MplYCEmy6IN0P70jruS/DCZ0mjANBgkqhkiG9w0BAQsFAAOCAQEAYx2DaBBwWCBi sTvQXel20j7S9p4w4nEQBsDWNtIHxY6ziS4bfDFlx17aW1vWJhldMFX4O/VWVlpz 1SzK5Uj9b5yNSQfUJVPmWwZBd9zczgJlvrvH2sne8mbpqjttjr3dsBZbNV6aMDJj SwotBn9bQqhlQtcAlOonAUOkRYq5+WuBlfahmBAvErWPNs+skeLzZ7xampnUhSQn FiVHMlT7kcoOieOe3JCkov2Dd3H8xxzke9p1J4RZQsH79aUMXhYHg9qaKTQiPbQQ A42fIVluBr80CriJI2Hu7Ia/YpcIucTfnRbVagt2VrJb1/1kH3jT0MBs7TANFRST RP97imQ8+g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA5o/sfExABUGCXaC8DdfL srCg++UJTFtbcnrQ/ihHo/K59xjYdHhOD6TWK2jdxmjpzjzEi85MZucMSCNmk3d7 JAluRFkexwLTJuaSR1dd0V8rlN29Lav2BJG/iHZlIhS1xH7rqmrZubcOGQ6gQrEQ a1LxegDZAQTskp0p5PzGbbgxB81STc2HqZZ1XHvu5I9cTE3pH/tQrIxVn7+a0KzE m6dzt52Y5EcjibIEyXdOyDn27feX5PJiAq78ENXBgoXxY68LZ3Busd0tL7nz1kCE 41N95FFE2ud8+Unwg1hVhnZC5WiQqkdYNi57nIMd8oubj9fHHUwcU6RLA30fBxMw 27LFih/LFQ0NFLSijox/l5ns+xagQDk9KS2xzQECbNqJABSzQxuAOWcPlWtDmRKO nBaRatxNMNKcWf++Cju1bP/zb3AoI2HKLufSCEF8cbRg/z/v6jPs6zSmUSA8Q/Lb E/n4WnQ7KHw9t17DvJVTiO61WWq1O3xx/DwBdSvtZCKnPiNRWXVHDD8G3VmgnPfK 8QCZ4mt+xkQ1UfLHtwerCGEwaR+mZNskd/nnrexc4prAY+nvIcT9XRdU0U/wt36N sOfVkis8Q3KhLxQpzSRhpoKFaje8XceZ+oBDlk1YrKWlBoAst50X3+fJgqRbYWEt huA6tLy+fAar5TjwCxkZt/kCAwEAAQ== -----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 312080806528891397106910223800772959171210 . . . . . . . . [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 2019-07-12 11:49:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-10 11:49:46 +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.centromessaggi.com' . . . . . . . . [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 940611720649303417186516412807895499220104191847430958725001545562855009971445208426186677725450589416887987731327620137831996716266236356187421376735586972640916573083986408405212458369801181654383990297005958265296515887972031122099250895383095477820622520150682502694798250020778132451379967358313506643646911253682041770537139691220900539479250987323470622717411206451981582566402444003305117143044655935949928252827312638840041790284334071371823226622704038055241007612925395052475042031998276755064120164655872106614020811758206171481079528744520240551590254814291796361960939714980424248018834822527611717458434654546998136045160934398307551601646525163026565706795470091543558454279152507490550961355832878669168102097388741398103481849875030602612589682009088402606288619657839716999432129201551973076096436449599486805123642736845771476844086259780534455293621530292318765994390940606849330752463228825165218575687833668160898184815013524852910003320722333231885566003257783671073481391753683254050389296538321448134310996267887080754724093170136986647240063674323735183726725337503544624427086043416832166145629585917413580766261285600537099903829620472290646850614822200147927071278194638321149483289632253650277987104761 . . . . . . . . . . . . . . . . . . . . [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) 28b786a2c39a7c9f3575533c891b07c7d98bd976 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centromessaggi.com' . . . . . . . . . . . . . . . . [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) 00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016be63b7a3900000403004730450220239d29257e29a06ae0f4b3aa9457cee77539ea0f8ab9f9654cc0e0f682dacb5f022100c070b51031e4f72e69957408772981484d827860e5167849530aef5fa4c83d2700750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016be63b7a5700000403004630440220164cee08ba27921dee04e2640c3a630fd15556f2842eccb14d1ff80c9081db5e022064708fcf430729ffb0be4646093299580849b2e883743fbd23aee4bf0c26749a . . . . [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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