www.centromessaggi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:77:a1:74:83:4b:b1:e5:43:6c:60:55:12:15:e4:b9:77:23 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): 03:77:a1:74:83:4b:b1:e5:43:6c:60:55:12:15:e4:b9:77:23
Serial Number (int): 302045070135622204863643164136621500626723
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3d:26:07:0b:16:fe:3e:9c:a0:d0:b2:bc:15:77:51:ed:38:25:52:87
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 11:55:f3:2b:6b:bc:23:80:d8:e0:70:89:08:16:94:25:9d:85:ec:60
Fingerprint (sha256): 99:18:9c:49:01:92:39:ae:15:68:ab:39:ff:1f:47:af:3c:2f:83:52:dc:e1:16:6e:b8:53:9c:c2:af:84:e2:5a

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.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

Other certificates including the domain name centromessaggi.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.centromessaggi.com 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 302045070135622204863643164136621500626723
 . . . . . . . . [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 2019-11-30 05:33:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-28 05:33:21 +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 726794966890146602428953924858002417564821321321375294078172441990972462046607727023790246535358897413452441151854142441536152371763390903809891247745778955629751928271078512802916936633250013994358649497342626827543934902450253013188364623509511184938003997195786015617917500880833953457866975872881523376322093852269699609001608477669050379812830420484820168612398125991664068206599122650036763120850019419977632419417950052312226340219509293656251705103766740469540162333432572825339777329312613121879853864751511385786134571465146031273610487825308252151589025878650137873496739250296557478145915122655529657535551251511707048073702281562922969834825066485540363854900353361090995962174514568936352976240308093128067380475657754270766542617197174854573910399113320889199614433499974788938099175925472949111591243635682274611238000030316173692038110430854866643584350350434271350640886299633923187857358153772459361728973359045880563004546688170150900535028741653825947757043463336512881021839100877817826704656215475420937605707647329250619233363110995542687476692681943955447452714937907537958951034528108807568275804105162881314317336005513423912887479639842456889644519379311747930538846780578916105963465611448636505888968977
 . . . . . . . . . . . . . . . . . . . . [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)
							3d26070b16fe3e9ca0d0b2bc157751ed38255287
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ebb038aac000004030047304502204988fc0220d490ba0f451f03596bf6d78ce3f89881d18bbdf165f703161695d6022100a8402135c886a5a40300ed9817aaf92a7a335d532eaae32c1a2c090246ebd31f007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ebb038aa3000004030047304502210097d59e12eb1a7519fa4eb1d38171154a97e7150211711c7a35a667b01f5c5c9c0220709ec0f52a9f3ea32b4549939ac381df476745f1c3188f2043bc1b28ae651a60
 . . . . [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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