www.salaricevimentipuglia.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:24:4d:a1:4e:2c:58:76:41:4b:8c:e9:c0:2d:0e:30:f2:36 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.salaricevimentipuglia.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:24:4d:a1:4e:2c:58:76:41:4b:8c:e9:c0:2d:0e:30:f2:36
Serial Number (int): 273690211105445553131931368793173946069558
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: aa:8a:85:31:52:39:8e:a5:59:ce:cf:c7:22:ce:75:1b:2d:fd:8f:62
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 28:3b:55:7b:61:0a:04:ea:98:05:34:97:16:d5:ae:a2:e6:cb:54:14
Fingerprint (sha256): ea:a2:1e:6b:17:91:d2:2c:db:3f:07:5e:da:da:5e:22:75:8d:d7:47:b2:40:5e:48:d1:58:db:67:a5:4d:7e:24

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.salaricevimentipuglia.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.salaricevimentipuglia.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.salaricevimentipuglia.com

Other certificates including the domain name salaricevimentipuglia.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.salaricevimentipuglia.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 273690211105445553131931368793173946069558
 . . . . . . . . [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 2019-11-28 21:19:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-26 21:19:18 +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.salaricevimentipuglia.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 829755243838019861624250368913551366892127279717103764684061634306532221036532355353829113112262017835740526581335720015888435800994242306783426214704470034292274180821517161965340523449845385909760571757909725152285613896115076422574434378408570369308913359873470267948149723582570327073965921168134976940550192386162331449002124508644400771678877122596451489190925113198338840460407744751582321428072970236956865468267990348434878397387170544461378749522249913878302376516148221856626829511535588647296096232385709341055981335923307287359975142913620164949431584250079740862416309484772549852422010797988464837627236116339094520927715528818213270766569875896181247365722837794245651244716445288030900365425498317167030286536936721558185153707700481152276040394199211460659327637423093814695250798322253938150944313130564770924338717738638340928731569225743939120335160114066447616212780807796172283978311046619867256145056224456209085599277124727240052307361213434434904618353890286637922953919508181537237028527666105635858578770606142761419074456217104587836223900360793670457121141290710839041981668309704957814598669928010867321442221211628285457017092165942399854488302775967986454422773014295041381965773225731121824336216029
 . . . . . . . . . . . . . . . . . . . . [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)
							aa8a853152398ea559cecfc722ce751b2dfd8f62
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.salaricevimentipuglia.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016eb418dd15000004030048304602210082839dd4004ffe6b50928e5b3f74a8b0d4299ce1faebc6c2fe022df42a417b36022100f354c36908a3cb44d43e053c924118483d13cbbf76ef43f6ab382058235ec112007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016eb418dd1b0000040300473045022100a6b552bb7b8bf6d4f16c0e6436c45ad3f26916aba1c1d44b1663c3ff487af27302207908046a0e37f1d87c15133c176739c578a77e0d15901fdc71fce1761d1a5e35
 . . . . [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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