www.hotelanticoborgo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:01:7f:92:ef:ac:3f:75:43:0b:8d:79:ba:27:3d:9e:14:97 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.hotelanticoborgo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:01:7f:92:ef:ac:3f:75:43:0b:8d:79:ba:27:3d:9e:14:97
Serial Number (int): 261846715054150487345781622025561407624343
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:c0:94:b4:f7:96:d4:10:28:d5:8e:cf:c3:e7:74:d4:7c:a8:bd:af
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:de:89:86:99:da:7a:4c:0a:1f:ae:ab:27:51:0f:26:22:7c:f9:5f
Fingerprint (sha256): f4:1b:6a:a6:e7:87:c2:6c:75:81:f6:ad:2e:75:03:36:95:48:b0:df:1b:b6:b0:ab:a0:18:34:16:33:1a:50:1d

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.hotelanticoborgo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hotelanticoborgo.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.hotelanticoborgo.com

Other certificates including the domain name hotelanticoborgo.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.hotelanticoborgo.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 261846715054150487345781622025561407624343
 . . . . . . . . [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 2019-11-24 05:40:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-22 05:40:35 +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.hotelanticoborgo.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 604206395348137862195902323410195483965929967879676090418280607360865131851625060443586233242179220797989982682828702423735063921614692078259209193659761362647337040808570395875130510787759618730834680711863479918082349305267812165456601407036207980505792977439774801030617289197083301074973611438640486961294590323167609125927735630745449571843927651986814145083206548046268608146585718140608447157870687024271513580926705498523000414536062978016792733399086388957704239498352933987063472822920079014036982317077217539708862042956391266219666564794624206221867236659448188594831934810200880065251432569143469777907649645189049400450808503327526459544982568050339699329039467784993275211651754335102612515859688812744127999427589993632975696784423304857431425523012319477421988912579178356718595690214110289369683823579257202285287939436547780427864461828932510321526106293926928167718691699691228526134151983900368358267595333516705159447437919981679240093340333336173871371022572151583027981435548094250256812944192474703904517760433691537877181948697323806317795679418813070222569628978840620460625506482578218289566980523270451490765897703264000869220559931843358917557344666903990351870157079589701417421583538582537816716555781
 . . . . . . . . . . . . . . . . . . . . [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)
							c3c094b4f796d41028d58ecfc3e774d47ca8bdaf
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hotelanticoborgo.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)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e9c24003a00000403004730450220371bb0dea93817e35bef5d9238d1f8858d749c4ca311b5f7ebe322ad8c93129d022100988b1457573c7aeda7eaa130fa8c1acdaf5cae1eba4ec1e6ebdcb975c04b92700077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e9c24006e0000040300483046022100a2d0214c0b9f656649459a5907008cf801ce2e1558917127577ec19e05b0baf3022100ea57b4e0213b79bc3e2cea33f068b047a08d7ef27b84657a8d8014681de3af4e
 . . . . [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)
		008cf5c30a41646f1ceb682f5ed5f97dd5401dece2d2fd526796420a312b5cdb0d7e70a4fcb4d1ecfecc2acb58a9d23329d3c112f54fff860a2bd4db2c1f4b3baec4e708398a42298971708763c8ebd366651514387a468485ecae307ff2cd378aba810603cd4454fd2ef30b52775f81733d280fb98ff4cb7ae50480b2227449d03e124057fc731233970b69b9477abebcbe8f3e5641bbd8aea087aa4301af7cbb6872a9bc1100e607f24d5e6dab14a6c8f07b9887d4d16459c58d6f26f63230c8dfb74b57945441492ca75772d1a8d9bdba1b58047ceb7b8b7e02c713a31129959a773706e27b73752f651c2987300e0873ffa9170a004f5c355de415c55f572c