www.alessia.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:37:8f:a5:66:e6:dd:77:03:dc:d5:2f:73:cc:45:7e:c3:d9 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.alessia.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:37:8f:a5:66:e6:dd:77:03:dc:d5:2f:73:cc:45:7e:c3:d9
Serial Number (int): 280243326395408053665076230917054552523737
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8a:61:10:c4:62:1f:4c:c6:ef:02:b7:45:23:c7:03:f2:59:f1:9a:e3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3e:be:36:9c:82:27:b9:21:cf:69:be:c2:76:bf:78:e1:68:24:3a:63
Fingerprint (sha256): 06:44:d0:54:2a:49:8f:f6:ba:c6:e4:d6:da:16:19:9a:c0:96:0e:64:a3:54:fc:81:31:43:80:ad:97:2a:67:d2

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.alessia.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.alessia.co

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.alessia.co

Other certificates including the domain name alessia.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.alessia.co in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0r0SRzUatSb8V3/e6bmC
ixbvxzMzH/ZS8TU3B8iarUKBdaNlqCFO9Fbujr74Dv/4LoBSMx1sJ9fwrlvnGjN7
5MVgjRBjCuqOM63ajY27B0ovcCWH59vRQIAD+hURyp+1Ds2y81fvbmunMTUQDxzU
wgzgO9nqmUd2jG/8zJFInd14v9O5QgX4kXYwCP3jAz1u+fvScfEoqNmsC5AQB6na
UeyNfSqiNxG0op+fpskXnQeCBgWaNXjiwje4nMTgIu6ti/jwUk5jmNWl+dZCzzJx
uqDJIw4PmjkWDeNo2mpBj51QcnVIgx1ee0Ng6kpjb8UOjIpoqVYVfOGW/C/oiPZu
SGniPzQznc3MoR+zl6ahI3gIPCR94Gklo/n4oxu80+KmxIWYpWanLcnulgNGP8jI
WMHbM2E/SCoWcgOrCX2Ssf2v93FLL3FWzeVFiMTCbD9EUH6XaXkueEyAQnzwc5tN
XEXjt6dpekUsuGj277VcQanPKUYeeH7czTYcW1l3hRyTnhL2BYetoGqAMuAQQhOt
K4Wv1s39sUyarMte9fagaFcbwhxHoVMKORhK5d7cEVtQLxu+M9taQVneb0L8n5bk
3xh9TuV/STXthfIKRgWAWJlxBtqr+gekvHG2llmLbZ1I1OXa5MOkieMzsmIet8jh
ojl68SBXcQh8pHhSJFKt13UCAwEAAQ==
-----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 280243326395408053665076230917054552523737
 . . . . . . . . [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 2019-05-28 18:06:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 18:06:35 +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.alessia.co'
 . . . . . . . . [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 859738316829237983922693910137730991224809746153876791424237596184376751471377351770866519135375238674885271719416550998375625741114561222153598659720343478225763282537336585100971449390080426363992630623465176717365056702743488888353596918831719882603398892546237101289808653259055544862602995673137919670075135721826962128226393811750268915278488968857317980646810596165694091037873282382364453902841712707813475644338272797012951162028638258452112944292544259195101790520408525428363116625020401427420438703212717432499952631479562134978716875168185863244057321409950866346907793150899545114291117468635106024522052640919909798200404373663159532141210280013150523138319073848541983668513825947973961627192742534974306336546815524265705722792532563503802419837207852411689345829976528811981376833364397597776531234562150160885313115709016178792825225168191449262421255610025999159715318285820939498312926841874290911670046130530310855078613023710793922322813265467406823545152389296279721234521508552890034178913555724131254508769185980861711221174918944379247084477540636479563058478619761487321756494254707933770198694761877715664790565733124646014929966224388898176787925621301908848450523620068151625578315080961628726797129589
 . . . . . . . . . . . . . . . . . . . . [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)
							8a6110c4621f4cc6ef02b74523c703f259f19ae3
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alessia.co'
 . . . . . . . . . . . . . . . . [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)
							00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016affd64d7a000004030046304402203ad162de489c347b2612e9c68c16f7bb2d5ffcefc73866555705052db8b6060b02207380caff473fca3c8f9295d80e905fb6984a26e4a5193c0485650b99403db846007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016affd64d8a0000040300483046022100c53fe0d03cbf2e9379f30d18c8e6c76876dd6c0ed13715957a0c9c71a29f7a7d022100ff908b462c05873a0564bf94b5e5babea0d20ffb12d6b12212de090e49da3b7b
 . . . . [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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