www.pura.boston

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:62:82:e5:a4:81:b2:bc:e1:18:6b:ef:9f:6e:26:c3:d9:89 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.pura.boston

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:62:82:e5:a4:81:b2:bc:e1:18:6b:ef:9f:6e:26:c3:d9:89
Serial Number (int): 381970807697316524180910032103190145784201
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e4:f5:d2:1f:18:f5:74:62:de:04:0e:97:ee:64:35:ea:ba:68:43:37
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b9:7b:c1:83:2b:36:55:89:e2:6c:7c:f3:04:ad:a5:2c:0f:3b:55:b6
Fingerprint (sha256): c4:ae:d0:7e:e7:16:5e:b9:f6:53:d7:8f:48:46:63:83:1e:91:ea:06:4f:4d:ab:f0:19:90:46:57:c6:7b:bb:ac

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.pura.boston

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.pura.boston

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.pura.boston

Other certificates including the domain name pura.boston

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.pura.boston 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 381970807697316524180910032103190145784201
 . . . . . . . . [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 2020-02-24 13:14:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-24 13:14:04 +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.pura.boston'
 . . . . . . . . [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 766200487219652876254855305805376079800393422209166491932000342403568944505862245398250745610806414586759741031086565333398793510026787214873757851395409775672637028210042907780629760957716569224169702165851787220623386443580788608204468481448427050146307876405567045767595616714198093260755302295311263260903865666096551801027776341674610460944961850057185888618880296581208480671039105295379680570546561059183528785532839145675225196280002260391697695838493164056217034678402682013283419471086676896489610046793505698044075594359776639642720161031977697213268845860322250512535039763853762436750751106845449237569621184059633608255118517254524541772382765654492790554445650143804007351687211396511847980532353292814264475975165636850370545602480761070824411001429777616685057670683523691165577402052299225925643964753714147660722347547467887996855292330556469281218522640278242654039183896116727818818083738008735782008525148942575506352232632077150571247422171143580039942636366096601916360796010362604752752184312282592294057979398668653355626939436952782319435887717734727317078944721508669107971194114884497572107294093667956971670749454276071211653643295008785066078700354170607428184989754806237812221491479142802092495957969
 . . . . . . . . . . . . . . . . . . . . [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)
							e4f5d21f18f57462de040e97ee6435eaba684337
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pura.boston'
 . . . . . . . . . . . . . . . . [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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170778c3d740000040300463044022056e8a73e14a28973de9626c86abab352db7c016ce35d26c8de1805022ce638eb02206fba05f5919ff207084cb631a7411a616fd4ffd37389018291153e3c8861e4f7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170778c3d680000040300473045022100a2c5a978644feb8ee49e9be7e095e5e61bd289f5bd7fe2ca58149f21ab093cbb02200eae9f84a1454cbbfe2c142eb8fb23d5c368c6a962d89fd0950ada6b93799a4a
 . . . . [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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