www.massa.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:45:7c:62:7a:58:ec:2a:07:05:95:8c:d4:27:02:b9:4a:90 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.massa.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:45:7c:62:7a:58:ec:2a:07:05:95:8c:d4:27:02:b9:4a:90
Serial Number (int): 284981676710894099117313104486674399316624
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:96:3d:92:b7:03:a6:8d:ca:6b:e8:69:34:67:ff:2c:51:75:13:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b3:f1:84:9b:6a:8d:a8:a6:47:a4:a5:63:35:ad:53:18:dc:73:98:07
Fingerprint (sha256): 9a:89:76:d8:ab:26:0a:8e:60:03:2c:fb:c8:fa:c4:29:d9:08:b5:87:23:20:77:52:72:c4:ee:95:bb:9a:ca:e2

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.massa.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.massa.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.massa.co

Other certificates including the domain name massa.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.massa.co 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 284981676710894099117313104486674399316624
 . . . . . . . . [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 15:50:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 15:50:29 +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.massa.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 776588710423218337321247259241175218176632208182907420574761424528677591246566399540298590421532530974304087969576240927013037194922191870127718220454242863205107171291652246502788227836330998784596661810745475759397067438259138467156734168628953390854499678956490847156458757042077386155516580854503759881155349803873676877498265115701938345449102485041057397299471345777728480859815294220709568039014745093884829816870504870605957393390017978307922850991499497405705325753505611902790250835131501697744176088280755468768178076146393961716516100113522367775621133886650646683232794959952245157121718952971820313877002435462118633764782124479775568186834627330117101766739690834073397161241291736349791602986523255330844380276368450973064261748339955920502607212086851424791656632761855197245048224895882852993495696861388377204183646861737465433668751195927882650379481331005850575531630946118044041352477638476815465827650026451442988993154511047333474887384839409644594805634261128717110009667151159907000256838474700038963423693627682131962447912412118348216245488575111580913041231127686944982253975480464200395760929152264599292526324162899465691540343333815736484033421912464342165587516287004742269550313878558961026435748169
 . . . . . . . . . . . . . . . . . . . . [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)
							d6963d92b703a68dca6be8693467ff2c517513d8
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.massa.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016aff59b1b4000004030047304502205446613b28abe28e0dfd42b65e0bdd90663e519daaf6f34da605944a89f314e0022100c2ccb710351125e391bdc31e120f35fd8e71e4e9296676d20f392b270af1d10d007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aff59b1b10000040300483046022100c35d1b7478e4b82c48bfef3c0bf5618c87f6727b0e67ad6df0bca771506e0f2b022100e94ef535551ed9732744409b9a614eb4e89542637c42b88c86a9c9cb326a733d
 . . . . [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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