www.helfie.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ea:7d:1c:29:38:61:e8:14:45:d4:cc:9c:21:7d:15:24:3e 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.helfie.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:7d:1c:29:38:61:e8:14:45:d4:cc:9c:21:7d:15:24:3e
Serial Number (int): 341129231374611365312583531536752408077374
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d3:86:24:da:40:38:29:b6:78:76:74:d8:e7:30:8e:29:24:ae:59:9a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d6:1c:35:f4:4a:72:62:af:0b:10:b3:65:28:da:ae:1f:c7:a4:2a:dd
Fingerprint (sha256): bd:2e:67:25:f8:1b:81:17:7f:16:6e:dd:2d:a1:69:35:de:f6:62:56:e3:2c:3c:c9:64:31:bc:dc:e5:39:62:4e

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.helfie.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.helfie.io

Public Key Algorithm

RSA

Key Size

2048

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.helfie.io

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Certificate

The complete raw certificate details for www.helfie.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwls3LqmaE3UDgT2BkrnZ
XDnziKZi+z93WfFxzjUynjaWIx4hiKhZLbVFe0uKbKMkanZydOWTmI/6ngtJCkaq
Vf1RaOc5/llrswyFkwr5exSul303g8IZPq1+7CWTr4P7upEPGHnTWAlG+WCeO4s4
P8iMzX8kxHu7xNM5ydDC0fHJno+2p1xsIwHv6ajwIiQIxHnimo/1fgb7zPZB2jcY
jpo3ZDkeEwAxH03UcyTnMUHnJjg9LQoeSHQD1CIsDdMMAqWQmjWQZMbFKK4Ie2Kp
MvGyP0kLINBY3zkuvSR+rlNf6CrQuGgMeclOmJzeFGdxOQbAGxB2X4rSHgJjXhEd
TQIDAQAB
-----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 341129231374611365312583531536752408077374
 . . . . . . . . [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 2019-07-29 09:52:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-27 09:52:22 +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.helfie.io'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24535211230392337534159961118067499601183944540095295573280138830892728418476727711554167098674387332738229426366153484205027235866204601878289366690058799211544225938189856066032645144010439360750836475160108400898133583923520387247242363738179017782602555812142067458567982055966604668483438068389141300039165572252206721641163438777213068087298487155850307876367381635671490451074597666732707722165447398468953636261696110724900580203794400036848659450227220518955854845886787588657951601832524796207430861618090338828372077996708446607814740259682713826014516753705777316476611543486349166490675703307812656454989
 . . . . . . . . . . . . . . . . . . . . [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)
							d38624da403829b6787674d8e7308e2924ae599a
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.helfie.io'
 . . . . . . . . . . . . . . . . [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)
							00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c3d5c1b2e0000040300463044022049395cc7b98f584d10466418eb75aa62c3f2373fbf1ef210528b1013cabbe962022000c41c791dfc6ea08155a7e6efa4e8d0d53a4dd2c2212c332372213b68db5f6b00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c3d5c1b4b0000040300483046022100f0cfa32a26fd581a4ee7d3f9afc3f8c22a77404a616caf9e0e871f0a6bcf1e86022100a04a900e18b072a81a9d2666197fffe2201884ebae9c0a57c864e2a6dfbab58c
 . . . . [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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