www.npatlas.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7d:98:d4:99:54:07:76:db:9f:4b:6f:05:ac:d8:8d:59:66 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.npatlas.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7d:98:d4:99:54:07:76:db:9f:4b:6f:05:ac:d8:8d:59:66
Serial Number (int): 304075300192557509564288122364151552891238
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:a0:dc:aa:10:ea:0a:97:12:f9:72:85:15:e3:fd:4b:70:95:33:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9a:4a:b9:bf:21:1c:4c:9d:07:e6:c1:98:2a:9c:70:f9:6f:7e:93:48
Fingerprint (sha256): c2:46:43:44:80:80:6d:78:3f:96:d7:72:50:a4:ff:24:cc:dc:59:c1:87:c2:3e:a3:86:50:9e:7b:12:3b:17:1c

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.npatlas.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.npatlas.org

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

npatlas.chem.sfu.ca
www.npatlas.org

Other certificates including the domain name npatlas.org

(limited to 100 certificates)
www.npatlas.org
www.npatlas.org
www.npatlas.org
npatlas.org
www.npatlas.org
npatlas.org
www.npatlas.org
www.npatlas.org
www.npatlas.org
www.npatlas.org

Certificate

The complete raw certificate details for www.npatlas.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsrg4AGoY3poRCtaojTUA
WCaLWPyDsNpNF7EcTDOh+qTZoeP511qDWp93MVx05xIapAirWMgvGZZM2W8AFbS1
SfmZtrcFRcBk1whDPK1mnuI1yczF8nz3smEnFod4tLYEC04TuTax7EISe93M6+nk
nvxYG5PSN0TVwimRZBvO42vbvL5rbBHh6NQx7VPrB4PiQRIJZaXLlKFeE71+2yf+
GePHtrSBSUK2rnHQluZfHYitKE5UDX7eVT1mhp3ljUm3/xytsuwxu9vcEIzPr7lx
EyJ1TZFq5M4XJOowNkAWCllDdzheZkZcoSCofemCtoMP3wAoyd/4KY6WLOjFeTGv
bwIDAQAB
-----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 304075300192557509564288122364151552891238
 . . . . . . . . [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 2019-01-02 07:01:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-02 07:01:12 +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.npatlas.org'
 . . . . . . . . [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 22561259938416568940813261716347158033710650577060732867879377086107137998530174448541104509783490397730731136538801449645345057345033478121726984805842414106844596636796405344678373585823654126213690820436286057501081614805425114984936009171095892233911080208742665864572995557099477321097430395813418108949393147046098116295701548351102583709480933462991845164658502464649997320242817597408588622897495029126072240547265370870781898733672130579746164443169763636881613161806315226980871511514982020273731053450720284137893106291046700426392197766460532502131839818424366833409687505495670953574111607491270144012143
 . . . . . . . . . . . . . . . . . . . . [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)
							9aa0dcaa10ea0a9712f9728515e3fd4b7095334b
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'npatlas.chem.sfu.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.npatlas.org'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001680d94a9390000040300483046022100cadea4e88b62f842c69b34dc635d9853fa8bb2e16d59ab3c2af7b41e02059ba60221009f4e852fdeca78b89c5b6871ae6797a0bb33041c3adef7ded0bc267f2c2edf3d00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001680d94a98c0000040300483046022100e2bbd7bd26e4f9da4158caf8d79626d04c53bc5427e9919117f5af2adba3fd10022100a62d579f2c00e4bd1fc3139b71ccdcf58ef8706bf672f04d8d3a94a692e97f7d
 . . . . [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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