measurements.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:00:d8:67:93:79:df:d1:b0:8c:37:99:ca:a1:9b:45:55:57 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=measurements.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:00:d8:67:93:79:df:d1:b0:8c:37:99:ca:a1:9b:45:55:57
Serial Number (int): 348736794771877045559719607164676870591831
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c7:c3:b8:d4:7b:34:52:d4:4b:ee:69:0a:c5:56:8c:56:11:03:a5:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ab:17:69:04:90:af:84:60:5f:8b:c4:cc:5a:f1:4d:b4:ed:c3:54:61
Fingerprint (sha256): b8:ee:ce:80:8e:dc:66:4d:f8:52:ba:7f:d3:8c:f3:a8:de:e4:53:a2:43:c0:a3:f9:b4:65:18:81:e0:18:e0:9c

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 measurements.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for measurements.org

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

measurements.org

Other certificates including the domain name measurements.org

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGWTCCBUGgAwIBAgISBADYZ5N539GwjDeZyqGbRVVXMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMjcxNTAwMjhaFw0x
OTAzMjcxNTAwMjhaMBsxGTAXBgNVBAMTEG1lYXN1cmVtZW50cy5vcmcwggIiMA0G
CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC/SX8saATx/GlmTtqeRtEYBMrw8Hxb
Uhg4B1UwCTaia/5eAYb0HPK+8ma/Xx6/fAWAuFc/gjVrdGkkM+d9wOMQfMySkRgR
C30vXjuv8wkkAFz7zlpcWrvgLJTUS4qj5PCxQ5SVVgU2V/XLeEEgpQXg8lZ+V2oG
8/4ABY1iHjRR2jvArIyUkiHgNn6LgDz6hCQ6vFrR0FA85p+TyyGO3esDo8x7CdwB
W1fvfJaHSQwMJtTBAqKc75pjT8jrASyYTtlnJpwM+wN43Ak08F/AQb0La2yCiLR4
H91tGIatHY7XbswTCJh3zvWFPiGw3czGlRN184iIpQydf6gC3LnJAi2W6BwDuSiR
3zi2zF6rxfKY0HUOPu33aGBD4pnVn3Ehg8Xazt5ClBmY7o05Jt53p34mtc2prcfn
tEDa0yBvDkb8GOwjkKmchntW9SAnpq2gBV4b4KQq4Fxw3EjORyHjkLZPWNwdgQwz
dixfLzWFT6jXZNc8jK5YI3Zhgm2xGZsjAi8ds/v4R0Zq7vqmU/Y36OGWWjESiOHd
71UXKtD/koGYQYyQzR7Uw3Q8+ZBxJsGWLdBUKF71+wpNhNPPYNygOn3QkeiaJAXZ
/N9bK/4FRruGnyq7YvxgFOuxMNT4K4+NmPh4UvppbOfwjJOXiVg06yRrE3QBGIjO
BeAiW3DkPCduLQIDAQABo4ICZjCCAmIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW
MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTH
w7jUezRS1EvuaQrFVoxWEQOlfTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv
86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu
dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu
dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEG1lYXN1cmVtZW50cy5v
cmcwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF
BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQC
BIH2BIHzAPEAdgDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWfw
ZUhAAAAEAwBHMEUCIGVuwVdcSXUqiq2CGgdwZrPdcncpcqKHQErOVnlYUSHaAiEA
ufotXp5OnnFx6AjvWLo0RHYJtAj58ARpnKhgmRaPHDgAdwBj8tvN6DvMLM8LcoQn
V2szpI1hd4+9daY4scdoVEvYjQAAAWfwZUg3AAAEAwBIMEYCIQCVtsQRjR0JpGYG
1zloTOCz8UwmvT90tFjQWcFK8EXsFAIhAI3ILPPjMPISw3Tz85FcrA3cpKZ48Sn9
186ngCgOlqniMA0GCSqGSIb3DQEBCwUAA4IBAQAN0eQgG5f+EAcHFNvifhslZe2t
9dZFn6HdTyazsALcIIg0/r4S23LEugCaYF0qaM9//3vrhIBpAGIy4Ymp23brUhBZ
N4xOz9ugCd7e4RAlPmXcVnCaJh2NFGPGjg5NJ7jN6+KmUudcMyYJ1nfObINpjrL/
RnhGQtLHJ+czPVPIMWVYe2AFVCF+TnArnJiG3Z28Zr56PZAfZSPVzDD4SiGwzXW6
xeZsKyYvDxAP5IP3oA+Ss06RxMhLk6VnhDQ355wWkRS2f8PqXFCXWNaX56eFz9VJ
EtTjO2MN7DDeDgeVGcQo4Q28azEf5dE4X6CnGGlwqP9DkOyfhfl8JvQvpwRL
-----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 348736794771877045559719607164676870591831
 . . . . . . . . [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 2018-12-27 15:00:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-27 15:00:28 +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 'measurements.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 780383269598104475495105311057904382992634662828545070601469338703033124564504563033462522144978997381551546978108170780090457943846227951189176187012258435329954982685570108623058514000792303876452726151349943129420505701277827913867641305758192837735146397586105785353481976138143418426449793767891330600811651105318524283866655207531184581307906959867243236123862182269553711286652712518647015959270775926236796926226275111946403455410615905098824142456166892353244035933073124170652578340350800675996884114428496691810804283718714155623115070919053169580251664532212602315100701737266608994445998186794355692476343872424696498021325733956105508459325018983315497549849405623126536622643231466632159926522275488416164141726144647317123680245736812181630160804362854969709236691112862120787826980072235894986608518048634255514360678903267600092777160882349569417188068363241354046187758647339258397888342254402809314184404931577488989553875177926552932409968104562152065318270514734662535023285513001851132819565756601079544628976552563787331569916529744369910619309045695833678918518023940605121950838005759579135726128029604350847471335564270721540503409172068706170978865365138258916341314159780739496834203197859821349065158189
 . . . . . . . . . . . . . . . . . . . . [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)
							c7c3b8d47b3452d44bee690ac5568c561103a57d
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'measurements.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167f065484000000403004730450220656ec1575c49752a8aad821a077066b3dd72772972a287404ace5679585121da022100b9fa2d5e9e4e9e7171e808ef58ba34447609b408f9f004699ca86099168f1c3800770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167f0654837000004030048304602210095b6c4118d1d09a46606d739684ce0b3f14c26bd3f74b458d059c14af045ec140221008dc82cf3e330f212c374f3f3915cac0ddca4a678f129fdd7cea780280e96a9e2
 . . . . [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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