viz.measurementlab.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:04:95:a8:aa:90:6d:ae:28:32:7e:27:db:06:e6:1a:17:16 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=viz.measurementlab.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:04:95:a8:aa:90:6d:ae:28:32:7e:27:db:06:e6:1a:17:16Serial Number (int): 262896917999661112541656720548827420563222
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d5:77:00:fb:18:16:6c:a4:18:0f:09:07:3a:ef:c0:78:61:4b:5d:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 95:ef:68:32:36:0d:bb:b2:bf:f3:0b:67:5a:07:b7:96:54:38:79:e1
Fingerprint (sha256): 1b:6c:cc:2e:b5:67:62:98:4c:16:0d:e6:a4:49:2a:f1:94:4d:96:06:0c:05:4d:84:6b:69:5e:d8:da:5f:23:fc
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate viz.measurementlab.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for viz.measurementlab.net
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
viz.measurementlab.net
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Certificate
The complete raw certificate details for viz.measurementlab.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFZDCCBEygAwIBAgISAwSVqKqQba4oMn4n2wbmGhcWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MjgxMzMyNTRaFw0x OTEyMjcxMzMyNTRaMCExHzAdBgNVBAMTFnZpei5tZWFzdXJlbWVudGxhYi5uZXQw ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC0RBId75QER40qm88vG1Nd x6fRMcbY1h/djMfP18jk70Pf2rhhmRASueU5dA4+ho682WkHixOpzWkJC3M0Digx 9HUra6P7w0iLeJi9TZe2GtdPOpb0lDqRRLN8gcR9C+NjzZgilqE13Imf0DsBIKxh x9GcNHNOpDsVPx++/3sXA6ovKcz5NcG3ETBnzmztTHQO1ePG7wcDfjWqzk2dk90D uNWdLIMjehOMN8x6I0pr5m8zW6aiRkDByhobJHEyq8XuhKNJW9ZUGwvGTdkdmjfU MILpw8keJihOzyMt4BzIG1IAHhdXTPklzBagVanDvr0oprEgdh36E7Y9G/ykrelH AgMBAAGjggJrMIICZzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNV3APsYFmykGA8J BzrvwHhhS10EMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl bmNyeXB0Lm9yZy8wIQYDVR0RBBowGIIWdml6Lm1lYXN1cmVtZW50bGFiLm5ldDBM BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE gfIA8AB2AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABbXhJ708A AAQDAEcwRQIhAMnV8nnbdZFmsyTboBoIxbbfn2ydx2TvaMdUD65u9J28AiB1Cn87 aKDxUT5ebZD30P07b4JSZgNIEpabqOHHg+ExsQB2AGPy283oO8wszwtyhCdXazOk jWF3j711pjixx2hUS9iNAAABbXhJ70UAAAQDAEcwRQIhANKxinE6titAfl8EA+tj 5mYc8xXVwQgM1aPpjI+Ala3HAiAaqgrPLVveAWQaYzH8+tg6SNDSPVqXDLOqmgfV 86Rb4jANBgkqhkiG9w0BAQsFAAOCAQEAe8o/09W6Q1zkonDYsdekYWV8QPpBLcDY lSTYyhsJ//9nGczBDcY19MJbyLkJtMT6SO2kPnfj0oWW/FML/1wb2kqRL7tKj2Gq AWMeATEsMCuRc1F7SLaB2lCHjwL6htk/WJst0jVK8OAGWaFS24RcaacCR1tHONUR 5oHaJvcpETmoOJnqzD3prL5/6OPunQkgTvzusMzrJ796b3KmI7C7hibEhZ+PouPB 06HME8iPQRyZqk4S25xvf+xlWwvtxyDsCK/Ba4kU+NBtn4JPkBI7sMYH1oJG5EUO l+6ygfjQRQn0oKUjw5/9RAvaX4KsiMoe1i01xdeB1QR/3wb/NPoumw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtEQSHe+UBEeNKpvPLxtT Xcen0THG2NYf3YzHz9fI5O9D39q4YZkQErnlOXQOPoaOvNlpB4sTqc1pCQtzNA4o MfR1K2uj+8NIi3iYvU2XthrXTzqW9JQ6kUSzfIHEfQvjY82YIpahNdyJn9A7ASCs YcfRnDRzTqQ7FT8fvv97FwOqLynM+TXBtxEwZ85s7Ux0DtXjxu8HA341qs5NnZPd A7jVnSyDI3oTjDfMeiNKa+ZvM1umokZAwcoaGyRxMqvF7oSjSVvWVBsLxk3ZHZo3 1DCC6cPJHiYoTs8jLeAcyBtSAB4XV0z5JcwWoFWpw769KKaxIHYd+hO2PRv8pK3p RwIDAQAB -----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 262896917999661112541656720548827420563222 . . . . . . . . [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 2019-09-28 13:32:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-27 13:32:54 +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 'viz.measurementlab.net' . . . . . . . . [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 22756461841282176364773604382549925928579314783577462172203536993690138694336873437571689120395044287531771606856441576435293594125910584467053505561857162807926514755278031757864947666376337581659057888520263304342896638697947576816179228819968885967603398738507122779701521077220727598518239664545986000889270457455156766737294853015228394471594416744818989420425943653383830807610791786084377468196046876988214466164544891882607178599884810787831749497734506583689457465833936868499419704982941793429022763069416363696439851467702954981023230205764615884731061920296112689939164367819229933739866397829723923016007 . . . . . . . . . . . . . . . . . . . . [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) d57700fb18166ca4180f09073aefc078614b5d04 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'viz.measurementlab.net' . . . . . . . . . . . . . . . . [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) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d7849ef4f0000040300473045022100c9d5f279db759166b324dba01a08c5b6df9f6c9dc764ef68c7540fae6ef49dbc0220750a7f3b68a0f1513e5e6d90f7d0fd3b6f825266034812969ba8e1c783e131b100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d7849ef450000040300473045022100d2b18a713ab62b407e5f0403eb63e6661cf315d5c1080cd5a3e98c8f8095adc702201aaa0acf2d5bde01641a6331fcfad83a48d0d23d5a970cb3aa9a07d5f3a45be2 . . . . [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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