www.crystalinstruments.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:57:63:93:80:95:58:2b:55:81:06:f9:ae:06:0b:1c:d0:de 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.crystalinstruments.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:57:63:93:80:95:58:2b:55:81:06:f9:ae:06:0b:1c:d0:deSerial Number (int): 291073783164604010102759166251481259888862
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 27:6c:f4:1e:9c:e8:88:66:df:c5:67:f0:e7:0e:99:e9:8f:50:7b:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d3:32:4c:1c:4b:de:75:e1:14:15:ae:17:c4:d2:f2:df:2a:d1:1c:33
Fingerprint (sha256): 33:9e:01:86:0c:c7:10:66:55:ff:24:82:60:32:05:cd:e2:39:f5:5b:aa:ad:99:d1:d0:48:5b:d4:e6:e9:a7:d6
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.crystalinstruments.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.crystalinstruments.com
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.crystalinstruments.com
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(limited to 100 certificates)
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Certificate
The complete raw certificate details for www.crystalinstruments.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFbDCCBFSgAwIBAgISA1djk4CVWCtVgQb5rgYLHNDeMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMjMyMTA0NDlaFw0x OTA0MjMyMTA0NDlaMCUxIzAhBgNVBAMTGnd3dy5jcnlzdGFsaW5zdHJ1bWVudHMu Y29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsLDEnNiVO5sKnJV3 zU75+zYf8IOwmrjyz5pUwp35Uz8HaAB2XuNdBuddNtvTdRQP6anB9Qo1cZE/CJ7o nlQoNaCAE6Gz5xGlMl2ipaOt7B0fVwSgdhOLSVu9ZXBhLoIVjfIT+M1DazjoVrFi lQNmr5zkEx9DpzZB5WN55ATZA36blvfdzGs4IIQgC2NkQQmuUv10/BVp7HBeJZXx 3/+pEaq8d2qsp9yi4CIsUblqs6UCxfQVelPtqFxVn2twTtN3W03jkVv4N9daIUO6 nC9DrZILfjtO+6dBgVkYDYwErdkEXEfdwFZbLjSEdWN9YugM4K/tfoNVhCZHVVAN JJqsSwIDAQABo4ICbzCCAmswDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQnbPQenOiI Zt/FZ/DnDpnpj1B7OjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBv BggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5s ZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5s ZXRzZW5jcnlwdC5vcmcvMCUGA1UdEQQeMByCGnd3dy5jcnlzdGFsaW5zdHJ1bWVu dHMuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHW eQIEAgSB9QSB8gDwAHYA4mlLribo6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4A AAFofL6PagAABAMARzBFAiEA7YqTyXaXiyVIa6yvK6EaqOBca78c5isTBM5D+Umf 4YkCIAx+7keqheeY87dCYGGx7ZGBlBOjwwWXPWFztLjhUWeQAHYAKTxRllTIOWW6 qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFofL6PswAABAMARzBFAiABq5jL/dlB xJD9oxWUGnCI1jsCyJU5JBT2D3rxz+j7KQIhAOhG7JyWfh1QZirh1b7dpGwJaCK2 FKl3OCBRL9us7C7cMA0GCSqGSIb3DQEBCwUAA4IBAQASMOK09z2DJZV6Jr2UZf9f jqBgzMxDw+KZF5drdU6WUIJJuIoy2ifI5bBKXR9VtEXGIP724ulTFFsgDyi5+9bT 6FxZsdBA09x4f0r23Ar2xvM9JiUSLL9eWVYs3H3i3BASaZOqv1VvkILuk+6OIHKq 6mLlfkrDwChrsNrSr353PY27gO04TbXiIf2xZHj8NhOi2oPZBLs0wjyEOTe34jF+ G3Pf5yGxq7rQ5Xofc/US41NzP/CF6cGherqi1RO/lBM9PJI8Jtr71cbhm/eQOxNM VgAa7HDWOAxiKuNE/Ed8PHjDMfRRmCS+xhhMa9l7P79rNl7I51IPgEGBx5/a4Md8 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsLDEnNiVO5sKnJV3zU75 +zYf8IOwmrjyz5pUwp35Uz8HaAB2XuNdBuddNtvTdRQP6anB9Qo1cZE/CJ7onlQo NaCAE6Gz5xGlMl2ipaOt7B0fVwSgdhOLSVu9ZXBhLoIVjfIT+M1DazjoVrFilQNm r5zkEx9DpzZB5WN55ATZA36blvfdzGs4IIQgC2NkQQmuUv10/BVp7HBeJZXx3/+p Eaq8d2qsp9yi4CIsUblqs6UCxfQVelPtqFxVn2twTtN3W03jkVv4N9daIUO6nC9D rZILfjtO+6dBgVkYDYwErdkEXEfdwFZbLjSEdWN9YugM4K/tfoNVhCZHVVANJJqs SwIDAQAB -----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 291073783164604010102759166251481259888862 . . . . . . . . [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 2019-01-23 21:04:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-23 21:04:49 +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.crystalinstruments.com' . . . . . . . . [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 22305109232619803412550337823493829529254006699198013757693924419999281529047508434090756612905451872810044497843618583378322291548087953132839667103528159338767205394297983823968159229673778165875371514306864813202974977640895345683662229647184679663247169069376651651801500193592873448365159782612499889766770236851659809640520609567257383114448197884864159601290051559423189701206938786241495012179111926623023967547378678762753219566940368099294771691332476170618241793560114010942463905707588846577971385244709585368795165471543465375161459493261909371915539462501076674437994258572040293882759118769341911968843 . . . . . . . . . . . . . . . . . . . . [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) 276cf41e9ce88866dfc567f0e70e99e98f507b3a . . . . . . . . . . . . . . . . [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 (30 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crystalinstruments.com' . . . . . . . . . . . . . . . . [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) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001687cbe8f6a0000040300473045022100ed8a93c976978b25486bacaf2ba11aa8e05c6bbf1ce62b1304ce43f9499fe18902200c7eee47aa85e798f3b7426061b1ed91819413a3c305973d6173b4b8e1516790007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001687cbe8fb30000040300473045022001ab98cbfdd941c490fda315941a7088d63b02c895392414f60f7af1cfe8fb29022100e846ec9c967e1d50662ae1d5bedda46c096822b614a9773820512fdbacec2edc . . . . [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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