www.blug.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:22:a5:81:30:b0:a9:7c:0c:73:c8:7b:26:ab:b3:87:1d:41 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.blug.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:22:a5:81:30:b0:a9:7c:0c:73:c8:7b:26:ab:b3:87:1d:41Serial Number (int): 360238737615504426966099906104008397757761
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 54:ed:5f:6d:8f:bb:89:ee:53:ab:d4:c3:85:69:ee:8a:f9:82:9b:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c2:a6:7f:70:22:fd:38:26:a1:cd:7f:a8:d2:93:81:ad:b8:16:3c:9c
Fingerprint (sha256): cf:a4:44:dd:bc:7a:d8:66:53:ac:c1:13:f0:67:6c:42:43:0a:6e:e7:2d:ed:ea:9e:9c:b5:75:f3:d7:f2:4f:ee
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.blug.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.blug.net
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
www.blug.net
Other certificates including the domain name blug.net
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.blug.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTzCCBTegAwIBAgISBCKlgTCwqXwMc8h7Jquzhx1BMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMDQwMDI4MzdaFw0y MDA1MDQwMDI4MzdaMBcxFTATBgNVBAMTDHd3dy5ibHVnLm5ldDCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAJ8Z8pH1rAPS6joqzrK+jF5D+Xr7DRyRbFma 4C0YDo7M4dH1DjqqzcZAN6aCb4EfHUYO5U8Sy9VOkci2CPeVk8f1ToqiXDoyPRnh w1CtsvKRq48VlCf+IWmMBOBPh5FSetgbHy5pr3D34zJ78ktD4F399qq5hsK4Sqtz BgqXywEiQJk9jS6HRnBw5iWf18QG+WvehwPjrGDL38sJw70Obal3KrpzrXe4hSbh vsSSJF4Mb1Qo6FFL8bB4kd4MYftMXPJjmgfw3bI4X62ct8dcRst1iPJfBhzKUGsh nCk0EvOW+u0oK2qrO/ahhgkIcdxHW2EGtPC5iyYAOq0XcYfC8o1Jm4rD+0jjP6CF WmjLzXMkM85R1YVxaePNrRFfIk0pC4SSveYcD3AlFTUP3u7M+tnD5tzdG7HV9Rrl 5kv9QpO8JzBWWOYVvXqzHalu4+n+pcq0eb7NIOn/UeMpxlpAwRXuMa8uuq0AIgHe SlnYMQhA6mugb1Sju+19Ub5gDzS7wr9f3HO3anrduD8cPkSDNPpRh6UdDf3QO9MP tWVZMMYTQUYLTFYGFA+kres4OKiwZruUzgLSdIIOb51mFLUFsUMbPLlBeyXZPOl9 WzUHdjz00i7QxKS+i7UhHyBRE3WtI69huMbbONGuCar73L45IPmwCJ85gnAocC6e KjdcmWhxAgMBAAGjggJgMIICXDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFTtX22P u4nuU6vUw4Vp7or5gpvdMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMd3d3LmJsdWcubmV0MEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDv AHUAb1N2rDHwMRnYmQCkURX/dxUcEdkCwQApBo2yCJo32RMAAAFwDdBEkwAABAMA RjBEAiA7B1bhNRA/1/RLPJ0HXv89X4A8DxV7oiVb47cpOCyyoQIgPrBUoxkgHEzr SyueW0cVdlL101bs/GgTsrYIC1dyAl0AdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6 cOeySVMt74uQXgAAAXAN0ERpAAAEAwBHMEUCIA4DMQY2vbHrNxeQRMMqFn1hwgSL +/nDsbgzF7O8jW5/AiEAuB1Lh8F5/pCS6dO+NoafYih1n1lpA2RRgnAeSRC/qVsw DQYJKoZIhvcNAQELBQADggEBAEkCDkiPALSJ4BWD7ULp2m23RZUtAHDq8RXpH94l SCS4od+hwhwPFy1SKJwaj9IsxIySXScWOVzKzQCcEyFQagmFqRSTSKpfC1dePOjW LsC5jLpUtth3RjdqXM3EW/IYpHacaGj8U0Tix9kUkWiFLpKrCK1fCPIgbuKrLGny wbiFX5mlNHc0gUoRiVvDrj0w+iTmgAG+JMIbELxLoAcZV1pRY9kvECrNM+C5fo+t N8pxHavUjojuurjMZs4iDyLFZVxn5L5cgQT7GXc7rfoDbluUHqV5Q4XUnoa0ke6q G8ex0eE+DsNvcDIvrIncyVAGjejdpBC3t3lwKpCdeqtT9l8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnxnykfWsA9LqOirOsr6M XkP5evsNHJFsWZrgLRgOjszh0fUOOqrNxkA3poJvgR8dRg7lTxLL1U6RyLYI95WT x/VOiqJcOjI9GeHDUK2y8pGrjxWUJ/4haYwE4E+HkVJ62BsfLmmvcPfjMnvyS0Pg Xf32qrmGwrhKq3MGCpfLASJAmT2NLodGcHDmJZ/XxAb5a96HA+OsYMvfywnDvQ5t qXcqunOtd7iFJuG+xJIkXgxvVCjoUUvxsHiR3gxh+0xc8mOaB/DdsjhfrZy3x1xG y3WI8l8GHMpQayGcKTQS85b67Sgraqs79qGGCQhx3EdbYQa08LmLJgA6rRdxh8Ly jUmbisP7SOM/oIVaaMvNcyQzzlHVhXFp482tEV8iTSkLhJK95hwPcCUVNQ/e7sz6 2cPm3N0bsdX1GuXmS/1Ck7wnMFZY5hW9erMdqW7j6f6lyrR5vs0g6f9R4ynGWkDB Fe4xry66rQAiAd5KWdgxCEDqa6BvVKO77X1RvmAPNLvCv1/cc7dqet24Pxw+RIM0 +lGHpR0N/dA70w+1ZVkwxhNBRgtMVgYUD6St6zg4qLBmu5TOAtJ0gg5vnWYUtQWx Qxs8uUF7Jdk86X1bNQd2PPTSLtDEpL6LtSEfIFETda0jr2G4xts40a4Jqvvcvjkg +bAInzmCcChwLp4qN1yZaHECAwEAAQ== -----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 360238737615504426966099906104008397757761 . . . . . . . . [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 2020-02-04 00:28:37 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 00:28:37 +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.blug.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 649076909652249607636501469928508270198236658145630812778094592707339824790207242282349580023449053055476875235528543027700851268238758273111119143864028455560743105756978767792804274781897969589148108840075979447617001346979244079397060483632835186292443604335777331387448067777692708877856016450758486005711282323338787276444538645911977579050513748265054021350155393905502559873060575410979427929947489869039937544384188549144257273729073693998964181129948754923748879088761225669340407333751875609203187281665445174974761012713059132129795987686936868931764789377470469626053310259436529098723052933332881793939124528076236074669804822197277129939071828643089910834146985155161950405628396239681759139840344129225316247696217934428348794821691521710604522923514341223637967991938271735984711062378819172444346807381819598142259568288600212617879239794835789039100125748940482540353381040091525113527477185691988777206079036702540659647116447007833898719077418619972685745786752636050166593295921952320243377267817748935063754694755777866121422108519402427939724033231869282819876372130760766734830547967985491076616580968307981273281804060154291927748810915653456865144914805387588463397095328250066741653964150809448645995882609 . . . . . . . . . . . . . . . . . . . . [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) 54ed5f6d8fbb89ee53abd4c38569ee8af9829bdd . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blug.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001700dd04493000004030046304402203b0756e135103fd7f44b3c9d075eff3d5f803c0f157ba2255be3b729382cb2a102203eb054a319201c4ceb4b2b9e5b47157652f5d356ecfc6813b2b6080b5772025d007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700dd04469000004030047304502200e03310636bdb1eb37179044c32a167d61c2048bfbf9c3b1b83317b3bc8d6e7f022100b81d4b87c179fe9092e9d3be36869f6228759f596903645182701e4910bfa95b . . . . [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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