nas.ihermann.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:d9:9e:2e:13:a9:c8:d2:3d:c1:63:c2:cb:a5:27:57:66:2e 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=nas.ihermann.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:d9:9e:2e:13:a9:c8:d2:3d:c1:63:c2:cb:a5:27:57:66:2eSerial Number (int): 335388388684931388923724267025965201712686
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 60:cb:6e:f2:2c:d4:b3:74:52:43:3e:cb:06:49:63:00:a0:11:13:05
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 5c:ab:d1:c4:83:8a:e0:6a:fe:62:ad:f5:75:22:a0:ac:ff:04:81:23
Fingerprint (sha256): 26:c8:06:ca:e8:73:dc:0e:b8:dd:01:e1:4f:6f:9e:d4:cd:ec:25:15:8e:c9:58:99:0f:30:e2:dd:02:41:21:e0
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate nas.ihermann.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for nas.ihermann.cz
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
nas.ihermann.cz
Other certificates including the domain name ihermann.cz
(limited to 100 certificates)
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
prtg.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
srvr.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
prtg.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
prtg.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
srvr.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
prtg.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
nas.ihermann.cz
Certificate
The complete raw certificate details for nas.ihermann.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFATCCA+mgAwIBAgISA9meLhOpyNI9wWPCy6UnV2YuMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA2MTgwMzQ2MDBaFw0x NzA5MTYwMzQ2MDBaMBoxGDAWBgNVBAMTD25hcy5paGVybWFubi5jejCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMa+LPcfLqmWy8NSu2oadTooZTn+vEHX ZmCBPlcz2s/IGsNxsBhaTG814IPD2ckmnQu/hL/M7+O6CHCT3X8nFlcF9+MZ70RI WUIC2j4mPWIYw8vof8MQ66LAegQWQLBwugkXBJWQCccMkm7DXYPIcDg9rBgGvDqr tJA2P9G135K83BF6e+AJq65ETjfT7ewQdXRFbRYtBa939WdWX7ZSJIRkz3k0FhwR qP00oA46IlNkKB+8o5qc1GvURf/+8bZaOzcpVt7mAdlL141Exx+yFn+EfwK31dsF GNcnXJQTsYVjBuJ7xJR31XOQabd9n63LkuyNkj1Ydt7/L+WFH00Dma0CAwEAAaOC Ag8wggILMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUYMtu8izUs3RSQz7LBkljAKAR EwUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzAaBgNVHREEEzARgg9uYXMuaWhlcm1hbm4uY3owgf4GA1UdIASB9jCB8zAI BgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8v Y3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRp ZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGll cyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBv bGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5 LzANBgkqhkiG9w0BAQsFAAOCAQEAi7W8numqMAjgMJo6iY0SE6EA4fCXij7F/4lQ mddfuh2cOl1IJQOqwac1IxBbkpPwa0LaaTAf4HyRtTWGum9lMwJCttL3mH1Rokgq gNmkTUNAXBkOoS8kb/XZA0DBWGdproAyimTuNws8FE+Qd0wPBLLw7ZZyZlI7wwqb IALQ1wPV3Yn1/7DdBV4i+w4sujx3DdmYUjGAEoY80nvkciXv756sZ6+UjeF+QYPp 59n6pjy9KO8CUitEv8xwBGPf83dAvt5FIznCNXXbk3cl6UxsDbmx4boCEccC5IYe DrhKsvu39Wt5PXLNmsu1RvEqyeowPvJ2E6S1h3flXO+ZiMCVlw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxr4s9x8uqZbLw1K7ahp1 OihlOf68QddmYIE+VzPaz8gaw3GwGFpMbzXgg8PZySadC7+Ev8zv47oIcJPdfycW VwX34xnvREhZQgLaPiY9YhjDy+h/wxDrosB6BBZAsHC6CRcElZAJxwySbsNdg8hw OD2sGAa8Oqu0kDY/0bXfkrzcEXp74AmrrkRON9Pt7BB1dEVtFi0Fr3f1Z1ZftlIk hGTPeTQWHBGo/TSgDjoiU2QoH7yjmpzUa9RF//7xtlo7NylW3uYB2UvXjUTHH7IW f4R/ArfV2wUY1ydclBOxhWMG4nvElHfVc5Bpt32frcuS7I2SPVh23v8v5YUfTQOZ rQIDAQAB -----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 335388388684931388923724267025965201712686 . . . . . . . . [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 2017-06-18 03:46:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-16 03:46:00 +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 'nas.ihermann.cz' . . . . . . . . [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 25088963489408632710194609241217294503366180588443464293730638079449941889424989253173549916043545371708841945926906384796876225086699012076020661093056738088361031953118379339509709626466292636977835929091170428714691846462173548703896989642720240783120412984115724593670484297266663565160041672693658476969694362816562264605946285278786220149200532822064291420418587679250242310558616768737610698892727475774470465471703452245949362540445960441726405243226666625898622657910676463974297179240840702102744830996350228408358165160887948582670015060543099509766224765111764385594839377349023217880254146045141844203949 . . . . . . . . . . . . . . . . . . . . [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) 60cb6ef22cd4b37452433ecb06496300a0111305 . . . . . . . . . . . . . . . . [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 (19 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nas.ihermann.cz' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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) 008bb5bc9ee9aa3008e0309a3a898d1213a100e1f0978a3ec5ff895099d75fba1d9c3a5d482503aac1a73523105b9293f06b42da69301fe07c91b53586ba6f65330242b6d2f7987d51a2482a80d9a44d43405c190ea12f246ff5d90340c1586769ae80328a64ee370b3c144f90774c0f04b2f0ed967266523bc30a9b2002d0d703d5dd89f5ffb0dd055e22fb0e2cba3c770dd99852318012863cd27be47225efef9eac67af948de17e4183e9e7d9faa63cbd28ef02522b44bfcc700463dff37740bede452339c23575db937725e94c6c0db9b1e1ba0211c702e4861e0eb84ab2fbb7f56b793d72cd9acbb546f12ac9ea303ef27613a4b58777e55cef9988c09597