nas.ihermann.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:74:d6:ea:e4:75:e9:46:8c:a9:76:3d:99:ba:d7:de:e3:31 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): 03:74:d6:ea:e4:75:e9:46:8c:a9:76:3d:99:ba:d7:de:e3:31Serial Number (int): 301095286780403750791192501885502232650545
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 55:2a:ae:29:8c:de:0a:2c:4d:3e:b8:39:85:63:cd:ba:63:35:16:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): dc:73:c1:7b:d2:ef:9d:85:a5:8d:99:36:3f:28:66:c6:3d:56:a0:fe
Fingerprint (sha256): 06:bc:8a:dd:9b:3d:5a:42:b8:63:21:71:28:1c:1d:42:9b:d8:b6:5a:e7:3d:3b:eb:74:0d:09:a2:bf:99:62:45
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
9 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
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nas.ihermann.cz
nas.ihermann.cz
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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----- MIIGCTCCBPGgAwIBAgISA3TW6uR16UaMqXY9mbrX3uMxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA3MjUxNzUzMjRaFw0x ODEwMjMxNzUzMjRaMBoxGDAWBgNVBAMTD25hcy5paGVybWFubi5jejCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMsf1JnRQRY/yzJqbRwqCvusHXe2XEiW ygMrGA18zcxV9h1tLOP3PyOlM3gFyhNtHvE2xo/Qz1ruTw9RJ53fwDefvoXS7kjS waU3h4B667mzf7awVx3WjGTK7QUoNj6L866wHfPU311Ia9eRyactlbGG/ORBxpxU s+H8HkIVAQLCA5RI7zHExF/Jr/+V9YWyDhIapiIbLmE8JMO1NVebNT10v+Dtzkkx ueSNa2K5RRSyvy7rE7cFSiq15+RZk8WzgnmHTA/tQhPQxXZgCNQf5qt83wpcIYCx hVeExJmF+eTLf11z0+FYg131qUtMirPO5YXZSPOjhnvaadSb5pHwQk0CAwEAAaOC AxcwggMTMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUVSquKYzeCixNPrg5hWPNumM1 FhcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzAaBgNVHREEEzARgg9uYXMuaWhlcm1hbm4uY3owgf4GA1UdIASB9jCB8zAI BgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8v Y3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRp ZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGll cyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBv bGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5 LzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2ANt0r+7LKeyx/so+cW0s5bmquzb3 hHGDx12dTze2H79kAAABZNLJ5kYAAAQDAEcwRQIgJOrx+Ki+IDegOqTQd2tdAQlx wpwQ33Ihx7+GQZ3PGuUCIQCmziaUyNa6joAL0gRB6t5Oziioydem5K2Or9uEJrBM CwB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABZNLJ5lYAAAQD AEcwRQIgWjD4Ye2qTwOD6X9eIYHD1nX945Ol6WhPH3TLAwAcEOsCIQD9x9qq0s/6 GVin5JVf722U89iVs780t8TXH6m80bIBIjANBgkqhkiG9w0BAQsFAAOCAQEAYq8v 5schK55Y+h2n1PhMNj86T7KC+mX8Z4RB0mAeB4PCeRAbx2IIQiicxthV7sfzn3Fr +Yn0XOFrPctRVjar6cMmVg6QBvdyb8eYQ5ydPV868NDwjvREvcPnO2dk+r1ayb6/ HIaUpJd9CZbojRKaUXuzXXOuNRkIoeBAcRGUzsws7CqHQJ8nFhijstPneLRYLw/W x1wQDWztYo1dE2y2DzHBM0II+2xjlZKUrCKm7GqZILcaARNP7k1NqtunF4FcgeAw vGeAW8CTFzLBE2+/Cp14f/Kl57qhY1XDmbpAvQYZS24BRFI+FrkmGUAC6xqbedzu kS5gQs9KTmdsN1oe7g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyx/UmdFBFj/LMmptHCoK +6wdd7ZcSJbKAysYDXzNzFX2HW0s4/c/I6UzeAXKE20e8TbGj9DPWu5PD1Ennd/A N5++hdLuSNLBpTeHgHrrubN/trBXHdaMZMrtBSg2PovzrrAd89TfXUhr15HJpy2V sYb85EHGnFSz4fweQhUBAsIDlEjvMcTEX8mv/5X1hbIOEhqmIhsuYTwkw7U1V5s1 PXS/4O3OSTG55I1rYrlFFLK/LusTtwVKKrXn5FmTxbOCeYdMD+1CE9DFdmAI1B/m q3zfClwhgLGFV4TEmYX55Mt/XXPT4ViDXfWpS0yKs87lhdlI86OGe9pp1JvmkfBC TQIDAQAB -----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 301095286780403750791192501885502232650545 . . . . . . . . [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 2018-07-25 17:53:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-23 17:53:24 +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 25642072098891303880418610683205612144950598344509838789119061611267110867426319457856892056396410052351205750789180082212823101312459230400434861755896229362729069027865126137935203495703586138061454591658073029827509189168812273134882538758611447969511480885644626335792299897697331631552611159882768461976431019920045743995405139300609388072892734663760270231851530422934718506940543942581842943161190801531581014447755369040373925657212723832964721335703954082483345066883388404279742210121886628773671291979443838952157618929671297601169324957166530354648230008959282031312562729807000621820401048972484003512909 . . . . . . . . . . . . . . . . . . . . [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) 552aae298cde0a2c4d3eb8398563cdba63351617 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf6400000164d2c9e6460000040300473045022024eaf1f8a8be2037a03aa4d0776b5d010971c29c10df7221c7bf86419dcf1ae5022100a6ce2694c8d6ba8e800bd20441eade4ece28a8c9d7a6e4ad8eafdb8426b04c0b007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000164d2c9e656000004030047304502205a30f861edaa4f0383e97f5e2181c3d675fde393a5e9684f1f74cb03001c10eb022100fdc7daaad2cffa1958a7e4955fef6d94f3d895b3bf34b7c4d71fa9bcd1b20122 . . . . [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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