nas.ihermann.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1f:d9:21:9e:b9:d0:99:86:d4:c1:15:39:67:ed:b1:a5:2a 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): 03:1f:d9:21:9e:b9:d0:99:86:d4:c1:15:39:67:ed:b1:a5:2a
Serial Number (int): 272174228210053976627485980765373565347114
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:62:9c:19:43:1a:7c:b7:a3:9a:69:c5:00:0a:00:9d:6e:22:75:21
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:57:e5:3a:93:58:b1:8e:36:26:74:db:c0:ee:f7:f9:ec:53:bf:dc
Fingerprint (sha256): 60:54:77:1c:3c:f8:3a:4a:98:f8:28:49:31:85:d4:f4:f5:3d:30:a7:fb:43:93:f3:9e:05:26:29:56:36:33:b7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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
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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkgzDkAXbqQyjCQHxVnB1
ZZ05vT2uYkhpt3ABEfnryNOkKngPumn8F98O88ApVCiyieTsg3LslL5PYaFrac7B
4pIbqu+4aBliTTSC7aHEKJLfwvHGX1DMlVuP6wzZWFy5LvV1PLUgq636rq897CPV
qG0EhwOqG8za/hreuQzu/puSctQRdrmYXK/SHFBO5bdRAuhSpY8HZ85ipZK4HhUC
mRi2SGJdEOtEaD3fdZYRH8vLCdl04i2DguI637M98YfXjOGfOl3zABW5Hcv9lsGK
1mBJhXfKXQmcxYG5W1POCAmWPdNkZIfA7HIX8B8RWecSRmofDndUi6tdbUQeRE43
3wIDAQAB
-----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 272174228210053976627485980765373565347114
 . . . . . . . . [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 2019-11-07 21:02:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-05 21:02:10 +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 18437086646789167695914626202376337975073842164102503051742870364757074237222117283471602542189159965502125251472673456116940712913887875556376068497275047225914558596615048644349553480948646374436714268278224104386181357010739455091005394440292901769437493667519961163926667230458540188011217445116301096275658866038691706607550906882702514981730063304343038912826937785469430172185903361573824083413740091624663881497268208648417182523693087221843072757131687982069416865840262289923413173019659142970845042711749827351720199926915601291149343349013872463308785032804607085548428915708039509376044574797771284821983
 . . . . . . . . . . . . . . . . . . . . [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)
							dc629c19431a7cb7a39a69c5000a009d6e227521
 . . . . . . . . . . . . . . . . [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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e47e3a2a40000040300473045022029af62c35935dc49a794963669f01384744f544e4b5b193526f590adabae2cf7022100cf005ce4297e1af7490b7b58b3859756d9e35e6c3221de5b6417d084301d3cb40077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e47e3a2e00000040300483046022100c7e88dd9c4eb362c462bcf445ee08e3f0b0793abecbd6fd7fd6daed97764a9c7022100a6033db17b2e129c1702526e439c87055338882e8821a489bd6f63a4a46e5a2a
 . . . . [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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