blog.cht-graz.at

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e2:0a:01:ce:eb:4e:3e:fc:a1:a7:10:d4:2d:0d:c4:d2:af 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=blog.cht-graz.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e2:0a:01:ce:eb:4e:3e:fc:a1:a7:10:d4:2d:0d:c4:d2:af
Serial Number (int): 338253974388486752896432451912374455423663
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:92:4d:ec:8c:c6:79:a7:7d:a0:50:a4:69:15:6f:d4:38:3c:7c:09
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0f:02:51:c8:f1:0a:b8:17:09:da:8c:45:60:2c:c1:dc:32:a6:9b:98
Fingerprint (sha256): 81:4e:1e:c5:ca:4c:31:20:20:8f:77:c8:a1:b0:a9:da:72:99:51:0c:3a:9d:be:27:89:b1:95:30:2a:ab:5e:63

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 blog.cht-graz.at

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.cht-graz.at

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

blog.cht-graz.at

Other certificates including the domain name cht-graz.at

(limited to 100 certificates)

Certificate

The complete raw certificate details for blog.cht-graz.at in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzIstTShHD7wLNVyWuTcK
Zcq+wUoiLI+G8KWJx4kllhDSUsI8VKBBF0uT+YoQTObsh8jmtJW0giQHjdMtyMF+
4mj5sR2PnbIq4gMPgn2MfAAMcVlYtXz1+o/c7aEuDM95ltTd5qHkiS1B52h4VyeU
oP8Fq1SYh+f5xn55iaJVtIQMHyJPzfMFC5TcEoD51GuB+rvTvNKNricKBc2pDZnr
rnAlapT/M6683AV35h7FliaVB0u9orvShOz2FUW0W8SSxQRm84mxlSn2bqgeV5ep
aavx8gQAOXPcZvpe2rk6Y+aZnhLz+/AIuxlcCllCK5XwidrpYsu8Al8LaFbpF7Uy
SPZGcAJ1MUUqJhExCgFCm8PZDoM9g0ZAnrqubDv3wSx8TOaMo30ZoTf2r1k83RhN
2j2ngjnzkbxpzbc5r0/a5iEU6Y30OFeDzuAks9NUsKy5NfiTMuwLejIkKIm+M3JY
mk5G8tU0CTaHQKmbc/SAW3SgtDwp9GGs04X+5GD3DKRsQ4aSbxQEfcZaiD+mXb6T
f6XF4xUyfgngZZvAjk2U6vqZ8/+WN9D9ChErKNMWflPtHFTGInQ4KfHOhqVEz1wx
O1yotz+elhPMoDlhtjdfBRdbXpnpGJR+PnwwpunzztdFFuhVlXurwMHpduLgTEj8
XRbaht+IbaNs9Dn3oZuAM9sCAwEAAQ==
-----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 338253974388486752896432451912374455423663
 . . . . . . . . [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 2019-07-10 19:27:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-08 19:27:26 +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 'blog.cht-graz.at'
 . . . . . . . . [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 834465329147456432984698282815860926304440355440136999186466408385345114236270368259849715806417949231432595015892739041735108523460534349472370560329177064552384184145337226697388563388970890722477008534037411842264123840302498459730443245146507471200968407637641632611344664898766447171483055427121707645850585113694838253303512356409740155168437256458584558479467186506092707139622278109440109877878606948540115091463149124439118596634623746777941044873395752522522424651145401744167668442216633552776876572302313896872621208344258130041030900010185529465600714851742815436453808683006409055261867434919334959385101455503887220979624448153608269955793744447654011925762938162321362096409217515453068069364917843766071417262184358814360575574865701906177026750388052116352944628660191943953179194719673472546146251893657142080574080190526463955141577491242628691757441029206292683846230154295298248986429434085327944285556202023896115452303066606538513617163739463146314127715168972822602284892709784755434342469133455896455793954659101558010375388927920455701502606577925448834499131401676301740249465409426302969915632839038807422010129486058685057710476672512153935426700082624302529512161253755247607736193727256314687579501531
 . . . . . . . . . . . . . . . . . . . . [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)
							3b924dec8cc679a77da050a469156fd4383c7c09
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.cht-graz.at'
 . . . . . . . . . . . . . . . . [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)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016bdd91c6b600000403004730450220724db0f5755c8ea6c4df4783281499136aa4529ae7ab3eb8c60ec659e699f3e40221008297bbaad907b5dbb1900b0799a13420cf2aa9667a406f68f2d0f4cc191933b300770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016bdd91c6ad0000040300483046022100de007031502e0806e70bcae85d8e337044e64326f06fe9486878822e141440a70221008b634455f0631792c1168591648b9c79ae6e17ff69d0d86efb8a492f8c9ed7c9
 . . . . [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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