billroth73.at

Issued by R3

About this certificate

This digital certificate with serial number 03:83:c4:39:1b:ab:a8:5a:57:6f:57:96:65:bb:e2:f9:93:90 was issued on by Let's Encrypt.

With 6 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=billroth73.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:83:c4:39:1b:ab:a8:5a:57:6f:57:96:65:bb:e2:f9:93:90
Serial Number (int): 306174673071243636436245582912134963630992
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8d:a5:9e:a5:0b:16:a5:2e:30:df:8f:d0:53:5d:18:86:32:bd:30:da
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b0:af:99:1e:c3:fb:bd:1d:f5:a8:d1:b2:9e:eb:b1:1f:25:20:c8:c2
Fingerprint (sha256): 42:1d:9e:df:e2:06:e1:84:e7:18:f7:f5:8e:14:6b:13:12:ef:0b:28:9c:43:db:f9:b7:af:a0:1b:3b:a0:e6:7e

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate billroth73.at

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for billroth73.at

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

billroth73.at
it.billroth73.at
portal.billroth73.at
r.billroth73.at
schueler.billroth73.at
webuntis.billroth73.at

Other certificates including the domain name billroth73.at

(limited to 100 certificates)
billroth73.at
webmail.billroth73.at
it.billroth73.at
billroth73.at
webmail.billroth73.at
webmail.billroth73.at
gate.billroth73.at
webmail.billroth73.at
webmail.billroth73.at
most.billroth73.at
webmail.billroth73.at
billroth73.at
webmail.billroth73.at
webmail.billroth73.at
most.billroth73.at
webmail.billroth73.at
webmail.billroth73.at
webmail.billroth73.at
webmail.billroth73.at
billroth73.at
most.billroth73.at
webmail.billroth73.at
billroth73.at
most.billroth73.at
it.billroth73.at
most.billroth73.at
billroth73.at
most.billroth73.at
most.billroth73.at
webmail.billroth73.at
webmail.billroth73.at
billroth73.at
gate.billroth73.at
billroth73.at
billroth73.at
webmail.billroth73.at

Certificate

The complete raw certificate details for billroth73.at in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtI2N6aUJAdC6s5gsb/AQ
v1DWnQ0v7NBvg2hDB3fofGTI9O6DVWPi68PREEBgJ81Ty8/CebheltWxHWCJtxsn
HQLkHJ8oV9eSz6Q2d4XhhYd/fBL8j5DOFYDiQIjMTUGGgAKc1YNptCMhBgoA3Hiq
kdqd1rtv4pJvkBHdmbQvdLnwpqzFfV/QbYuUlvkp6bFgJ0eIJt7LPJ8aIzOuU0Zr
oRG7EofEz16ZXW5kR9RvOcs55lVu1NcuR+ZHeuNzRlEXjY+Y0yukRyM94nmDRqNE
jIur7hyraqL9lXeDPq0d3ulDh7k0GKEbYgjz0q3G9Xxt33i9X28SLa+tJOWZV4BH
mQIDAQAB
-----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 306174673071243636436245582912134963630992
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 12:04:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-20 12:04:46 +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 'billroth73.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22792697943688148725986610824331131752681100972498903702368599397268759666417456274031694801438486029504919134837807643756070067101027905311330936307036106044639147663771802060229179565544096011030633196669338120426978678334296304991375572924854646016157406382829165866227108436723238500199922230580194464709343694561369263946061958788605439717152901710857303313969920517158334225683129001039784159867900816694535813459477941630443666836914101712653755542999503381499853337532048217472527024897406312657906096580032812226562965551389110233356987116684882304248309610608756128031793770884200627051435232963737642092441
 . . . . . . . . . . . . . . . . . . . . [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)
							8da59ea50b16a52e30df8fd0535d188632bd30da
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (122 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'billroth73.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'it.billroth73.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'portal.billroth73.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'r.billroth73.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'schueler.billroth73.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webuntis.billroth73.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dc69e6ce40000040300483046022100d33b98b09e09861b998ec419139a9038ec6fe07e4c6c22843dec140881d3f81c022100d951bf5e7cec613ac6964a9cefefdb0351ce21fedd72d1f7997bd3ce5d35df15007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dc69e6d57000004030046304402200b09d2d78d6b436ba9ba571fe05b66334958f7d7ab4ca122e74ae2f0534b67be022017fe363d915c5f285767750d01c40825edd5dc6c67c3c347f3964037667934c0
 . . . . [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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