www.ref-aarau.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:39:0c:e2:bb:4c:69:96:af:b2:d0:11:70:1f:bb:83:49:13 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.ref-aarau.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:39:0c:e2:bb:4c:69:96:af:b2:d0:11:70:1f:bb:83:49:13
Serial Number (int): 367862366635438541193990134407697141025043
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 70:2a:7c:90:47:94:41:6f:9d:fd:f8:96:4c:91:b1:92:57:29:90:c2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a4:fa:89:b8:4a:cd:ec:9b:9d:dc:59:27:28:cd:bf:c9:65:5f:15:39
Fingerprint (sha256): 3f:25:ad:b0:c5:35:47:4c:95:b7:65:f6:f2:f6:1c:db:89:e8:e5:71:77:ae:70:a9:16:49:3a:42:5d:8b:34:90

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 www.ref-aarau.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ref-aarau.ch

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

refaarau.bwise.ch
www.ref-aarau.ch

Other certificates including the domain name ref-aarau.ch

(limited to 100 certificates)
stadtkirche.ref-aarau.ch
stadtkirche.ref-aarau.ch
kantorei.ref-aarau.ch
stadtkirche.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch
kantorei.ref-aarau.ch
kantorei.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch
owa.ref-aarau.ch
kantorei.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
owa.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch
stadtkirche.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch
www.ref-aarau.ch
www.ref-aarau.ch
kantorei.ref-aarau.ch

Certificate

The complete raw certificate details for www.ref-aarau.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuFwqmi18mxPzRoYbkbug
ahQDpKoJqWCRrqGO2fQzGCPE2IJniZYtDPgQdoTm+AeYKRXaig88M2+XpQx5tVBh
D+Jr3f/VveGV1iPAFDCs1WFfBNbi2aPaRwnw60XkbS4uhDv8etld4YzXSFSwWd6C
cHCXxncTPZjfMDC9T5/JLLK+Gql2dfAJMw9fFHnttlhTHrYbaFY/eEbxoLeTC4i2
so1UR3NwAnuht5t3THXO+RiHe+h6vTLroiU45VS0815Q8AMlWhisQU5ieUnhH5es
aNK6FnAri6wshhFObIbp8q05WeOBV5nSwuFJlynVZ3BoEJC7wFKPiZ5psZDuUHu8
GQIDAQAB
-----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 367862366635438541193990134407697141025043
 . . . . . . . . [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 2019-09-22 04:14:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-21 04:14:42 +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 'www.ref-aarau.ch'
 . . . . . . . . [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 23273297066928890282280283725547647041046501481084735746451269919583167782970669819323868533919301437901851250132522152626738965418264999467817270850909272059000073755033699926933940244390259585426751146091284382871716710146159562965906052776260947860704858834778470406615128182377231715287411071946298035398011602779276799888925547662351162354894226871899221253464566617860639899101963873520043867329918183902353072397388964639556066727037083830208124589722944315608957096912535924553214791382116501574620562756125267180116599351515388905497671170524590990414041675776753862306339905661495901698127581921819471100953
 . . . . . . . . . . . . . . . . . . . . [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)
							702a7c904794416f9dfdf8964c91b192572990c2
 . . . . . . . . . . . . . . . . [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 (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'refaarau.bwise.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ref-aarau.ch'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d5764bae50000040300473045022007956f2a11529a21730beb976b39a5875733d5ef1549b391c61ecf5122293bf3022100878a7276abf3f9d7657902cef90fe6e6c9a2d6a498644786846c88c5a7852f4a007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d5764bcd600000403004630440220016273c84bd52f69b6f72709a7f5dd17eb8790e28cb5fbb4a34e322432a368100220157601d854a0c1aedd5f20e26c0486032ecaf38946a89e1ac08312d02367704d
 . . . . [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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