www.ref-aarau.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ef:18:89:51:d0:47:85:fe:a0:9f:e4:3a:ff:59:f4:d6:8b 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:ef:18:89:51:d0:47:85:fe:a0:9f:e4:3a:ff:59:f4:d6:8b
Serial Number (int): 429809243897090507730604627137809807103627
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d9:af:11:2d:7b:ce:83:44:cf:e3:2a:45:4f:e7:a8:6f:a7:ff:56:9c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7d:ec:c1:18:3f:ae:56:31:57:09:f1:69:b9:79:e1:0c:c6:88:ee:38
Fingerprint (sha256): 65:f6:96:f0:d2:37:e2:5d:d3:12:ee:c7:ee:21:0c:38:a0:ca:8b:e4:39:8f:90:0c:05:fe:68:46:37:a3:1b:7c

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA384rAlvcaMHfk9EJommR
Vbt9PLVlWLxLHHJFh0ylBNVZBFvADxHysy+gIKYzgkh3iH0lHtMddU04K/TFOJG6
etMpEfLLlmOy7Q6O8qKVrc4Tn0ayHrRXhXUQhtk1hywzcm28lCG/UFdsFol6XFes
22rtPLO6EVT6mlIG3i9JwWFGRghJwAzgql4EkCPYOU9xHE8E0HEup2JKsCHNtGwj
GAmR78p5lmquqp1SO/M5HN2nx1r1YQescePvI/x/tA2D6xE5L/D/P6p/nU1bPv/p
UUZF8fEX9hmTuGHT5jN8nqx4NYR5Ntp0TpV+s7PRprBHHE7wgtVYOPhDG/uVzmSb
dwIDAQAB
-----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 429809243897090507730604627137809807103627
 . . . . . . . . [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 2020-01-20 05:17:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-19 05:17:26 +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 '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 28252807239684902477320994842313210078701922353883729064598882795914795645776699480661561067404878294642063712322305284520405964506026002463723514040782862237316808647883320544637469330664913128093094539219996062447906735194917980719166758782147929793012149609716125431640014120082377782967181977638235227748887968367423992511362812248576003770456516466955208256394576224294400700809279440989208696975560367678925799535351398542345129609157048304788889618329448887270990911531006732834259815787076746785945470359226296408250068059536506143086829147969198661980400817393707864552201821293766751533244394659025812495223
 . . . . . . . . . . . . . . . . . . . . [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)
							d9af112d7bce8344cfe32a454fe7a86fa7ff569c
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fc1994a0e0000040300483046022100cc32a7ea4b3135836d37a676a6d9b38dfd0f51eb733561fe76d9e901f6b2351f022100b9414bcbd79f4e823ac947770a9fda182daede34da98c90f39e9a9e92261799000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fc1994a0f00000403004730450221009731cb7f3ffa7e7c7460675427b8de80d2d759cf9cf7def51b02eadef191022b0220139534298dde1c715c6d050177a1bb51f9896c03ad527530f1d8d76c100ee22d
 . . . . [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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