www.ref-aarau.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d2:ea:47:17:8c:f4:a0:cc:88:78:32:41:7b:8a:46:38:53 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:d2:ea:47:17:8c:f4:a0:cc:88:78:32:41:7b:8a:46:38:53
Serial Number (int): 420219849262191762573218536395931046525011
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 44:2c:eb:ce:14:75:05:3b:bd:af:7d:69:e9:ce:26:a8:7a:3c:7d:40
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b9:2a:ba:cf:43:65:3b:0b:2d:bd:57:2c:a5:79:84:4a:4d:c1:e9:72
Fingerprint (sha256): 59:60:70:a9:ab:71:0f:70:34:e9:42:96:21:95:38:9f:bb:a5:8c:e3:d5:51:fe:5f:3c:1d:7b:6d:86:66:3d:b6

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtCal9Frf+/X55ICbsabq
zFakBdWt2LnCjAMGqMALqCAeH1db+eQAAg3l3qP1tHguh5GAyo5BqOnmM/hlSoSl
6lTsAD12+Xprem2B2x6w2x9sehpFqfhidwSatz1qSn+Tigc9bC36DPi1nsMXagh9
tYE7jEl/Dl07WWJLD0I8SXRjPQ0LAovI4DiHfa5gZlriRAd4zxBDBzQJ4yPWOlu1
N4uQxY8OfzQ3nyfyxvkqbbSoLzaS8RjPKSI6zvEcpMQibUCwlStzCAZvpkkAlqoO
wm/fPwYi9yOU1zDTJu2rYDEH5/DcCI/97Lviso+UFXC8VtkP0aidwyxz7hXq6+1H
6wIDAQAB
-----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 420219849262191762573218536395931046525011
 . . . . . . . . [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 2018-11-25 17:09:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-23 17:09:38 +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 22741953061111024927803505058742245133472209442096820254851973463902719488470648748549192420160153647391077695881501199037859012726085061733528157413428100617779258022970504834710193662452992919607882155401994914549183922546437291407324271289481167034331807713698502921244078691363844862087410334480745623847146030399506164888360420320087366762531517909784072966552137116720848734110904935517311783978078119235101541814506226013313191453714627059085378814681868904807020078392478825643302284054039184128652811012616792496184937547198922008453163452980716680081576920207226635505740867328768700448775521135016595507179
 . . . . . . . . . . . . . . . . . . . . [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)
							442cebce1475053bbdaf7d69e9ce26a87a3c7d40
 . . . . . . . . . . . . . . . . [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)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001674c10075700000403004730450220263057526b5e1add4c2fddefed100b2f8849c4bbf6feba98067fbe6a63bb989b0221008acb7937a7bf1d0094d8c3ee1bda69d2cfec9e22bd4db5ed2fbcee8101b9c41e00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001674c10074d0000040300483046022100c0b591f083f935063a2fa9165004502f5a8c5a402c8571c15cc764af18a77e59022100ce8276d84578d511b04ea62ab48f6ca08b8f856fad387bb789842644aeebf276
 . . . . [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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