email.zu.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bf:d3:44:10:56:5d:a5:43:d9:a6:ec:45:02:45:52:3b:3e 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=email.zu.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bf:d3:44:10:56:5d:a5:43:d9:a6:ec:45:02:45:52:3b:3e
Serial Number (int): 326611610391838141612578299092783342959422
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:b7:f0:a3:3b:a1:3d:fa:a5:31:e8:b3:58:91:11:72:d2:98:b2:c5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 22:c4:f2:3e:75:db:77:cc:74:73:5a:a5:dd:6a:5c:42:e2:96:a0:65
Fingerprint (sha256): 70:bc:69:f2:f8:07:03:11:3e:7b:f8:a5:71:da:28:e2:d2:47:95:a5:ec:e8:11:3c:52:89:c4:a6:99:04:e7:7e

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 email.zu.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for email.zu.de

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

email.zu.de

Other certificates including the domain name zu.de

(limited to 100 certificates)
repro.zu.de
opus4.bsz-bw.de
opus4.bsz-bw.de
ezproxy.zu.de
connect.zu.de
ts.zu.de
radsec.zu.de
ezproxy.zu.de
learning.zu.de
helpdesk.zu.de
repos.bsz-bw.de
email.zu.de
email.zu.de
www.zu.de
dms.zu.de
zucoyo.zu.de
cms.zu.de
cms.zu.de
cms.zu.de
repos.bsz-bw.de
app.zu.de
email.zu.de
email.zu.de
email.zu.de
navweb.zu.de
repos.bsz-bw.de
email.zu.de
cards.jonathanmuth.com
svp.zu.de
*.pbx.zu.de
radsec.zu.de
helpdesk.zu.de
guestportal.zu.de
mediathek.zu.de
guestlogin.zu.de
guestportal.zu.de
coyo.zu.de
zu.de
planspiel.zu.de
cms.zu.de
zu.de
repos.bsz-bw.de
opus4.bsz-bw.de
ezproxy.zu.de
zu.de
repro.zu.de
cms.zu.de
repos.bsz-bw.de
m.zu.de
repos.bsz-bw.de
cms.zu.de
systemone.zu.de
opus4.bsz-bw.de
guestportal.zu.de
learning.zu.de
email.zu.de
email.zu.de
zu.de
opus4.bsz-bw.de
finreporting.zu.de
helpdesk.zu.de
learning.zu.de
WEBMAIL.ZU.DE
cms.zu.de
guestportal.zu.de
opus4.bsz-bw.de
systemone.zu.de
adfs.zu.de
cms.zu.de
idp.zu.de
radsec.zu.de
zu.de
zuqpilot.zu.de
www.zu.de
reporting.zu.de
dms.zu.de
connect.zu.de
cntest.zu.de
repos.bsz-bw.de
m.zu.de
opus4.bsz-bw.de
zuqpilot.zu.de
learning.zu.de
repos.bsz-bw.de
dms.zu.de
opus4.bsz-bw.de
systemone.zu.de
m.zu.de
rdweb.zu.de
mediathek.zu.de
radsec.zu.de
www.zu.de
idp.zu.de
zu.de
systemone.zu.de
www.zu.de
opus4.bsz-bw.de
adfs.zu.de
*.pbx.zu.de
ts.zu.de

Certificate

The complete raw certificate details for email.zu.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEAQdi9XQGDhadWG3unt04wvYXtPpJ
yBSYQPYchseiqE24xkg53wqGDgu0lslNh8ONp+8R+SIJRqKlU7lHiKQpxg==
-----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 326611610391838141612578299092783342959422
 . . . . . . . . [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 2019-05-05 00:53:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-03 00:53:35 +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 'email.zu.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004010762f574060e169d586dee9edd38c2f617b4fa49c8149840f61c86c7a2a84db8c64839df0a860e0bb496c94d87c38da7ef11f9220946a2a553b94788a429c6
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							80b7f0a33ba13dfaa531e8b358911172d298b2c5
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'email.zu.de'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a85b24ad3000004030048304602210086873f8c03679fc261438636313f7c63fb1153ee98c2f2695dbdff95a4cf130d0221008a7bddf09e0e01d050970f8892a65db01d0d03ae79c81c80d2ec8f1b80da8ab3007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a85b24af90000040300483046022100a0b035580e71acf48946ba0ceab847428e13bc636cdddd262a06cf0791695dcd022100c21129796e8e408d66c76833f8de5a1436753a62a6665409ce7ac3cbde9dea9e
 . . . . [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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