email.zu.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:2a:10:5e:3e:0c:a3:ce:1b:18:1b:e0:83:55:eb:a4:de:c0 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): 03:2a:10:5e:3e:0c:a3:ce:1b:18:1b:e0:83:55:eb:a4:de:c0Serial Number (int): 275650474188308244932940058640104225562304
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): 11:ba:25:51:ea:e5:e1:89:81:d6:5e:22:2f:89:40:26:6e:74:b8:e8
Fingerprint (sha256): 6f:d4:c0:43:5f:c9:bf:e4:88:45:b5:bf:60:ad:32:54:11:67:ec:6c:70:09:18:76:d1:c8:f3:bc:9c:e2:b0:21
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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repos.bsz-bw.de
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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
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
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repro.zu.de
cms.zu.de
repos.bsz-bw.de
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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
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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----- MIIEgjCCA2qgAwIBAgISAyoQXj4Mo84bGBvgg1XrpN7AMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMDUwNDEzMjVaFw0x OTA0MDUwNDEzMjVaMBYxFDASBgNVBAMTC2VtYWlsLnp1LmRlMFkwEwYHKoZIzj0C AQYIKoZIzj0DAQcDQgAEAQdi9XQGDhadWG3unt04wvYXtPpJyBSYQPYchseiqE24 xkg53wqGDgu0lslNh8ONp+8R+SIJRqKlU7lHiKQpxqOCAl8wggJbMA4GA1UdDwEB /wQEAwIHgDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/ BAIwADAdBgNVHQ4EFgQUgLfwozuhPfqlMeizWJERctKYssUwHwYDVR0jBBgwFoAU qEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzAB hiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAC hiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzAN ggtlbWFpbC56dS5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEB ATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMG CisGAQQB1nkCBAIEgfQEgfEA7wB1AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiT AZ3d8dv+AAABaBxuHXsAAAQDAEYwRAIgSAKgZiLxs0MDI6f/qEz63NXpD49vygcz GT2VE/kBZFgCIAZ+EUkvjeZishHy8P5LPkg5sTSUtasIEryWZJRb/1zgAHYAY/Lb zeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFoHG4dfAAABAMARzBFAiAT CEsV72xrl+KuhOf2zw/SCmeMfeFIWSsBodLyyF5V2gIhAPH9f+1obwf4reR0Z8yX oCCdpNfgDXeW9t5S7iGyGSecMA0GCSqGSIb3DQEBCwUAA4IBAQCX//LGrGz1HG5t h6ZrxuC5hWOWwqvBRVce0IvLbSdrZk7Jt+e7zr6BPY4t3Cm1CbRWR+eFCcTWljTc pmXAjgUHmM5OO0lEinUCe9r7k+f5VF2t2PB1EJwrzqHh9kz82RTNeo5QVCH1RNmr hhYbNjKyi0B47fn5+C/VGxFTKSPqMyMzfJeVztN5FQfKJ1Jm0yOiHEO9yBI14F6F kHjbK6WAy4Ij8CAUhqFfOMVIomHJutAf0/U+RGgRMWxzflom14W9xChB4Ma/yKBe KQZHdJOkIguawIV+1mgXS3Q5KG4fUIaF0pKXQ+sXiBq4nP6h3s2nJHOUaaw1m31H 17m/XxNp -----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 275650474188308244932940058640104225562304 . . . . . . . . [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 2019-01-05 04:13:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-05 04:13:25 +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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001681c6e1d7b000004030046304402204802a06622f1b3430323a7ffa84cfadcd5e90f8f6fca0733193d9513f90164580220067e11492f8de662b211f2f0fe4b3e4839b13494b5ab0812bc9664945bff5ce000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001681c6e1d7c0000040300473045022013084b15ef6c6b97e2ae84e7f6cf0fd20a678c7de148592b01a1d2f2c85e55da022100f1fd7fed686f07f8ade47467cc97a0209da4d7e00d7796f6de52ee21b219279c . . . . [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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