pk.prlab.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:a5:e7:4c:22:5a:c1:e9:49:45:fa:64:91:63:02:a9:67 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=pk.prlab.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:a5:e7:4c:22:5a:c1:e9:49:45:fa:64:91:63:02:a9:67
Serial Number (int): 304773241978303732942173684018134917491047
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cb:e4:4c:f4:e6:df:7f:8c:7b:92:05:b6:51:b8:9b:90:c7:5f:6e:d7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:d5:57:23:96:a4:f0:74:d3:d2:3d:46:c4:20:6e:c7:bb:e8:3e:93
Fingerprint (sha256): 6c:cb:a2:d8:69:9d:05:b1:39:73:bd:eb:ac:27:87:6a:32:aa:3c:72:ba:f0:ec:c4:39:9c:f0:b6:5f:96:c9:fa

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 pk.prlab.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pk.prlab.de

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

pk.prlab.de
www.pk.prlab.de

Other certificates including the domain name prlab.de

(limited to 100 certificates)
noffice.ng.prlab.de
ng.prlab.de
sel.prlab.de
stol.prlab.de
abe.prlab.de
lib.prlab.de
ant.prlab.de
abe.prlab.de
noffice.ng.prlab.de
npi.ng.prlab.de
prlab.de
fst.prlab.de
nsp.prlab.de
ng.prlab.de
sel.prlab.de
stol.prlab.de
prlab.de
glt.prlab.de
noffice.ng.prlab.de
abe.prlab.de
klar.prlab.de
mosswp.prlab.de
noffice.ng.prlab.de
ng.prlab.de
ng.prlab.de
nt.prlab.de
res.prlab.de
abe.prlab.de
bosten2019.prlab.de
ant.prlab.de
hts.wfg.prlab.de
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nsp.prlab.de
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ng.prlab.de
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kwg.prlab.de
sel.prlab.de
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enerko.prlab.de
abe.prlab.de
ng.prlab.de
lib.prlab.de
npi.ng.prlab.de
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spr.prlab.de
pk.prlab.de
npi.ng.prlab.de
abe.prlab.de
lib.prlab.de
lib.prlab.de
enerko.prlab.de
noffice.ng.prlab.de
pk.prlab.de
npi.ng.prlab.de
ees.prlab.de
ng.prlab.de
pk.prlab.de
sel.prlab.de
ant.prlab.de
ng.prlab.de
lib.prlab.de
abe.prlab.de
noffice.ng.prlab.de
klar.prlab.de
lib.prlab.de
hts2020.prlab.de
fst.prlab.de
sel.prlab.de
enerko.prlab.de
stol.prlab.de
npi.ng.prlab.de
abe.prlab.de
bosten2019.prlab.de
npi.ng.prlab.de
npi.ng.prlab.de
ees.prlab.de
ant.prlab.de
bosten2019.prlab.de
noffice.ng.prlab.de
lib.prlab.de
noffice.ng.prlab.de
fst.prlab.de
lib.prlab.de
npi.ng.prlab.de
noffice.ng.prlab.de
fst.prlab.de

Certificate

The complete raw certificate details for pk.prlab.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFCjCCA/KgAwIBAgISA3+l50wiWsHpSUX6ZJFjAqlnMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA5MjkxNTQ1MjZaFw0x
NzEyMjgxNTQ1MjZaMBYxFDASBgNVBAMTC3BrLnBybGFiLmRlMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeM/jZ7MXgViu+m+2H7gabq/ocbLWNwVaOOY
FvD0pmIblIvnYTcQCAZZbfhIWwbWifRFucFkBW7im6OYIUOuxF+6k0Bnw2syfv5Z
4hY/rvzDsjdDgyzqq1Tz44sysfRtm1biAkVQdUZIACNnqFHxDzTbTJLEv1wXurPk
wax6NuayNwlTKANbAzr5xwd+fq8eEuM+LYUrq1rCpaefjzFUcDMfCqHVRcMGVZtN
0MQzj8FIESnLQtvvOpAgO/cWgJNqzz1H1HsLHnNjY4krpqIyGBSTTv3NZrq2ToJ7
kctYm5TvZkv93ZySiZv9333ngI1chZ0jP08/oIInLBabFcf7QQIDAQABo4ICHDCC
AhgwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTL5Ez05t9/jHuSBbZRuJuQx19u1zAf
BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw
LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw
LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv
MCcGA1UdEQQgMB6CC3BrLnBybGFiLmRlgg93d3cucGsucHJsYWIuZGUwgf4GA1Ud
IASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIB
FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtU
aGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlp
bmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRp
ZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9y
ZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAlIr6soKlNOJL30SY2gem2i2W
7oJ7YRDlbWQrnZsOQXK2yw5nS5x8+PadcwYwvADxhhwW3C9/44S7hGSDG7HWS6Ne
fPzlvgvjY8MgGJiGyrB4k4EbNpFwpvcHSeakzs1c1KlublVeuE9P17SUm/02HDvw
kj0EUSKniSn4DmW9m6V3vQ/pPELtinhczOoHciJMXpIaW2Nhe4A2FWLnoOWkMS66
x7X87ujOU989VmXXXRT7K4DtTLokbP2PtyrU5m18ZTGNA7NCh3iw7n19XsA5qB6D
mUP03yqZExLwUQKy8NmNmCBkdkhc/ZrgzV3X/UZWiLK4/ZtwpkT9XtoHIavsmQ==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeM/jZ7MXgViu+m+2H7g
abq/ocbLWNwVaOOYFvD0pmIblIvnYTcQCAZZbfhIWwbWifRFucFkBW7im6OYIUOu
xF+6k0Bnw2syfv5Z4hY/rvzDsjdDgyzqq1Tz44sysfRtm1biAkVQdUZIACNnqFHx
DzTbTJLEv1wXurPkwax6NuayNwlTKANbAzr5xwd+fq8eEuM+LYUrq1rCpaefjzFU
cDMfCqHVRcMGVZtN0MQzj8FIESnLQtvvOpAgO/cWgJNqzz1H1HsLHnNjY4krpqIy
GBSTTv3NZrq2ToJ7kctYm5TvZkv93ZySiZv9333ngI1chZ0jP08/oIInLBabFcf7
QQIDAQAB
-----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 304773241978303732942173684018134917491047
 . . . . . . . . [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 2017-09-29 15:45:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-12-28 15:45:26 +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 'pk.prlab.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 24981006369252515044078449891938413672420916033048237988918266113812678803182057036809541940576304950764733487870981060457480379053966148441843591557135114609178062660179995811897009262978678363525126115539902168999174149312900395716165902684064126729050839834316845001578563664746648350352069715392242433126353451410507680730501224921572087271147618983347737508645689387303336424430079509070141528490317717675820243238180255730659732187822374691667529621325769378385215183238845564350922975879988792598172861213178121034953710052938562616674456698788470490353498518296066638104185223742130256810279955509633320745793
 . . . . . . . . . . . . . . . . . . . . [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)
							cbe44cf4e6df7f8c7b9205b651b89b90c75f6ed7
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pk.prlab.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pk.prlab.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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