mail.4qt.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:93:0f:fc:63:5e:d3:d1:ef:7d:b8:dc:d3:57:cc:02:9b:27 was issued on by Let's Encrypt.

With 11 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=mail.4qt.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:93:0f:fc:63:5e:d3:d1:ef:7d:b8:dc:d3:57:cc:02:9b:27
Serial Number (int): 311379614626875371755033288731847326604071
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 98:78:f4:c5:96:08:33:ec:fe:fe:75:e5:45:18:39:22:cf:80:8d:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 96:db:e5:5b:7a:77:a0:0f:e8:45:73:8f:a1:3f:69:f9:98:8c:04:7e
Fingerprint (sha256): aa:66:c3:9b:87:85:4f:92:18:24:64:37:3c:8a:c0:ec:86:c2:a0:0c:df:ae:df:b2:0c:1e:11:d4:38:6b:1a:b0

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 mail.4qt.de

11

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.4qt.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

4qt.de
mail.4qt.de
mail.nn-dev.org
mail.pathmann.de
mail.pathmann.net
nn-dev.org
pathmann.de
pathmann.net
www.nn-dev.org
www.pathmann.de
www.pathmann.net

Other certificates including the domain name 4qt.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.4qt.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvOwlVCzkLYsy25D83Wyq
z9jn2AAG3ySvm+ejMOWbnD2fAyyW9kIQJts553mv4bupO/PFBAx9MyXaERPP4MZV
cLfdsB5qrPqPm7myJLJpve2dOP4irpYTgJZmujYuaciRcwlcvw3OFEwqq61mANcc
lYi1JoFFM1eSPclFUlYoRaCrYik0T2JNASBWKtVFUJI48F6WblMriqTgBALGOfT6
jhNa/hAUoWENCw1s/atA9SDL3RXMLYVqZwGap6gPrV06a8sj/Yxfre0AJWSJR6+e
+5JTAfN93U6i0gR4YsWLXcpnw+degpDgFHSLJOKJTQecBcXAw+SHb5XpuGsQisXn
4QIDAQAB
-----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 311379614626875371755033288731847326604071
 . . . . . . . . [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 2019-01-29 00:28:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-29 00:28:03 +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 'mail.4qt.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 23849249175393443893354668408616090022156053367059466261809642171799806403041428258118875222732571642328243212044987248354899825138223998759730596401391260364764535752419907279800177255196825519826322992137331437852480023310278115334867398615829364357477181335066305647289274042469861418626162270351588766875448209381572973557722852534529742511673932547394967946214053111467111866449716517034621870926235209090350208160451074164956502955703289261604389420344194391562959081560411851321649872105868963013268246017010462528732526070400994536511777154080945176925771715482574000550855107873822537319618870034016785262561
 . . . . . . . . . . . . . . . . . . . . [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)
							9878f4c5960833ecfefe75e545183922cf808d66
 . . . . . . . . . . . . . . . . [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 (168 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4qt.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.4qt.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.nn-dev.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.pathmann.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.pathmann.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nn-dev.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pathmann.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pathmann.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nn-dev.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pathmann.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pathmann.net'
 . . . . . . . . . . . . . . . . [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)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016897386ba50000040300483046022100da2f405c53f5cb79129d49f5086673c67a0d6c69710b52ca6b0535e7605aed35022100c623df5083e57e6fcd99b2b11a6197b21134f1bef067d02e2c596efbdbb6c2b7007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016897386ba800000403004730450221008d300e60192c0f22174e27895036be6662332ea6119bb993612915dfb95c543c022035d23daa24954fdc03e68b2582979191c528c1aa377eff2e940acc362c0cfce0
 . . . . [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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