pop3.itamservices.de

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:b8:8f:46:4e:6f:b3:4b:1b:36:99:59:39:b8:06:bf:9a:3a was issued on by Let's Encrypt .

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

pop3.itamservices.de

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:b8:8f:46:4e:6f:b3:4b:1b:36:99:59:39:b8:06:bf:9a:3a
Serial Number (int): 149914686100268028070263264363683982055994
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: e5:bb:cf:62:23:b6:f5:e7:e3:92:98:95:7c:13:26:86:a2:a4:d9:2f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ed:64:e8:69:28:c9:ce:43:ca:fe:ad:c0:25:3a:3c:d7:f6:d5:23:ac
Fingerprint (sha256): 0f:78:b3:75:3a:39:39:7a:29:53:0e:46:20:b2:3e:3b:62:e7:67:e5:a7:c7:e2:28:ab:06:0f:5a:af:18:95:37

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on pop3.itamservices.de
5
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

4096

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

smtp.itamservices.de
mail.itamservices.de
mx.itamservices.de
pop3.itamservices.de
imap.itamservices.de

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGZTCCBU2gAwIBAgISAbiPRk5vs0sbNplZObgGv5o6MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTExMjcxMTIyMDBaFw0x NjAyMjUxMTIyMDBaMB8xHTAbBgNVBAMTFHBvcDMuaXRhbXNlcnZpY2VzLmRlMIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzeCOj/aqPigGJlihwMIEqIig DrwNJZ5lry+unhatDbNlEOOT1PhU5srRtec990nE/tw7SbtApfR2CvVrjS5E3T8b oGAuk/2R19z2glLumqY/HGc3TlMA5Q4OkcctY78ExcSjgpU00AR8zsSVFS776UIg LLM5JgWJRcOutnU9Ps86YHF9CPVD6pn/FXYHLonPNmek4uwynqF0pdL6pOe/9fPv IQCXRmSb5CeNZpsJ2Z7aXdaR+kDJ4DP9wX7tUD4oeIYbT7i2XLg9DKf7aMES/t0F yaEf4vieijLQcrGCfKsCaGCOPGOapw9y5HdqnnSY2rm6ALzEU+d9ayVW90hA9P1Y nQUUQXQfwfSw+Vt6H8ZmFLluWFXQeYajYBb2Io5bTJNF4UmdeTGZlL7V+p3i1Qo1 w+PbbsUULlG0D88F+n8Wde3nlMcCvACFPYMXsFHK6NhjrrBjguZ2MOrDFX/4iiNy vT/+jnasexF5ZVTbztRLUU+r9+3f0/+8Pt9yl6RO+s0h1XSIJ77HVoCwqC4U30l3 n1DeSVgVv+12U+mnkhB0P/wvCgVVTmG7/K/8XqKDKqKJFvEtHBVizqzVmr4bYjpG bJNi5GeFcwn3p0Csus03Sp0/e5hwwF9CmGGwP53LLJrgCuM9zazhrGPEPTD8mbld WW+1MZNyXiOsd32zVCsCAwEAAaOCAm4wggJqMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQU5bvPYiO29efjkpiVfBMmhqKk2S8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2Nz cC5pbnQteDEubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2Nl cnQuaW50LXgxLmxldHNlbmNyeXB0Lm9yZy8wdQYDVR0RBG4wbIIUc210cC5pdGFt c2VydmljZXMuZGWCFG1haWwuaXRhbXNlcnZpY2VzLmRlghJteC5pdGFtc2Vydmlj ZXMuZGWCFHBvcDMuaXRhbXNlcnZpY2VzLmRlghRpbWFwLml0YW1zZXJ2aWNlcy5k ZTCCAQAGA1UdIASB+DCB9TAKBgZngQwBAgEwADCB5gYLKwYBBAGC3xMBAQEwgdYw JgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEF BQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVw b24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0 aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2Vu Y3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAPAQiW2wp+ IYFHnYvHHhRe9fshZXsmiOyGvO0nbK+CHXLW4Kz6XZRIJUE1tcxEZgokb+h3hC5C 7Xr4jlTZpAkpjcfNJGSdBclxl/XPyhRVQq3OcFXYEHn1y481ktUVrEwtuo+FJTVh vUq/e8RRDdggfSIFSLWZs4zaFo+7YczG79aUiE5IQVFb4Bi+IuyAgbrVSto1x3b/ chW7AQUdCV548g1QfVI92SNqjCPSEqmMM7F2TGNNRReToe8zxMkE4cmfVYnlUM6s hCq6VtmjbIRSgbJsBuOMrmJfSLGhxM+3l6bMawqoZWb8k5K/8TNLFAGyBP9gLzcN vlYpk8OYGl9M -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzeCOj/aqPigGJlihwMIE qIigDrwNJZ5lry+unhatDbNlEOOT1PhU5srRtec990nE/tw7SbtApfR2CvVrjS5E 3T8boGAuk/2R19z2glLumqY/HGc3TlMA5Q4OkcctY78ExcSjgpU00AR8zsSVFS77 6UIgLLM5JgWJRcOutnU9Ps86YHF9CPVD6pn/FXYHLonPNmek4uwynqF0pdL6pOe/ 9fPvIQCXRmSb5CeNZpsJ2Z7aXdaR+kDJ4DP9wX7tUD4oeIYbT7i2XLg9DKf7aMES /t0FyaEf4vieijLQcrGCfKsCaGCOPGOapw9y5HdqnnSY2rm6ALzEU+d9ayVW90hA 9P1YnQUUQXQfwfSw+Vt6H8ZmFLluWFXQeYajYBb2Io5bTJNF4UmdeTGZlL7V+p3i 1Qo1w+PbbsUULlG0D88F+n8Wde3nlMcCvACFPYMXsFHK6NhjrrBjguZ2MOrDFX/4 iiNyvT/+jnasexF5ZVTbztRLUU+r9+3f0/+8Pt9yl6RO+s0h1XSIJ77HVoCwqC4U 30l3n1DeSVgVv+12U+mnkhB0P/wvCgVVTmG7/K/8XqKDKqKJFvEtHBVizqzVmr4b YjpGbJNi5GeFcwn3p0Csus03Sp0/e5hwwF9CmGGwP53LLJrgCuM9zazhrGPEPTD8 mbldWW+1MZNyXiOsd32zVCsCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 149914686100268028070263264363683982055994 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-11-27 11:22:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-25 11:22:00 +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 'pop3.itamservices.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 839905597071458889227817641365710930456911247496754264942904743179614233075430070051750028896147276351435078693394862144250015159663004042988279067768620425073814052981193268056735014591828750073886390979502766166993118404555941011613028186616423190044299881749561577797172780664376484847178269817245339283896586340113807815530957903072720088416540097709356861675713191299716113348697718300577701376100996927382322476248011503022241685701554348357806932459768712895595665846194133709437301915962708248769476066348237411912693629322627468202730230551818972003195736291921591140044727475734064750426356061665032477647833465556638497880284018365685380605372801092851114187647864499673367873438817751764419449535117248415848306451246818641220318429403615027681485128894427430817203658518928944547943282443576075787455138514147221657686226890122668152783877543633383024444249373802356914837258838580219082520887220849201384776932807163885800119895937273471226474706744583011052985591141347173698028929393413795999960059566254722331849374720145546156705926395184531206118479445076762642447919788330978483811073733445772779300204740225702275410075841130671453213354858617716818717490497967497776378891709926527640848414127973135661204198443 . . . . . . . . . . . . . . . . . . . . [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) e5bbcf6223b6f5e7e39298957c132686a2a4d92f . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (110 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.itamservices.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.itamservices.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mx.itamservices.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pop3.itamservices.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.itamservices.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 (248 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: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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