mobil.tekom.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:97:27:a9:29:04:6a:55:95:45:ad:11:a2:57:d1:2c:b7:f3 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=mobil.tekom.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:97:27:a9:29:04:6a:55:95:45:ad:11:a2:57:d1:2c:b7:f3
Serial Number (int): 312772213422275767302182911128006030047219
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c6:72:bf:66:d9:2b:c2:6d:11:c7:e8:48:32:54:41:47:ae:15:bc:52
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 68:47:86:11:4b:7c:3d:b9:db:f4:1a:30:d9:f6:b5:65:e8:43:f1:17
Fingerprint (sha256): 0a:e6:55:b0:70:d7:4d:9c:91:a3:0d:3f:3c:d5:28:86:5c:41:9e:5d:72:15:e0:44:20:48:0e:da:e6:d3:39:1d

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 mobil.tekom.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mobil.tekom.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

mobil.tekom.de

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www.tekom.de
www.tekom.de
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iirds.tekom.de
autodiscover.tekom.de
statistik.tekom.de
www.tekom.de
develop.tekom.de
cloud.tekom.de
www.tekom.de
openx.tekom.de
conferences.tekom.de
mobil.tekom.de
develop.tekom.de
iirds.tekom.de
webmail.tekom.de
conferences.tekom.de
develop.tekom.de
conferences.tekom.de
www.tekom.de
tagungen.tekom.de
umfrage.tekom.de
link.how.fm
iirds.tekom.de
umfrage.tekom.de
develop.tekom.de
umfrage.tekom.de
tagungen.tekom.de
openx.tekom.de
tagungen.tekom.de
jira.tekom.de
conferences.tekom.de
cafe.tekom.de
visilaw.com
tagungen.tekom.de
openx.tekom.de
jira.tekom.de
www.tekom.de
statistik.tekom.de
tagungen.tekom.de
statistik.tekom.de
mobil.tekom.de
app.ventract.com
iirds.tekom.de
www.tekom.de
webforum.tekom.de
tagungen.tekom.de
www.tekom.de
www.tekom.de
tagungen.tekom.de
www.tekom.de
www.tekom.de
umfrage.tekom.de
tagungen.tekom.de
www.racetime.app
conferences.tekom.de

Certificate

The complete raw certificate details for mobil.tekom.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2VXebIqtcwNJerBaSXGy
FZ735mNHGDnp93tl2hpF/lT08hFbyFVLuVVymBqrz6HHR1OeSxMl1+bQNmmxTp9T
ibkonjyMDeH0w1bPK3MffUmMlZz8vD1N006PCpgjTgfoon2VjEVkSkkMw1CyFPia
G9znkmw11XlOMVZ3bHMZuFltm9/1+aTQNOd/UmAbpF+agMxQ3DQcFp7vMEoppw9H
UVBVFAaC9XvT03aE7j6Zql7gzTu+0odiPCdRqovwzhHi85I8qlXaG3JouJpj2LqR
vqK+ZNbWTzDnnuD1h56JGtObkwmac9Z56YavzViE+2OfrGarjCKY+Bh2YZbt83Z7
vQIDAQAB
-----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 312772213422275767302182911128006030047219
 . . . . . . . . [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 2019-06-27 14:24:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-25 14:24:15 +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 'mobil.tekom.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 27436055682634652887649319226833227376729823362142369583295188417053247022764311790077161368357867800545099712892002125081326907663770023629638940723915906527300194325708753490422312020980095236211040123900471306384288566136514805357308603876689545203842639372502567198776469282898574738278251177633659899721137010326444373923535889850690419763446505205737483209118952836399121020459786959464484290493554199151133328046287252949002726245609525334511095091383708955988069104000430963413215584012757508860739828779503932727569591519806713000327133792513679619086404046044044720219118066069899183777126006121637516573629
 . . . . . . . . . . . . . . . . . . . . [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)
							c672bf66d92bc26d11c7e84832544147ae15bc52
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mobil.tekom.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b998988d40000040300473045022100ca0a77305a0583262acd2a17763df042f81846de121e1283462afe77a345719b022010a03245cc7fdc73923514efd7546f619db85e9be939d17f328ace9003667212007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b99898b3e00000403004830460221009c1aae3a620ec1b855610c7af1d9334c0cb1431cc1a6b4bc13bfe9f3b839687f022100dc97d97eee8222c4764b017ca6a9856a69b4d9ea95183c45f57ce6a1cd0a44fd
 . . . . [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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