mobil.tekom.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:80:5c:f1:1c:11:f5:a1:74:01:00:ca:71:e7:f9:b7:e8:b8 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): 03:80:5c:f1:1c:11:f5:a1:74:01:00:ca:71:e7:f9:b7:e8:b8
Serial Number (int): 305016541649646349094214743204912424282296
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 73:bd:ce:bb:25:87:81:3f:59:45:0e:8f:83:fc:ca:07:b9:76:29:f5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b4:e6:26:04:10:b4:4f:1d:13:ae:32:8f:2c:e6:fd:8a:6d:31:c7:d8
Fingerprint (sha256): 29:44:ae:92:0b:81:68:8d:0c:96:8e:ae:ac:82:65:b7:32:d8:dc:36:ba:73:bb:83:11:71:29:7c:3f:56:56:83

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
bride.tekom.de
mobil.tekom.de
webmail.tekom.de
jira.tekom.de
iirds.tekom.de
www.tekom.de
www.tekom.de
umfrage.tekom.de
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA08TCmgMrCYrmYK0ZQyaQ
d5W0o+QXgdjU2vpsqqT+X9jPnHdDPmaO+arm8SlpNlE7xalGRcw7PP9hq5jXeqy6
TeKSXa6lkNgJvoP0mXNgIcijTzAdnXdiiJ4b0EEmBnbLOIXP2Yj9S9JHykMukXqz
duYU937z/9HTlrPAX3eIjbyWrNYATcp/MZUW0HqVMef5W9W/rG6V875mjlKpVL8J
1CmsToYayloGso6R4s5h5L5AlrXYcU1GOJ6wV2sdXsHbTbg7vdX36NAYW8K7sfSk
tDE1WHoTUumNol+aHIpUr8+4VIuXsDhh3Kx0YPogo5Jqw8Dgo2Ajh0y1M1qOyv+8
mQIDAQAB
-----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 305016541649646349094214743204912424282296
 . . . . . . . . [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 2018-12-29 10:36:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-29 10:36:15 +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 26733308400198496010173980312477175759853037820052927724005529270010574121906167038052628301667930288322772627318357865292799108981570138130734416426221704040165718472979536339150283829770166203798881521530941087938807100470209103395931738924939819924197757530919890443092250011098175904774556026446178581973696995724772293861684927165111516430811181029767488847249851815516609553787047715010854362060649027668553585707037619537044205395262247686784645193435065018380010071895657060142736126973710432535149674405798282010569859149972739865029940729179651784505480452113781432212894997451241149055944642784860697509017
 . . . . . . . . . . . . . . . . . . . . [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)
							73bdcebb2587813f59450e8f83fcca07b97629f5
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167f9c0199400000403004630440220042a0ccc6b6765f07cab488d32e866189958827138283cb90c0dc02d4cee3c8c0220648f26cc1adf7bed1066a13da1e6f50dfded6b452179306741a3ba4f7efd1450007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167f9c01bec00000403004730450221008f1b39ebb577650f23a67255907e759a91237875196ec36207ac9701dc378370022071a276eef2c58c8af725789336cfd16a083cfc39590e0bf9895fab896c093db3
 . . . . [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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