*.dfs.de

- DFS Deutsche Flugsicherung GmbH -

Issued by GeoTrust SSL CA - G3

About this certificate

This digital certificate with serial number 3b:f7:aa:54:a6:b5:a2:74:fd:33:1f:ca:31:7a:b5:2d was issued on by GeoTrust Inc..

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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

DFS Deutsche Flugsicherung GmbH

Organization: DFS Deutsche Flugsicherung GmbH
State / Province: Hessen
Locality: Langen
Country: DE

GeoTrust Inc.

Organization: GeoTrust Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 3b:f7:aa:54:a6:b5:a2:74:fd:33:1f:ca:31:7a:b5:2d
Serial Number (int): 79710403791760505292879106230718215469
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: d2:6f:f7:96:f4:85:3f:72:3c:30:7d:23:da:85:78:9b:a3:7c:5a:7c

Fingerprint (sha1): 2a:9b:2b:2f:a9:c0:5a:f1:d4:5d:fd:85:2b:b8:ef:af:b6:bb:cf:60
Fingerprint (sha256): a7:f7:90:8e:2c:34:aa:68:e9:74:83:b2:59:b8:e8:15:7d:a4:97:1c:bc:4b:65:58:8b:d6:71:28:81:2e:29:9f

Issuing Certificate URL: http://gn.symcb.com/gn.crt

Revocation information

OCSP Server: http://gn.symcd.com
CRL Distribution Point: http://gn.symcb.com/gn.crl

Check the revocation status for certificate *.dfs.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.dfs.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

*.dfs.de
dfs.de

Other certificates including the domain name dfs.de

(limited to 100 certificates)
skype.dfs.de
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networkinglunch.dfs.de
newsimweb.dfs.de
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*.dfs.de
*.dfs.de
aip.dfs.de
www.technologyconference.dfs.de
*.dfs.de
skype.dfs.de
aip.dfs.de
support.dfs.de
*.dfs.de
newcomerslunch.dfs.de
*.dfs.de
skype.dfs.de
*.dfs.de
aip.dfs.de
skype.dfs.de
aip.dfs.de
fluglotsewerden.dfs.de
aip.dfs.de
newsimweb.dfs.de
*.dfs.de
networkinglunch.dfs.de
aip.dfs.de
nfl.dfs.de
newcomerslunch.dfs.de

Certificate

The complete raw certificate details for *.dfs.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE3jCCA8agAwIBAgIQO/eqVKa1onT9Mx/KMXq1LTANBgkqhkiG9w0BAQsFADBE
MQswCQYDVQQGEwJVUzEWMBQGA1UEChMNR2VvVHJ1c3QgSW5jLjEdMBsGA1UEAxMU
R2VvVHJ1c3QgU1NMIENBIC0gRzMwHhcNMTUwNDA4MDAwMDAwWhcNMTgwNzA1MjM1
OTU5WjBsMQswCQYDVQQGEwJERTEPMA0GA1UECAwGSGVzc2VuMQ8wDQYDVQQHDAZM
YW5nZW4xKDAmBgNVBAoMH0RGUyBEZXV0c2NoZSBGbHVnc2ljaGVydW5nIEdtYkgx
ETAPBgNVBAMMCCouZGZzLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEA9FFze7nZrVTkfB/t0C71/Ocf6X/EKZazDDfAiWtEv5BXYI+WzMocr3f98o0s
TnMVXrg9CGVVKKEbdRFSrrYhTWk4eeHAiagINjAnw8hkPL123Utn678G6Pf+3miz
rzu/4ieOoEDdHj64+FqLb2hBYcYyoABQwMrmyoz5AEjU/8zpoST6t4UUs4ncS9cu
SUALAcovyePzyD2Vov7xBfeNe+wewWEGgWuAwsYWu5IR12EcOkXzo8XfHycvfJf9
my1CgYQvHL6lvyl/eE03j6FmSuJyDOPCkQD8Rm8cwjVkR8dZzwRSKXClsSQOO4Ve
11u/n/xr85Yo52QiMFZdOmiWawIDAQABo4IBojCCAZ4wGwYDVR0RBBQwEoIIKi5k
ZnMuZGWCBmRmcy5kZTAJBgNVHRMEAjAAMA4GA1UdDwEB/wQEAwIFoDArBgNVHR8E
JDAiMCCgHqAchhpodHRwOi8vZ24uc3ltY2IuY29tL2duLmNybDCBnQYDVR0gBIGV
MIGSMIGPBgZngQwBAgIwgYQwPwYIKwYBBQUHAgEWM2h0dHBzOi8vd3d3Lmdlb3Ry
dXN0LmNvbS9yZXNvdXJjZXMvcmVwb3NpdG9yeS9sZWdhbDBBBggrBgEFBQcCAjA1
DDNodHRwczovL3d3dy5nZW90cnVzdC5jb20vcmVzb3VyY2VzL3JlcG9zaXRvcnkv
bGVnYWwwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMB8GA1UdIwQYMBaA
FNJv95b0hT9yPDB9I9qFeJujfFp8MFcGCCsGAQUFBwEBBEswSTAfBggrBgEFBQcw
AYYTaHR0cDovL2duLnN5bWNkLmNvbTAmBggrBgEFBQcwAoYaaHR0cDovL2duLnN5
bWNiLmNvbS9nbi5jcnQwDQYJKoZIhvcNAQELBQADggEBADy2M4mnawiV0mhrTR3Y
0G9pvicvJhPmi/rhSmnesV+/++mF2N8GM51AyN2MQaUSKeBkVSM6JQKfyRv8twOK
4GzZJ3Q/d+a0Bn7Gggj2bkOgJ6CU9fFszINFeQdK/7rnyHNePTY2Z70lYT2hCTdH
0C50iL0v79VTSGCR6qaeOGHvMiSg2EH0zb/c91QeyetjeFhgBRz8mf1avT17cKdj
n1/osg2I6/lBOc6PZJBZEEzGsKZb8jrKiluA1b5Hw/JHFIxqiwnVpP1PKyEPvwJq
t5nqVhGg8A5lTfOnfeR6BiqkbGHoCGNb9azsXoO4sNhguKkw5HdxYVcHsaBamwLw
8kM=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9FFze7nZrVTkfB/t0C71
/Ocf6X/EKZazDDfAiWtEv5BXYI+WzMocr3f98o0sTnMVXrg9CGVVKKEbdRFSrrYh
TWk4eeHAiagINjAnw8hkPL123Utn678G6Pf+3mizrzu/4ieOoEDdHj64+FqLb2hB
YcYyoABQwMrmyoz5AEjU/8zpoST6t4UUs4ncS9cuSUALAcovyePzyD2Vov7xBfeN
e+wewWEGgWuAwsYWu5IR12EcOkXzo8XfHycvfJf9my1CgYQvHL6lvyl/eE03j6Fm
SuJyDOPCkQD8Rm8cwjVkR8dZzwRSKXClsSQOO4Ve11u/n/xr85Yo52QiMFZdOmiW
awIDAQAB
-----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 79710403791760505292879106230718215469
 . . . . . . . . [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 'GeoTrust Inc.'
 . . . . . . . . . . . . [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 'GeoTrust SSL CA - G3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-04-08 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-07-05 23:59:59 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DE'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Hessen'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'Langen'
 . . . . . . . . . . . . [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:12|false] UTF8String 'DFS Deutsche Flugsicherung GmbH'
 . . . . . . . . . . . . [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:12|false] UTF8String '*.dfs.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 30842311449383111618161469288879806798200886578941163133631631300655672602426729353958607856621359851694886279771033772526205555027964998013485149437222823158365581907047293811980311889096682443978860917770884713415653607290065145756488525876811986770229605429245903846454049044544021361184710436228652982672914689149773087803973686226372556737513621047666178131062002060938646506821809774278163521377491500871583188394026427371086516560676089144679119039924841014789317371217372970748201109686732467139696514046467075898427726052638830417791989218204804217958786259053636675848208752682838866015681698181312292623979
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.dfs.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dfs.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://gn.symcb.com/gn.crl'
 . . . . . . . . . . . . . . . . [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 (149 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization 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 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.geotrust.com/resources/repository/legal'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName d26ff796f4853f723c307d23da85789ba37c5a7c
 . . . . . . . . . . . . . . . . [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 (75 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://gn.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://gn.symcb.com/gn.crt'
 . . . . [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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