rt-forum.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:58:d5:a6:6a:29:01:15:81:6b:07:c8:40:a4:4c:82:6d:92 was issued on by Let's Encrypt.

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)

Certificate Subject

CN=rt-forum.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:58:d5:a6:6a:29:01:15:81:6b:07:c8:40:a4:4c:82:6d:92
Serial Number (int): 291565695721888136720737085635148449475986
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7d:22:32:b3:55:87:76:05:b1:2f:da:5a:b9:24:0d:36:9d:6d:f9:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9b:40:84:a8:e1:ff:d2:67:7b:79:c6:fd:04:5a:0d:8c:1f:0b:b9:37
Fingerprint (sha256): 25:40:40:24:c9:ba:2c:d3:73:69:5a:2f:ea:54:35:51:fa:ae:90:ca:32:50:b2:ab:30:fb:ef:83:86:87:90:4b

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 rt-forum.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rt-forum.de

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

rt-forum.de
www.rt-forum.de

Other certificates including the domain name rt-forum.de

(limited to 100 certificates)
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de
rt-forum.de

Certificate

The complete raw certificate details for rt-forum.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGCzCCBPOgAwIBAgISA1jVpmopARWBawfIQKRMgm2SMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA5MTQwNjEzMDBaFw0x
NjEyMTMwNjEzMDBaMBYxFDASBgNVBAMTC3J0LWZvcnVtLmRlMIICIjANBgkqhkiG
9w0BAQEFAAOCAg8AMIICCgKCAgEA4VXkBQ2Jg4SXidm9AbKHWRw9yszwh4txelrT
48+PQ7kDm3Cko1TqydujdXZMFBe/99KG7iYJkju7JgT8F4jThwBrS7QWBVj1FhOQ
d6l+3HTCBW9zTGmQCT1+dSlkCLh4DvX2Q1jdH29FxccE5peYUrafH1p4cS5vRV+q
gZAYYP1KwBVQx4wXgrLMGkAjg//YY51Xx0vTWgnm6XAsyojnx3iPJTpfinDXusN6
FOYTMTHqoL+BgN6zaEzhLDSxu4+RNF8N+Ayd59bNsVkB4NvrhEWF//EZzxazkxze
81BzALFjvbVvlwrJhOLZl+RyV0gwXMS5vtucZY+KNL5bC/K1+DLKKN0nH5usjvgh
rDpam/lNKnUFWlbqq3NpQdT9TwJA/zLnxHf9PnD/M1NwKqrWfdbb7p9+IECSZuXe
fZtWyVbXz41r1IysMan1XvT6d/C/oATKav/zO41CCNeAE0P9zDij6k7wjObqz9h7
JT97Bi8kqmncVy4njoMwAuKXd2AiejTSyj8WXowujfr5Ffh7WLNLk0o3vPbNQhh+
Je/kDzWV0fB9oenjE7d4IROcIEGOYqRu+nsNdgfRlVl4cF7YSJmaUAAJh2sKtchH
KqHF16tuYaaV/1RFXvZdgjN8SykCVygWz/x2i5q17XQsUBg+EdVgGvJCLt9VF/vB
FENdSOECAwEAAaOCAh0wggIZMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUfSIys1WH
dgWxL9pauSQNNp1t+XUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
cAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZy8wJwYDVR0RBCAwHoILcnQtZm9ydW0uZGWCD3d3dy5y
dC1mb3J1bS5kZTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMB
AQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGr
BggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVs
aWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFu
Y2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8v
bGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQCc
P6f/Lw18glML5whxoV2k2hjdCEfgJvEGSOYBtdCczvnDdJpyOYww3XIjXuN2TiUy
vHemUMeha+JhowpnFfs5i45qfsLhN8p2B8HndNBRaPqxdWCH2imXGNAr/lkwETz7
FfrWE27drxPpuMkhA9rI5BaxQh9qsF9qJDzqcP+Aho41IB/rDrbQ81GLYj4U8chr
Pi9RDyrZbQ+PDN5c+j5VuQiC3edFHCy4SDahtxenBHIGYRd5b10PatZsUac1nyEP
1F1bEADTaDwkysZpUjuJdGz0vXsoM5GHaOEn18uoj6f+LjWoIbZGyxonE4Xaq7R2
XlTUAEsEaLev+VRbfGl4
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 291565695721888136720737085635148449475986
 . . . . . . . . [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 2016-09-14 06:13:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-13 06:13:00 +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 'rt-forum.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 919288678950324300214748871415289526889552299522261254548402197105201547719974752055206921808560638552575980410144122943534135181325392286002340530832796755411302423068923019550691621588543084756395743126236383833444850176532728569043075882490702299896205227433756997406121108820118351176226354213445449733806585979836080405574666676410104017515474781352246903199795985599023573507919528528583749282718620770841925237617824639868494233972759971935979182150144818252979260076890254482881424877536435022401983850468583018975751863198766391707863555568916676839258126358852142270175035199351717008351891835957491821613318357493701865298593269816640129020197326882681826887746222163584280792324838599458713673906508538749896706436594595776649515717117549367960604579657211903176291270271040653842290474675029502599163125867742377339377172916066793054565738848431453752670413539385583226258568805937680797762660729846214074780748461118802809987779772027347353906322602334494821398839151165553937116793173488388105024867598418268123798204254202985915879159866208538823455664311914999037439279961496686250577670753579441257269055803101391274839334360843141521372199329844392789763878843244001771924229688425586702001876407695185043028527329
 . . . . . . . . . . . . . . . . . . . . [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)
							7d2232b355877605b12fda5ab9240d369d6df975
 . . . . . . . . . . . . . . . . [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-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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rt-forum.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rt-forum.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 (246 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 1.3.6.1.5.5.7.2.2 (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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