mail.devshm.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ba:8a:e0:9b:b3:9c:6b:fb:31:49:91:28:6f:8c:54:ff:cd 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=mail.devshm.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ba:8a:e0:9b:b3:9c:6b:fb:31:49:91:28:6f:8c:54:ff:cd
Serial Number (int): 324813977738493664194789131155103051743181
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cf:9c:36:dc:81:b4:d7:9e:45:77:58:96:25:85:a2:2c:c9:c2:97:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 58:89:40:4d:2b:84:12:cc:bc:d4:71:56:72:36:98:8a:4c:7f:b3:22
Fingerprint (sha256): 73:ca:60:0a:a2:07:03:c9:be:97:67:56:fb:89:0b:63:a6:9d:57:1a:71:93:8f:13:05:82:c8:85:ec:c3:fb:32

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 mail.devshm.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.devshm.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

mail.devshm.de

Other certificates including the domain name devshm.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.devshm.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGADCCBOigAwIBAgISA7qK4JuznGv7MUmRKG+MVP/NMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA2MjQxNDMxMDBaFw0x
NjA5MjIxNDMxMDBaMBkxFzAVBgNVBAMTDm1haWwuZGV2c2htLmRlMIICIjANBgkq
hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA3p5p8iUoxiTiAUX3UndCfrS8mWE7ULjL
H9CngwqhQbMJjaSLprRCgTgwQQfSUGfDQ6BmhGu/Cm/MyA63MfKCblUJfnB8o9pk
7Sv04yKQ3iisHFRC+Ezt6ZIJ4T8eKtKD1r8BtTO7aoKPYTSwgjYzPFPeIW0oOB+6
npIVHDqaHJOCGKAGuX+eFGKhqPpayA4Ho0AttvVxs/Uk9kH9vLID/EmAumC2Yqq9
3uYxjnGtWyf87dzTz5YVvTkBCcqvXpN49fis8X7gWDp1XA5yTnwkJFIosUaKfwB5
3vHSe+Uc+REQ39f1x4yq1X8vnqoeyAMQVXFuSaYBk5vz/H9ySD+fTGFyDPdB15ra
Cbe/XOncrhofIs6DfF6oU7a3puzit+pg3m+rkzq8VdxcN07rTyp/LKOvo2etfRfb
QFeuFCXAtKor5KrlCzFnrJ2VziZVq/MgVHmYhuywtrumvr+P6jS5zWg2P45bmc3M
ABk9vYIkBF4gijky404bmsz0pRhJc8FlST0GLvpDOqIMpnAikDyafEMRRM1N+zFk
xy6prnK0fnNF+1SOgy53AkcyEVJk8Oc75aSiCJxByzu7J/OYlFExBNjBiDnVII64
nyqn9n7i8EWpgHLPub5xlcnbGMnagmmvVNgMbr8bwFYS/nvY8DjrAlAX+byShDrq
AAZfUnOizQkCAwEAAaOCAg8wggILMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUz5w2
3IG0155Fd1iWJYWiLMnCl8gwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo
7KEwcAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50
LXgzLmxldHNlbmNyeXB0Lm9yZy8wGQYDVR0RBBIwEIIObWFpbC5kZXZzaG0uZGUw
gf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsG
AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIw
gZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5
IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhl
IENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0
Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAfkjt5+/11N+RuVHM
b+rVF/8OYz6suVl9aWtDHnvDN3NjKQhCFmBG81DixhnigU8Gxtt4rNnr9+/JswPz
7p4IfaHOE2R9aEk4mPTjGwd6Yg94cUVPAq0KvqiAq298jcz9isrT9TGNJimUbfJR
/VN4xNIxlOEH4kwy+rdEZiT3wDjc+7qndero0LGe1EIQfnLjfgKtHXBvfQNeF485
QwuneFX1dzRBZClXAVb/KFfVoRL480MEFVjRYeW8v1PzT8/K4mgolpJQcOM4IA3R
QqlGUMaEywoI33bUK1qj651q9WxrDqpX+WvgogTNyopc+Nd7sDZERrWUjdReddfX
DReNyA==
-----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 324813977738493664194789131155103051743181
 . . . . . . . . [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 2016-06-24 14:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-09-22 14:31:00 +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 'mail.devshm.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 908205483600073504734017242735266572807492122222846872587575332348464417224667848398161881836200621839883855069581013642098338424006832493673391230314071397670339975576825424240775011199799249004965879522715846515203947848266129489344191060450015359797461989711624339585768538667091163754116157718218613201619493224613959245183407683846486075002601309857565105715998371522479111015077824992103166326442870541929508451172087728411241672023030291958193909512541438871610638505700675484840284566761486458775481528397721286884761658838386270568302191905058993160928724142297983348041230036657642465099692506069482992494627365187164369855207028526812300059562041565816667942925339975524694940445015735990299716709036932846638547900384420194368797125223536756291986898468357521070740551999447951680638032216852002737892769278141691683481400627069588446913030923874991481211795713093698061657395826857576656406497433708350347626034802451126025479409418282176002733230228433881905176031965813432513480482160390358185416211769667781491368158670389382560374252236708988905409514904908509983792903901373222250944474096812592468301228466975994173470751590607534181958732660223562055819634458529954055960122272238325231359391452762235364389866761
 . . . . . . . . . . . . . . . . . . . . [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)
							cf9c36dc81b4d79e457758962585a22cc9c297c8
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.devshm.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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