mail.mokum.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:93:20:26:0d:38:cd:09:00:ec:6f:1b:ef:78:22:a2:58:3d 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.mokum.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:93:20:26:0d:38:cd:09:00:ec:6f:1b:ef:78:22:a2:58:3d
Serial Number (int): 311401098603975992960348280329618566830141
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bf:8c:ac:6a:18:7d:56:82:54:ad:97:ea:be:1f:41:99:1e:c4:55:35
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 14:ac:46:62:f5:4d:cf:7e:7c:8f:ac:a6:0a:4c:36:31:67:85:01:10
Fingerprint (sha256): c9:70:b7:40:e9:91:b7:76:e8:ff:f1:55:a3:e6:47:27:79:03:67:d3:0c:3b:9c:61:a3:09:c0:10:c1:b4:f8:4a

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.mokum.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.mokum.net

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.mokum.net

Other certificates including the domain name mokum.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.mokum.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGVDCCBTygAwIBAgISA5MgJg04zQkA7G8b73giolg9MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTUxMjE1MjlaFw0y
MDAxMTMxMjE1MjlaMBkxFzAVBgNVBAMTDm1haWwubW9rdW0ubmV0MIICIjANBgkq
hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzeq/cvqX3qkzQy9Ln2C9WYtxRe/qv0lf
FxWu672eGzYGbgYSpbWb0ayyuzs74yHkAo3eh1QRR7EHUKSrwskEc95uYcgeChbb
GZTGydt3CQBcKJKYmcpV4O6aMRUZBy3ntllxTstGuPhlltM6EZJxYG6cGpEHNdxm
ukrMGcXNiXKOj1QF6JsUtYGJoN2RSIJytps9wfgWJCt8KrWO33JAVu4fehYUkuEA
CDCBpJMEoODpMEN8aVbE9zACfHub2hirOrXAFUKWuoT/rPKfoSaaCrbo2KktKgBd
LqOvKxmSkuO5Qs17zV5vggqqH76KOCGy0zGTQR7HgnJokxEuHFhP96lpH8/2UNAO
wh6nYUAcYUhbUAGrSxpoYLpplvFYHFNILMLU4UWPAWjGraKvGs4W7qabnUiI84ag
LaW4ecSBnPLxZLAWBjkekQCeZzV9F7g+1GzABIUsjMWdPPAYCbigOidEFmPiREew
YUqO+9iNeyuIvkdIgVYjP7C0NrvaYce5pmBmWZlU0EfAv0XbDIBe1fAHaHan78Vf
Z9TJ4tVKCt7XtGQ7k+bMMUro2xgLyhbfJltkkUjKmXFAwKMOZgf+P0zSo9LLso8d
QxRkBXmg5FeC5O2GicPAyFICEvaIBW7RkfpskrFaY5YUO23xURiFZNk4dr7GJ6vL
hCRNpOrYInECAwEAAaOCAmMwggJfMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUv4ys
ahh9VoJUrZfqvh9BmR7EVTUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo
7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg5tYWlsLm1va3VtLm5ldDBM
BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB
FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE
gfIA8AB3APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAABbc+PKc8A
AAQDAEgwRgIhAPAxg1MEDw5RExfq8ECX/stnO5R2EXiQ0/YeRpLJPv5LAiEAksdi
b8TXg6oiN0w4Pip7yvIg6Dq2eIANo+36ZnC9z1gAdQCyHgXMi6LNiiBOh2b5K7mK
JSBna9r6cOeySVMt74uQXgAAAW3PjynGAAAEAwBGMEQCIHpUEi+xiP/6XQP6kQAo
bbXvycgPqoQwrHvsXsyQrwZiAiA1ELOTihSKUTWIcVv2ggaosJRDHwaCFHd5rymU
aXBnATANBgkqhkiG9w0BAQsFAAOCAQEAXemvTAgNDlDUBu+vmQOlam0VUn6S7lno
stQ/LLBXnxmbsgsXkDa8x/gNvsPTyTmny7DigT05qGfPWBGljAHgnJkZXW+rQqdt
pOmsm7eVWa8WKL3xUKVJN3lLrQZmIx32hCzhXDsQnuZFKSQzcUEqmBXwaEmgGgfg
Gog7wB8WnFentg2CuN7cUNz2fuYP271WokKLMDuJPxsR+zsBdmWlfJPkosJVaFM3
K1z+Ih/F3/j4IRR//J23kEH04B/2edskOYFMvGNCownP9KLh4R3vFe6S58cDYkFz
DUDMYVGn3ZWVdAhl2feHqnG+s5ltt/UGpxKE/cNDCXhHiAXaNDSrQQ==
-----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 311401098603975992960348280329618566830141
 . . . . . . . . [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 2019-10-15 12:15:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-13 12:15:29 +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.mokum.net'
 . . . . . . . . [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 840068001390776805379668635704376590612803074170264581017572944286548600383958362366107050040043328291354588822742540434793862930189149249579261618392602934803070921018708715270578595199863449115706971551463045788598743475306799230515612374187304486908678762263462920648094567415041152824569791494092790031925987550162030541453914946717531636547037802835414775870491304863673850197528507474938786320010340558915419187364333839248061760581746811659821662855247079510980371693605241631334301290743844698210531181288189021110304599351387470186309908747784011372367416480637120325410466323926059955127609845411764189010031348047456091654536360575396398493280556690620930131834944636140877683102173170974718594286104260473866033956349242037020335603207541004317666405986957818461036487485813556710718051765264653888564290168833539564531364915755207327819648489166484739919268521125077224837773757957996355463518974118381980238617690470898060985320385992635476446179520899072881330980970435281179918909876823989216681436963681368536677866156216357110036836331782420931311309980731983025120448344196559389718437101677376560549989001209540561889052322539359271349037281646908349215927462850748068550574640542845150919207153616654674215576177
 . . . . . . . . . . . . . . . . . . . . [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)
							bf8cac6a187d568254ad97eabe1f41991ec45535
 . . . . . . . . . . . . . . . . [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 'mail.mokum.net'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dcf8f29cf0000040300483046022100f0318353040f0e511317eaf04097fecb673b9476117890d3f61e4692c93efe4b02210092c7626fc4d783aa22374c383e2a7bcaf220e83ab678800da3edfa6670bdcf58007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dcf8f29c6000004030046304402207a54122fb188fffa5d03fa9100286db5efc9c80faa8430ac7bec5ecc90af066202203510b3938a148a513588715bf68206a8b094431f0682147779af299469706701
 . . . . [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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