mail.mfa.gr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ac:77:0b:56:53:a3:5f:f5:85:77:b1:21:21:59:27:8c:eb 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.mfa.gr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ac:77:0b:56:53:a3:5f:f5:85:77:b1:21:21:59:27:8c:eb
Serial Number (int): 320023661903359729994274766953251548400875
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f7:f2:e3:94:b5:71:82:da:75:39:2d:ec:8a:68:b7:c7:b6:46:b0:6f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6e:9d:59:7c:6a:62:96:51:2b:38:71:d0:eb:22:a8:5f:ec:48:4c:3f
Fingerprint (sha256): 2c:8b:19:b7:3b:de:76:d6:a1:39:2b:71:87:72:52:29:33:92:92:09:4c:59:52:ea:d5:fc:ca:5f:8b:d4:a7:53

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.mfa.gr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.mfa.gr

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.mfa.gr

Other certificates including the domain name mfa.gr

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.mfa.gr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGTTCCBTWgAwIBAgISA6x3C1ZTo1/1hXexISFZJ4zrMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MTAwNTI3MzlaFw0x
OTA3MDkwNTI3MzlaMBYxFDASBgNVBAMTC21haWwubWZhLmdyMIICIjANBgkqhkiG
9w0BAQEFAAOCAg8AMIICCgKCAgEAu21dJ5B54sEP6x/D4E0TiHoB0N6vRhapuQOY
3DV2oJMIc4/ljYXkD8pi07Knt+fa9b9zuGHnocQs6td/bZ8T+Rz3EuJQs25NuWO0
uSQV+hONCZQro4Wc6hhv4AJZr5AV2z1+UzpUeYaDPj1h54PULRHd5Y8cYaeK+4tn
WjFmsq3qgDOVYkc8AK9sC1qqwYh9MBEGwHIZd2Cgj+WJYtFhZG3l0IufRjshigQX
C3TjYIlMtNXB0V6Dm9veDp3ikEIqUmTD82dglB+qo4z1qX6gOTWXOxF6uox1yL7+
VF4Y5UbQQfKHkwyKRArnfD0x6JMeYHQEmTnwRU/drcubxNz2cmlBR3RQ1FmIV0he
brOzXBvVPH/nnRd/yQAvOcIufjtzffV9lF4vN2MO98f++z9lafyud1yhqB1b9VvN
39+MMc7Uy8eIkmxQ3NBQtRimZDTdqchBtjrzTpM+TcLIRP8WxHDIHui7ZOZfy3+z
o3RU6goRwwYA7/bPHJ4XUkAG4+WZu3iQIIqzHuaYbMSaE44H69xh5nUAx3JQWTry
QKCoNlRuKI9MORZDExVRl1KU75lFlPcnSX5ed7GbhL7ew1jvFoJp+stLKsGTCLEE
owtggMFv0FI5D9jtenS5gVtfgXojPcNc+44Kc6e0WNQnkSYVpQHY44sfShyLprcJ
rvCVPCsCAwEAAaOCAl8wggJbMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU9/LjlLVx
gtp1OS3simi3x7ZGsG8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggttYWlsLm1mYS5ncjBMBgNVHSAE
RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw
Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1
AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABagXuOhoAAAQDAEYw
RAIgEnuJnpNHXTjlvLiecWIgrbdeuWkH5eew48hrfX+1kywCIFAihGmZUE+ii2/q
ChNi/8ZXSsdpREuFMlZRzqhshki7AHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWm
OLHHaFRL2I0AAAFqBe48GAAABAMARzBFAiBSjmvI/zZUZUjaSq6E0mtHhn6qexKe
3wa96+nMv3egiQIhAJrX4DuzoT5ftUupP1uu6pLjzJmm4zF1XSyLjv6wSMLDMA0G
CSqGSIb3DQEBCwUAA4IBAQAxIyYVXrM3/pa2MqmklG0+TN6PT5+hvUMXhEWin9xf
aDSHAo0RNdkjRfmkqKaoxN6Hfx9LkmrXCbrtcSaAM1WAkA4NwoS1hyZjCzY13oFp
YFtkAZ3yz+RmJ1t7RZi3wqoFxcREy1i+PO+UFvQzno/2xm4QTO2Khck8qkco8Or4
Ig3nHOc82vJBieMUJpzFk5mtVJxcjym10KOf2KUeqjLIG00bY+zaownPYpuGe6Qs
rqXPdUlZ4Zc6clVJfB+nYnNoLYceUeFqGdgXqe1BlsKDO1tRbk3T2+2UCjc/ogyd
hjTVfGMQpKuHytEj3ITKBCEOupv/uQmD0RIHr5ejt1rI
-----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 320023661903359729994274766953251548400875
 . . . . . . . . [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 2019-04-10 05:27:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-09 05:27:39 +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.mfa.gr'
 . . . . . . . . [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 764636275581127508480961304497839895111445431507276308919584034346965460826999758057979818094008107084349827050003813390689522068175225318316430836837895871219483647115723656752304704920139996829587137811975020418131458910538912188156928616377960292647152907853510981423242466568006104603818344248804043539714579609200668270846774965543463673872311213555770261983980743034755576205117044173891445955079057336881167436855927000855542563800114195973908536118743808117538173357238746948617599789008245916347033807086645600801171226499917117051587457595122270132537972491480449227174149648927782711815163783933749098577727285797096352015213000257769067351130097139190931356574888093361277684482866423697078930353247049015300955396864741634809179015064245547634413719379367060291426642828467134652563714425512288389491152510098862647281008152535462688938930251507492165014640516446131905966994622721078050356082722559253097921190027398253588659870283507878384065287065452788815743014239328572837225272602218997928473336286278063040248725317301304399624273765942272096763975233795215001925813799657874187598735405601346437649502567843618292191998691680799306016294398062344956922083571052520734682480760689137196049627081742336731605449771
 . . . . . . . . . . . . . . . . . . . . [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)
							f7f2e394b57182da75392dec8a68b7c7b646b06f
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.mfa.gr'
 . . . . . . . . . . . . . . . . [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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a05ee3a1a00000403004630440220127b899e93475d38e5bcb89e716220adb75eb96907e5e7b0e3c86b7d7fb5932c02205022846999504fa28b6fea0a1362ffc6574ac769444b85325651cea86c8648bb00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016a05ee3c1800000403004730450220528e6bc8ff36546548da4aae84d26b47867eaa7b129edf06bdebe9ccbf77a0890221009ad7e03bb3a13e5fb54ba93f5baeea92e3cc99a6e331755d2c8b8efeb048c2c3
 . . . . [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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