university.4dem.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8e:f9:92:fa:d6:49:4d:72:6b:38:d0:52:8f:8a:2b:a5:4f 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=university.4dem.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8e:f9:92:fa:d6:49:4d:72:6b:38:d0:52:8f:8a:2b:a5:4f
Serial Number (int): 309988694831925705613160623447541740709199
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6a:e8:f3:39:ff:7e:a3:58:76:02:54:e3:17:f2:03:1e:7c:7d:a2:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e9:1d:7a:d5:e0:94:39:07:ba:d7:bf:ee:65:8f:f1:e6:8b:81:c8:c7
Fingerprint (sha256): b4:e8:5f:3d:fa:de:cf:ce:1b:d5:cc:30:fe:b9:a6:14:4c:96:45:d1:ec:f3:59:d4:f7:42:93:6d:9e:fa:da:26

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 university.4dem.it

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for university.4dem.it

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

university.4dem.it

Other certificates including the domain name 4dem.it

(limited to 100 certificates)

Certificate

The complete raw certificate details for university.4dem.it in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGXTCCBUWgAwIBAgISA475kvrWSU1yazjQUo+KK6VPMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MzAxMjUyNTBaFw0x
OTA3MjkxMjUyNTBaMB0xGzAZBgNVBAMTEnVuaXZlcnNpdHkuNGRlbS5pdDCCAiIw
DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALGJvo02VpwVHU0Gu+lHO1ycGrba
BCSIgRg60WSXf8irQ8v/ioGxq3qhp2UWmxD/IUkIfVpguIW62E007l5KzqGe42Bw
QJvN+stWW1yoB5vE2bs62AfYq6LpkrACe27N3FiUahcqcbYQ9K4M6PaLeGupfp+w
sbD0RgzCZ7xZAUA8kmg34xVVxMqy2TEOrjl4BXWp7aqH6/eMJLLrBLY8omr/PR1s
qRZmCmn/kCCQ+axTVqjsT7J8nuaVSch2N+eoE6J9rSY3bBSqZNwxNoveFNeCiJfQ
xlGcXaX/ezKMMxoC9Rd5t9qbL94n7ipoMb2IA9mpuq0ltfzqM8FJnLnFF0/eih8N
ffZ4UR/JEjQNnXfIFlSF3maF5YJFMsMfBtJM1SC5N9EsOmhdf+kKDPvVgkKhN+iI
rAtmR/LIRglTYbYHx6uxsdu302Gp3mEmtrhQaoJi33YpTYDVB8xwHwuWEaHXEQ0r
UJo9xDBFJPhtpv+ETN33RZUjaQy4185o2XRuQV6E9Pwp5NzkFbX6eTfTafy2f7jP
uAxj1vYEDxKCn2IXh+T2Tvvywi3TGGDsj+LRchXorhiNtN7b4uChIpvDiaZHohi+
k4nA9b1HRt9yBgTFyV2syTDFZUOV9UuGErLNGrc9LJKnH+wwUJ4ujKfSbx2vo3Pe
3osMcgWrQ6Orh+vhAgMBAAGjggJoMIICZDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l
BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE
FGro8zn/fqNYdgJU4xfyAx58faIVMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF
Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au
aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu
aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIISdW5pdmVyc2l0eS40
ZGVtLml0MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI
KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHW
eQIEAgSB9gSB8wDxAHcAdH7agzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYA
AAFqboT/CwAABAMASDBGAiEAoeQL0S6qOO1VrbflKIf+aGqbEFz79orCok+m5o2l
nCkCIQDHd8GUsrMJbLJFwzXKFV/cztuosGBZwyr6ANKHLeiQzwB2ACk8UZZUyDll
uqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABam6E/1AAAAQDAEcwRQIgJ41o5e2H
6ysk1pzC1c9VuwB3snZhhh+xoOE86STpZVwCIQDGQlvVCQe1iJo+7rTWISkx1j+l
uE0NJiim1iULaT92uTANBgkqhkiG9w0BAQsFAAOCAQEAEG/JWe1FuoMU4FNR2ywH
5BJx0DbbH2ThrFVUIHmJpqED821QBDWhxMGDExy8xoFg+F/VgOm0dO5UMhfs4OK6
Uv6JA/BgwzIjSBPFkdDGO+HfAKDHHUfxpPjeFottcN1LFbvvFXgU0Fomhv9drFPy
nTv/6XuCizdf98UPOWRh+3LnUdUHBYaNZA6y2rWOLwlMqpQthRpw2r3zzQ4C5FbI
Naf8dvJ9vX0lBOTpGpo0+i+gQyUiRwsYbN8xJYq3IbsMV0wcQEJd7rV0+EPfZFfL
lS6XBZrpWPMVDveLgCOFs5FF5qB04I5N4Qr9SpgpKh/KA11mUBuFekZn+9SWQZPy
TA==
-----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 309988694831925705613160623447541740709199
 . . . . . . . . [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 2019-04-30 12:52:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-29 12:52:50 +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 'university.4dem.it'
 . . . . . . . . [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 724292108979695664642656218885950895845210812218762322259143081403720396738514751510147880207252701021572531886606876261660026249728918313632642429751065269438830551744215147367675544636688855471971733889887055711392325508107841732656040114674612258963822602667219553636326325904554121164786612500763166346687019092142370900337712579820407845069823795942358455769543806842378192421663414870160527403272268954955616369508520912196586326937328901215003662710899492312508699709381911998894542789031103813317748612480056470152548562869946170618808961956884913998402114058606267058048478865555715431011482298109241091668922534508549971803322773023996194557156632818162505315689067388701021331579790607733870160283644887750643161291506656682188231964148259022677416850358996549285809398031527619256785895967826111129883429532133985798004783782717176083105520727385807227634893629617567472676195248107475465764381360893631083824523790395203605682121149986869757677873015801888247975185446627507896335432765233018497668928619266469530308496775866060989317840635855135274780624911521317674193990760669448238571374709142386397070900348405801927326030812672590031939042072160533732204244829081049670060900586819248354742606290862303219374615521
 . . . . . . . . . . . . . . . . . . . . [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)
							6ae8f339ff7ea358760254e317f2031e7c7da215
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'university.4dem.it'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a6e84ff0b0000040300483046022100a1e40bd12eaa38ed55adb7e52887fe686a9b105cfbf68ac2a24fa6e68da59c29022100c777c194b2b3096cb245c335ca155fdccedba8b06059c32afa00d2872de890cf007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a6e84ff5000000403004730450220278d68e5ed87eb2b24d69cc2d5cf55bb0077b27661861fb1a0e13ce924e9655c022100c6425bd50907b5889a3eeeb4d6212931d63fa5b84d0d2628a6d6250b693f76b9
 . . . . [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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