lugo.ro
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:d8:71:a2:96:6c:ea:8b:98:dc:f5:8e:63:a2:ef:9e:0d:96 was issued on by Let's Encrypt.
With 7 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=lugo.ro
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:d8:71:a2:96:6c:ea:8b:98:dc:f5:8e:63:a2:ef:9e:0d:96Serial Number (int): 334988896016808896537828482364743870188950
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: f8:fa:ad:cc:5b:95:77:7f:f5:fc:74:ec:6d:15:44:f9:3e:92:59:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a1:e2:a8:89:fa:01:58:f7:fe:cd:d4:b6:6b:09:7b:7b:96:2c:09:09
Fingerprint (sha256): 9f:5b:f3:ff:8d:df:58:76:3c:3d:b5:19:93:d5:ed:fa:db:d4:a6:0b:de:81:5b:30:04:34:04:5d:fc:24:8f:e7
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate lugo.ro
7
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for lugo.ro
Public Key Algorithm
RSA
Key Size
2048
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
cpanel.lugo.ro
lugo.online-asig.ro
lugo.ro
mail.lugo.ro
webdisk.lugo.ro
webmail.lugo.ro
www.lugo.ro
lugo.online-asig.ro
lugo.ro
mail.lugo.ro
webdisk.lugo.ro
webmail.lugo.ro
www.lugo.ro
Other certificates including the domain name lugo.ro
(limited to 100 certificates)
lugo.ro
lugo.ro
lugo.ro
lugo.ro
online-asig.ro
ciorocity.ro
lugo.ro
braduceanu.online-asig.ro
lugo.ro
lugo.ro
creativeschool.ro
mydentitycolor.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
soldea.ro
lugo.ro
constantincaliman.ro
lugo.ro
online-asig.ro
lugo.ro
*.lugo.ro
alfaparf2.online-asig.ro
lugo.ro
romalarm.ro
bestcourier.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
mollymanners.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
online-asig.ro
ciorocity.ro
lugo.ro
braduceanu.online-asig.ro
lugo.ro
lugo.ro
creativeschool.ro
mydentitycolor.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
soldea.ro
lugo.ro
constantincaliman.ro
lugo.ro
online-asig.ro
lugo.ro
*.lugo.ro
alfaparf2.online-asig.ro
lugo.ro
romalarm.ro
bestcourier.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
lugo.ro
mollymanners.ro
lugo.ro
Certificate
The complete raw certificate details for lugo.ro in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFpzCCBI+gAwIBAgISA9hxopZs6ouY3PWOY6Lvng2WMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjkyMTIyMzRaFw0x OTA2MjcyMTIyMzRaMBIxEDAOBgNVBAMTB2x1Z28ucm8wggEiMA0GCSqGSIb3DQEB AQUAA4IBDwAwggEKAoIBAQDottyi8V6b0A0i03UEzwcQ8H4sGp0olXBp7vD9KTjZ XaPndEnZTjRa+MkARhatQPVlViCuVX8ezK9GXGXfQAUXG8uD1t6j0FEblVmIwi1B M9BiBR5TSDATY3PKMsRoWau6jKZLrOMomMC0GtVfqNFyVRVUl58qF0Jk3z1Wx9yM xtwCKNOKCT7K3hmVwvxdbph/2l00y2bOiPUe0IgBH+w+0jJ4xT06bP547dTqDjPE nbOJNHKpJlizTIsgMSVd8Hn1evTmTw4W4FQAuVYyA6B3pP5C8aJMTUbgLS+yxAkz I5UbzFuTRVna88nzQrGcKcTG7ZRDKSHwWaJZs7+qHSHjAgMBAAGjggK9MIICuTAO BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG A1UdEwEB/wQCMAAwHQYDVR0OBBYEFPj6rcxblXd/9fx07G0VRPk+klm/MB8GA1Ud IwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggr BgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggr BgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wdAYD VR0RBG0wa4IOY3BhbmVsLmx1Z28ucm+CE2x1Z28ub25saW5lLWFzaWcucm+CB2x1 Z28ucm+CDG1haWwubHVnby5yb4IPd2ViZGlzay5sdWdvLnJvgg93ZWJtYWlsLmx1 Z28ucm+CC3d3dy5sdWdvLnJvMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQB gt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3Jn MIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYA4mlLribo6UAJ6IYbtjuD1D7n/nSI +6SPKJMBnd3x2/4AAAFpy4ws+QAABAMARzBFAiEA6sKwav14kFnUfXwBBjpAy7nB YjTNhl0Wc/LfLmRsagUCIC//+LP0Vz+ek0zP1MBH5k4V4HvRo9EFOrMUTbMxyg5x AHUAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFpy4wtbgAABAMA RjBEAiAdF2POvR9goQ02VGh5chvdnNFlCwEN9yXt628FdGKp5AIgPHhP18dJSeBv PAnbvqt/sa2N1Pw/fHlepjQdJ77fO/swDQYJKoZIhvcNAQELBQADggEBAIuIdK+6 X/gxeF8amAJfbsjrdjxMJm9wcwbSb3iJEsJ02KDlTZg23cvG6gUwjuFdZCiYCqNs JxbMzazHmEalYeI0wDzTTxczA+VJLSsaO4iV4eqceU820RMmXCCmcYvwESqbUGfA JZLHvBqOxxDnoAw5aCp/KDpeAjy5Nrsx616p1pNgDB2XMUoX5G4P3rQnC4ZMU/fm ybNFRpSmdRyQPZzWL46D4hHqCM5+/ctGxjfX5yeZwnV1GVCX44V5Lm0zo7O4Rhd9 hQQPHuUIT/WC+D46KNpCUi1QiqUDyzodbQFMpxSG0WqvaKEzyU/44GKnpLKXTifF etfXBwk8W+IxJrg= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6LbcovFem9ANItN1BM8H EPB+LBqdKJVwae7w/Sk42V2j53RJ2U40WvjJAEYWrUD1ZVYgrlV/HsyvRlxl30AF FxvLg9beo9BRG5VZiMItQTPQYgUeU0gwE2NzyjLEaFmruoymS6zjKJjAtBrVX6jR clUVVJefKhdCZN89VsfcjMbcAijTigk+yt4ZlcL8XW6Yf9pdNMtmzoj1HtCIAR/s PtIyeMU9Omz+eO3U6g4zxJ2ziTRyqSZYs0yLIDElXfB59Xr05k8OFuBUALlWMgOg d6T+QvGiTE1G4C0vssQJMyOVG8xbk0VZ2vPJ80KxnCnExu2UQykh8FmiWbO/qh0h 4wIDAQAB -----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 334988896016808896537828482364743870188950 . . . . . . . . [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 2019-03-29 21:22:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-27 21:22:34 +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 'lugo.ro' . . . . . . . . [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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29377459296714606310992009040838540377974862097889196273159496813621203901088366863118648291508130328717394855024676884854738618771143567451857400921613858380835389774066531770473717250981307222578750302782226559614107263260901809144890840537374396123897760369804488650822895150513314107945127925845932813362491485787353805945388671618316987712579029099021497021562572847280146715277512406785104580663657663916302266960565919049747135377266945997284936323377307470505207852522238964304823069538236272691293586034185698624423375206559324198730128425967430633598025130079195910191055768703866370853242336215174035087843 . . . . . . . . . . . . . . . . . . . . [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) f8faadcc5b95777ff5fc74ec6d1544f93e9259bf . . . . . . . . . . . . . . . . [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 (109 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.lugo.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lugo.online-asig.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lugo.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.lugo.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.lugo.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.lugo.ro' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lugo.ro' . . . . . . . . . . . . . . . . [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) 00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169cb8c2cf90000040300473045022100eac2b06afd789059d47d7c01063a40cbb9c16234cd865d1673f2df2e646c6a0502202ffff8b3f4573f9e934ccfd4c047e64e15e07bd1a3d1053ab3144db331ca0e7100750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169cb8c2d6e000004030046304402201d1763cebd1f60a10d36546879721bdd9cd1650b010df725edeb6f057462a9e402203c784fd7c74949e06f3c09dbbeab7fb1ad8dd4fc3f7c795ea6341d27bedf3bfb . . . . [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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