poland.travel
Issued by R3
About this certificate
This digital certificate with serial number 03:eb:af:73:ee:52:d5:53:4f:9b:8e:eb:d0:9b:01:a0:c9:13 was issued on by Let's Encrypt.
With 2 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=poland.travel
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:eb:af:73:ee:52:d5:53:4f:9b:8e:eb:d0:9b:01:a0:c9:13Serial Number (int): 341536430868878586655838885625130756655379
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7d:35:8b:da:49:c7:da:6a:a0:99:00:02:07:c4:61:16:41:18:6c:54
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 8a:1f:a2:ff:ce:8d:e5:f0:34:a3:a1:68:45:21:da:30:f9:d9:87:95
Fingerprint (sha256): 03:d1:a2:20:f5:79:80:65:7f:57:7f:fb:8c:12:71:63:2d:d3:a3:2a:1b:87:07:b6:6c:a6:d8:97:b4:da:39:e4
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate poland.travel
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for poland.travel
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
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
poland.travel
www.poland.travel
www.poland.travel
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share.poland.travel
getbetter.poland.travel
revealpoland.poland.travel
getbetter.poland.travel
poland.travel
getbetter.poland.travel
pot.gov.pl
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erasmus.poland.travel
erasmus.poland.travel
info.poland.travel
poland.travel
info.poland.travel
info.poland.travel
poland.travel
poland.travel
erasmus.poland.travel
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getbetter.poland.travel
pot.gov.pl
getbetter.poland.travel
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info.poland.travel
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revealpoland.poland.travel
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erasmus.poland.travel
poland.travel
info.poland.travel
pot.gov.pl
info.poland.travel
Certificate
The complete raw certificate details for poland.travel in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIELzCCAxegAwIBAgISA+uvc+5S1VNPm47r0JsBoMkTMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA4MjIwOTA2NTFaFw0yMzExMjAwOTA2NTBaMBgxFjAUBgNVBAMT DXBvbGFuZC50cmF2ZWwwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAARZM8U8C1Bt 8V86Rsh74cCD077CfUrhyaZCVuRc0tvRq0e/kvjuJsr2GvwABbHXqFdWwpyxW3XH XhhB3XgQ/Sddo4ICIjCCAh4wDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsG AQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR9NYvaScfa aqCZAAIHxGEWQRhsVDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBV BggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9y ZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzArBgNVHREEJDAi gg1wb2xhbmQudHJhdmVsghF3d3cucG9sYW5kLnRyYXZlbDATBgNVHSAEDDAKMAgG BmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AHoyjFTYty22IOo44FIe 6YQWcDIThU070ivBOlejUutSAAABihy2HegAAAQDAEcwRQIgYzhn6LNkiCtCKZxt e84hRXwaelKb+JH6Wbey1YetzsMCIQDhr2hh/3qm0rZAkkzCW48pQdbokurwW0n2 QJIGxE+FxQB2AK33vvp8/xDIi509nB4+GGq0Zyldz7EMJMqFhjTr3IKKAAABihy2 HhAAAAQDAEcwRQIhANkD6oNOvPXn7egWinicB7GAbOJ+1NqZmF1Zhfxm2JzkAiAv UiJUr4brxuoi/aypL5dnxHrs4J+0JvimBbe+P8+7IDANBgkqhkiG9w0BAQsFAAOC AQEAaorPBEn5Qt38ybsga8q6rcXu+5SbkyBQLJLWQpJYLncmxhod5RVdL8l7hA50 iCjYHEFSSsE92BUXaXG7gDQLmutyYoxPdTtzIvQ2AoKpyGQnhDkkyAwvMl/dtP27 ojy1lTcLUE94AcO/hKwVnjnHx95Uy9+tLJqvmJbW0A1u7UlcsEbsMmxMRZ/1POZ+ z5DNnDvI6UGh+5aaf34wooetk6uDUs3K4J8QFMC3mAKCLHe3KBF+towFOaH/nkT2 qVfiyhr8oV6J+wqvlvtHfbV5O1Wz2cVroayOs3OowTEeDMEpxtfqpxhqkcvONYi3 3KJ22+n5GdpSu75dg680mJiiig== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEWTPFPAtQbfFfOkbIe+HAg9O+wn1K 4cmmQlbkXNLb0atHv5L47ibK9hr8AAWx16hXVsKcsVt1x14YQd14EP0nXQ== -----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 341536430868878586655838885625130756655379 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-22 09:06:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-20 09:06:50 +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 'poland.travel' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 00045933c53c0b506df15f3a46c87be1c083d3bec27d4ae1c9a64256e45cd2dbd1ab47bf92f8ee26caf61afc0005b1d7a85756c29cb15b75c75e1841dd7810fd275d . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) 7d358bda49c7da6aa099000207c4611641186c54 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'poland.travel' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.poland.travel' . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a1cb61de800000403004730450220633867e8b364882b42299c6d7bce21457c1a7a529bf891fa59b7b2d587adcec3022100e1af6861ff7aa6d2b640924cc25b8f2941d6e892eaf05b49f6409206c44f85c5007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a1cb61e100000040300473045022100d903ea834ebcf5e7ede8168a789c07b1806ce27ed4da99985d5985fc66d89ce402202f522254af86ebc6ea22fdaca92f9767c47aece09fb426f8a605b7be3fcfbb20 . . . . [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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