poland.travel

Issued by R3

About this certificate

This digital certificate with serial number 04:7e:46:73:52:23:dd:a5:57:e5:01:0d:f2:e2:dc:c8:22:ed 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): 04:7e:46:73:52:23:dd:a5:57:e5:01:0d:f2:e2:dc:c8:22:ed
Serial Number (int): 391418366698922077861598590687645111165677
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:6b:40:00:80:e3:36:75:6f:3a:60:e6:45:47:19:fe:38:5d:ac:45
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c3:11:93:72:2b:6d:e6:de:16:09:2e:1d:4c:d8:53:ec:1a:0b:58:7b
Fingerprint (sha256): f5:fe:1a:01:10:87:ed:4a:71:02:ba:2c:6d:6b:8f:58:98:f6:c4:f7:d9:ae:6c:7b:81:2e:5a:d5:57:62:da:d5

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check 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

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

poland.travel
www.poland.travel

Other certificates including the domain name poland.travel

(limited to 100 certificates)
misc.poland.travel
poland.travel
info.poland.travel
getbetter.poland.travel
poland.travel
erasmus.poland.travel
poland.travel
poland.travel
erasmus.poland.travel
info.poland.travel
share.poland.travel
getbetter.poland.travel
revealpoland.poland.travel
getbetter.poland.travel
poland.travel
getbetter.poland.travel
pot.gov.pl
getbetter.poland.travel
erasmus.poland.travel
pot.gov.pl
erasmus.poland.travel
erasmus.poland.travel
info.poland.travel
poland.travel
info.poland.travel
info.poland.travel
poland.travel
poland.travel
erasmus.poland.travel
share.poland.travel
getbetter.poland.travel
pot.gov.pl
getbetter.poland.travel
share.poland.travel
info.poland.travel
share.poland.travel
pot.gov.pl
revealpoland.poland.travel
poland.travel
info.poland.travel
pot.gov.pl
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-----
MIIFMzCCBBugAwIBAgISBH5Gc1Ij3aVX5QEN8uLcyCLtMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzAxMjQwNjQyMDVaFw0yMzA0MjQwNjQyMDRaMBgxFjAUBgNVBAMT
DXBvbGFuZC50cmF2ZWwwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCg
ESIfRPRh4g/gSfdODngaMpCYTJ8aYdYEYaVhBDMg4whnFZ4eWSdpP0krOodfMJ59
LDLB1owD4o9nJavPAqaCb/sckbA0rcjSrp45LXbySMlcKhq6opFM+8rjQ5i4ahHK
ebqoZpZUbXd37z49wAC2sYzBgcU9bJCYq6gznUQIjT04BEsUAHsX+xeMhkK0UXwK
JUsTyDd2/AhNiq2BH2Uosgcw5UqlKEXH9DS2p/fPZcskTAnulnx4zUe6ORDB9MJ7
B80wYwSQLp315m8hDEFZgi0uiXcDVvhHd8/to+4oIn/evxZNfhLiCiMY7W7Skxt6
HRejFn4tdJgATYFhja4tAgMBAAGjggJbMIICVzAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFPNrQACA4zZ1bzpg5kVHGf44XaxFMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MCsGA1UdEQQkMCKCDXBvbGFuZC50cmF2ZWyCEXd3dy5wb2xhbmQudHJhdmVsMEwG
A1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEW
Gmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB
8gDwAHYAtz77JN+cTbp18jnFulj0bF38Qs96nzXEnh0JgSXttJkAAAGF4roaugAA
BAMARzBFAiA1pxdLqBweKrIp1zC50Wt99pNLxCrTt8dzDD6g1r8/cgIhAI4ed2PG
kQEV9e9MeXx8kKYgdo8N9GZ7ZAutEK9tjIz7AHYA6D7Q2j71BjUy51covIlryQPT
y9ERa+zraeF3fW0GvW4AAAGF4roavwAABAMARzBFAiEA7hg3yzRRmHOv+FN2X5Xe
sSR34JcGhG16XFR7EB0YCacCIEk4MrQCcgAurTNZXfv2FP+7r6nHmt0fZBov5B0z
d4L+MA0GCSqGSIb3DQEBCwUAA4IBAQCLKgtcJUfOW3L0wATAl7HMN5KMOX5GOnr/
0iA2MgEsopyzB257dfiNKVnFjeYC8WfPEaONeUzpnPZ8fYE4DIcW3uJTh/NlrfXR
CYCWOhkSFArgUpA79ruYnM8wpax+A72dmNvqf1XguseHe8rx6kVps/f7Kyoi24hc
XQgvuvgzAtwyUGlOHW19F3DE0KFb0d9E+q8S1nxPxDUx0UwWASOdJXDIFp4K/mfp
ra38OtjegF6N/yxu8SG5ngKEhbiG2oNfIjr15TyQXEUzc7Fo/1NgjueiFuqnMm2a
pXli1Eu9j0/K31aiNAilpYFZmUu4euDOfmNXGsNfP0NHgHC/Okg0
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoBEiH0T0YeIP4En3Tg54
GjKQmEyfGmHWBGGlYQQzIOMIZxWeHlknaT9JKzqHXzCefSwywdaMA+KPZyWrzwKm
gm/7HJGwNK3I0q6eOS128kjJXCoauqKRTPvK40OYuGoRynm6qGaWVG13d+8+PcAA
trGMwYHFPWyQmKuoM51ECI09OARLFAB7F/sXjIZCtFF8CiVLE8g3dvwITYqtgR9l
KLIHMOVKpShFx/Q0tqf3z2XLJEwJ7pZ8eM1HujkQwfTCewfNMGMEkC6d9eZvIQxB
WYItLol3A1b4R3fP7aPuKCJ/3r8WTX4S4gojGO1u0pMbeh0XoxZ+LXSYAE2BYY2u
LQIDAQAB
-----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 391418366698922077861598590687645111165677
 . . . . . . . . [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 2023-01-24 06:42:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-24 06:42:04 +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 1.2.840.113549.1.1.1 (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 20206577534576006034670617729429918067187085629539602133770500067097187693138958004513932552083320015733235979491063941087737425937116020417944747924663727398364924888555079913456376589736554738166864088032936638974991917396442052303961000825904801433384202370929092322239495838935603323717928284955468707941721592836623883206044117538189265758002167515646387819404460415649155056353661530696903736979507153808386649007980759687927062171023169675144681328462278640029491375422129254314516689260919551753434646450654012109732849377242909334301814526358985577045260361448328265302518212493709264799236935776545572498989
 . . . . . . . . . . . . . . . . . . . . [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)
							f36b400080e336756f3a60e6454719fe385dac45
 . . . . . . . . . . . . . . . . [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 (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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185e2ba1aba0000040300473045022035a7174ba81c1e2ab229d730b9d16b7df6934bc42ad3b7c7730c3ea0d6bf3f720221008e1e7763c6910115f5ef4c797c7c90a620768f0df4667b640bad10af6d8c8cfb007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000185e2ba1abf0000040300473045022100ee1837cb34519873aff853765f95deb12477e09706846d7a5c547b101d1809a70220493832b40272002ead33595dfbf614ffbbafa9c79add1f641a2fe41d337782fe
 . . . . [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)
		008b2a0b5c2547ce5b72f4c004c097b1cc37928c397e463a7affd2203632012ca29cb3076e7b75f88d2959c58de602f167cf11a38d794ce99cf67c7d81380c8716dee25387f365adf5d10980963a1912140ae052903bf6bb989ccf30a5ac7e03bd9d98dbea7f55e0bac7877bcaf1ea4569b3f7fb2b2a22db885c5d082fbaf83302dc3250694e1d6d7d1770c4d0a15bd1df44faaf12d67c4fc43531d14c1601239d2570c8169e0afe67e9adadfc3ad8de805e8dff2c6ef121b99e028485b886da835f223af5e53c905c453373b168ff53608ee7a216eaa7326d9aa57962d44bbd8f4fcadf56a23408a5a58159994bb87ae0ce7e63571ac35f3f43478070bf3a4834