poland.travel

Issued by R3

About this certificate

This digital certificate with serial number 04:8f:d7:68:aa:a1:de:b2:a7:23:8d:3d:b8:df:6f:ba:1e:95 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): 04:8f:d7:68:aa:a1:de:b2:a7:23:8d:3d:b8:df:6f:ba:1e:95
Serial Number (int): 397395849675536519832353629171108613332629
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:09:8e:71:69:c8:c0:a7:b2:6e:ef:c6:05:36:b7:28:bd:8a:ff:f2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:13:28:88:74:de:fd:ba:1a:7a:bc:12:31:e7:0d:97:68:39:18:fa
Fingerprint (sha256): 63:fa:1b:f7:a5:b1:a1:44:fd:9c:43:87:bd:95:c6:1b:7d:4a:0f:0f:06:ae:26:d4:8f:84:b8:3d:cd:44:5a:64

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqq+mSz/igjKAYROEBeG
Q8k3VmkPGUMFfETvy7FclJVmNbsETNdYYHGY+ov3bshQnRsN5iCmOPbGgBpGlDlp
qBXcTTyAt2gMjlNRjVQoZlYO1m7z89ymFg5qouMfH6ancEvqlcPNCIKsaICijefj
yQ6blZnn5S21329k/5Qz5O4lxicCAOQQOh3DyhWrp1NzaguduClIM19KhgnjB5MC
tKfXCycpjJGxPPF2tC4KNsjkc/BBA2jP+0pMlQtqr0TZROC+hwKK9M0UlfA90Cn0
CUFPRTp5rL7GeuKU3JAa4s++QTIujqzWwB9wNMGhI9PuviJnWkGn/doc7aj09LdH
KQIDAQAB
-----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 397395849675536519832353629171108613332629
 . . . . . . . . [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 2023-05-24 09:56:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-22 09:56:09 +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 21544709107472395480837152205991265181885061841538934098142496861841762386240093886377543498506120565138685433471049252519478992716022932804822706457918209236339901390866889989279172106788908545972656707205934821087796194885040435072058725264471065362273553238279690989295409944022129065102554812528862759250978177645000454550528353610801759828817350638830103223875497682684428876359977200411100279699001614791085212678752358173672313648073032419718620275987278608411519695307018729994737865144703463397552565447173363765809286112943798401632266741485766825638223814684044320240737138987805713116260686373304963385129
 . . . . . . . . . . . . . . . . . . . . [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)
							ff098e7169c8c0a7b26eefc60536b728bd8afff2
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001884d66ea9e0000040300483046022100a6d6bf1d40defa731143df8396dc791ee636d685f8c5b0aa86d1b1634417ce44022100b6af8661dbedd43dbebc570af3d0f643ece6fc78371ed88f0f76c3dd77f1f7be0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001884d66eaaa0000040300483046022100aef3980732a4cdead951b4581760adc2d50b7cc2e5fa46bbdea3d7978df73994022100918704100a6d62def3aac4ec7f7c8d0b178c01763560b6f63aef14a459e5b163
 . . . . [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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