erasmus.poland.travel

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6f:80:a1:53:67:40:30:87:f7:82:83:c3:37:9d:6b:27:f3 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=erasmus.poland.travel

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6f:80:a1:53:67:40:30:87:f7:82:83:c3:37:9d:6b:27:f3
Serial Number (int): 299279179358379966276497165741203676407795
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:1e:3d:09:2d:4f:84:eb:6b:33:56:ca:cf:07:a1:bf:e9:f4:e9:1c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6a:be:26:14:20:e1:03:e4:8a:16:ba:e4:ae:42:ed:f1:8c:c0:f9:02
Fingerprint (sha256): 2d:f8:ff:19:f0:49:77:09:6d:02:ad:bf:b5:bb:84:fb:54:19:a9:2d:ac:3a:02:13:e6:70:28:fd:0c:53:9e:8a

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 erasmus.poland.travel

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for erasmus.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

erasmus.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 erasmus.poland.travel in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuvzPCBh/x3iez5/kgMNx
Pyy4Rp9RB71XgF4p3FRqcIXATWEAcRH3O4ZHQqVFwIsT852UtaYcaoXCtjaMihhC
aYsmIsbZ2EmZkKCt8C5u1XXfugMoLiripUxKX7Od0WIoWtG4LmJCE1854vhRyI/E
qLcfdjMEHL+fwi1kQFJpiNwBHkSM70Gx/gDXyjSM6HF0NEHQ5ftdVJ2w8zo3OnXE
M01HuJTXaA0okBMMMiaKmlK/TWfWivgY4V4ySl5VNjgb3MBZVNOIojuoZmFuiJJ4
kzr9df+B3P5tq8FJAowRrMPY1eBWKIq0t5jrO4sYbDosSEcBnZU9jcPIp0MuCcuy
ywIDAQAB
-----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 299279179358379966276497165741203676407795
 . . . . . . . . [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 2019-05-27 13:17:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-25 13:17:02 +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 'erasmus.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 23604989348492151033551292517820581037431509028176273070485801487653476060236272150934836642284036600090529614935323742703121538548582594791492738949142527671767600924534134615286091233749288809102805817640313384549239503317796513448700341205085904621981861474392532501578788749616616969344437893199377246191090104568179074310800952527399097141432123162539246774495504617793385591741694646071468349834429511522776978654662286517903525536935775661521441880487927735191493016074176731178790813196425749245610515346699130220909898982434714885932254622658154531401482728038273216926447999680385077798661763497852966515403
 . . . . . . . . . . . . . . . . . . . . [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)
							d51e3d092d4f84eb6b3356cacf07a1bfe9f4e91c
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'erasmus.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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016af9a6d9b00000040300473045022100e10717eeedc65686bef81cf2f8d03a0c28bab3f41988c8f3ab27231f14a8cd7a02207adc99bca094132f2146c681808c8ab51ffaefe585ca2066c08d51489e90218200760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016af9a6d9cf0000040300473045022100c104b5efacec18aeb226bd82bd077cbcd27f07181cfe93bc68e729d3a84df01b02201a10a1aa09b51ef472ce3d6c8648571d24ff884e96614f0841a81c874c739848
 . . . . [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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