skybuffer.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c6:51:43:d6:d5:91:99:f0:aa:23:47:0d:63:65:c3:28:d9 was issued on by Let's Encrypt.

With 9 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=skybuffer.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c6:51:43:d6:d5:91:99:f0:aa:23:47:0d:63:65:c3:28:d9
Serial Number (int): 328820786154530970950352905796071027058905
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 59:5c:99:54:97:72:7f:b8:d4:a5:90:f0:3f:01:00:63:af:38:96:fd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): aa:b5:e6:f2:40:7b:f1:e5:b3:7b:43:83:01:34:a9:ac:c8:b1:5a:97
Fingerprint (sha256): 75:8a:32:4d:be:59:37:45:df:f2:dc:20:28:e4:03:48:73:01:b1:c8:2c:e6:2d:bb:51:56:d2:ba:0d:a1:7e:ea

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 skybuffer.pl

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for skybuffer.pl

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

coe.skybuffer.com
skybuffer.com
skybuffer.in
skybuffer.pl
team.skybuffer.com
travel.skybuffer.com
www.skybuffer.com
www.skybuffer.in
www.skybuffer.pl

Other certificates including the domain name skybuffer.pl

(limited to 100 certificates)
skybuffer.pl
skybuffer.pl
skybuffer.pl
skybuffer.pl
skybuffer.pl
skybuffer.pl
skybuffer.pl
skybuffer.pl

Certificate

The complete raw certificate details for skybuffer.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwe/50yE/0/chHit3M2aI
ftqVRBw+mV/1t47LcYYAMauo7ZlAzXfdogifp3foUhACk2jVjctIq2P3k+lR7aEq
GdJ/2y5NIAFF1oNBi6K4sA7LM1/lWhjp8BvYAXejscRIBtzL3CnHQDcnz6xkad1M
t8IJU9ga4YAs2MVR6PBOZjqMH3aI0mmRgU4a+juaFiaA951CmXJl08obY86HKsdO
bT8c/P4GR6h8QJ+QgN3ezxf90IutKnbxw695Yu2xid8pSO0Zdtx9PhPF7GEF5wes
DzNdSDqmA3EnBhmyHgPCIwDAaaTSCsv6Yv/TCD8uS7n4238OS5GB1JznW+CfUkO3
aQIDAQAB
-----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 328820786154530970950352905796071027058905
 . . . . . . . . [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 2020-12-01 08:35:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-03-01 08:35:44 +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 'skybuffer.pl'
 . . . . . . . . [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 24482329374272741042432414109400610169638449711386488783468549490344174403219699605160362726684824569795839884031989890917665154568983129649285571972000869446859457138400308877358209016260087879789308054344607741933599878119391612638810629026169541946718646844500836249251004110680754679456396081639030501726167434527816011361680880496749690449525935203575038633586697743817893325987424148956967991639057286904133628489782741848018106998880129085413264152225271753386269292481196734811421359434271467396747649439622826324485382992666354695556445508277689510885564632587555531089900476197807117893687189171054408087401
 . . . . . . . . . . . . . . . . . . . . [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)
							595c995497727fb8d4a590f03f010063af3896fd
 . . . . . . . . . . . . . . . . [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 (162 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coe.skybuffer.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skybuffer.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skybuffer.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skybuffer.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'team.skybuffer.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'travel.skybuffer.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.skybuffer.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.skybuffer.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.skybuffer.pl'
 . . . . . . . . . . . . . . . . [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)
							00f00076009420bc1e8ed58d6c88731f828b222c0dd1da4d5e6c4f943d61db4e2f584da2c2000001761da867c50000040300473045022100dd8b3dc0ea7e09f4dafb8e148b204126ad2b2f072b5487489a814554b2ee070e02203682d9a7fc4a2f45e738f748f6c8a93261a2c89b99517e53b1368d5bcd0ac48b007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e3000001761da867c9000004030047304502202b171d6b43023fc5445edd96f7788313af9c5f5cd9e90dc3cc3c426fa30552b80221009619853b94d55657821434750d56dfc76db6347ea97b084587290a64a3857da8
 . . . . [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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