poczta.tuf.pl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:31:98:6d:8e:f4:90:0d:50:f5:e3:b7:89:3b:42:fa:31:77 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=poczta.tuf.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:31:98:6d:8e:f4:90:0d:50:f5:e3:b7:89:3b:42:fa:31:77
Serial Number (int): 278213305289602029470262749684712596975991
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8a:bb:8a:05:ec:a1:7a:a9:ba:4c:f8:a3:f4:36:65:8b:c4:e7:b3:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9a:cc:e8:f0:c2:32:d6:d8:c9:7c:2c:94:b2:0c:e3:d5:db:b8:76:ca
Fingerprint (sha256): 2a:aa:5c:3f:28:b5:0b:c3:07:2e:da:35:7f:1e:fc:a5:ca:95:d9:ad:ed:53:b5:c5:1a:c3:78:11:46:5d:02:15

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 poczta.tuf.pl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for poczta.tuf.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

poczta.tuf.pl

Other certificates including the domain name tuf.pl

(limited to 100 certificates)
tuf.pl
owncloud.tuf.pl
tuf.pl
tuf.pl
redmine.tuf.pl
redmine.tuf.pl
poczta.tuf.pl
tuf.pl
owncloud.tuf.pl
yt.tuf.pl
otf.tuf.pl
tuf.pl
redmine.tuf.pl
system.tuf.pl
poczta.tuf.pl
otf.tuf.pl
poczta.tuf.pl
otf.tuf.pl
tuf.pl
owncloud.tuf.pl
poczta.tuf.pl
*.tuf.pl
owncloud.tuf.pl
owncloud.tuf.pl
tuf.pl
test.tuf.pl
otf.tuf.pl
redmine.tuf.pl
otf.tuf.pl
system.tuf.pl
otf.tuf.pl
tuf.pl
system.tuf.pl
owncloud.tuf.pl
system.tuf.pl
tuf.pl
system.tuf.pl
owncloud.tuf.pl
tuf.pl
owncloud.tuf.pl
otf.tuf.pl
poczta.tuf.pl
tuf.pl
system.tuf.pl
otf.tuf.pl
tuf.pl
tuf.pl
tuf.pl
system.tuf.pl
tuf.pl
otf.tuf.pl
tuf.pl
owncloud.tuf.pl
poczta.tuf.pl
system.tuf.pl
tuf.pl
system.tuf.pl
otf.tuf.pl
tuf.pl
owncloud.tuf.pl
redmine.tuf.pl
redmine.tuf.pl
system.tuf.pl
system.tuf.pl
redmine.tuf.pl
poczta.tuf.pl
tuf.pl
redmine.tuf.pl
system.tuf.pl
tuf.pl
poczta.tuf.pl

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxKhR2RjKADz3oHFECGNu
cHZ3zAEX3kD4O0ybmVjWEUwhyR2XvABjL60iGaxHd6LvWrRdxtBs9RfupRpH4ybg
q4J0GTgkQpIb4Ex4L2DeGfQm2zJ2OIHCXf05iMr+nN7aEeL2nydod59mBaTflpUV
yPkLWSaaY34hVJDBjHFmw77YiYmUkU1F8jP6FefJs8poU8I2byxhFwvIR1RQtGwI
xwtlUAo4KQQU32OIgRl/30EimC+HS4aCrFDaB1yv782Zg3n5ZBZj2wyYA2GEvyZR
EFvaCP1dAPQS4RGXOtX2ihfm40lk6L26NqzKxr2O4vdI09KyHQA8uY6uweMYqTGr
LwIDAQAB
-----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 278213305289602029470262749684712596975991
 . . . . . . . . [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 2019-09-01 20:02:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-30 20:02:43 +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 'poczta.tuf.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 24825709320239587064127420868664081756090763051462662319266327244054789541074181073533981951372032656845191198863235079439792985526646715015912085531825367133261712954084567367854534917203045278778861276751191129503985934791892911114895423122783136595483904048866844800954070167270143202411021226227018759449696562900650308609748662011000645857287320675566593985329291132392308691637717894619520558352163545615175234373023474994944982074111810359308941689136613359767554694239720846733434676516920012722898316869760616731282066851154485796336043275632105868318446908069942936538168841120347594098402262897793787079471
 . . . . . . . . . . . . . . . . . . . . [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)
							8abb8a05eca17aa9ba4cf8a3f436658bc4e7b32b
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'poczta.tuf.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ceea3205a0000040300473045022100ff01e49544471acdb33c211cfc583d777ff850d427df40c2ae00012bdda1625002203cde5be58146002a8117f6af162398cc6d986ef86825b1b19fa1075e518cf4e800750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ceea3207c000004030046304402202ce930b2186e42b85281d2561e9876282fe9a0d866327904208ac926bbe5b12e0220510f6b9999a3c395f517da0872d20c1fbe3ef3684acde95d03b3c676d5a7fb5c
 . . . . [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)
		00763d4d2974341e4c0efc3bd64fea15a5774f0f5baca2b673e94d07aace8425f33311216a4b2bf35a4e4bb5169d3e13e6bd3022929acdd8fffedd1d09ff4fbaeb7c1da6887f345ec754b666c26ae59100c439433c035602baaf210622e7933eaf2107f00f5e0ccaee730400096a6bafd9ffcf37a356dee3db4988854dfa94d82e1cc11370fbc674e98dfd2b264574b56690dd84cfe600ea47eb4941f55520d4fb45613e16ea931f60a85d628506d551071ad8a59ca173f3c69951d24a4ec12de9576df09b022bfbece23deb799fbd6a544eae76a5609141c620294666bbc841776cb8c0251159410399583b5fa189e165f9c64e902f6448061ef81e09a7b51f24