postal.xetechs.com

Issued by R3

About this certificate

This digital certificate with serial number 03:f3:e6:cf:29:91:26:b3:1b:2a:ea:03:a5:12:19:1c:f0:c8 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=postal.xetechs.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f3:e6:cf:29:91:26:b3:1b:2a:ea:03:a5:12:19:1c:f0:c8
Serial Number (int): 344332271044627888192235968805760455733448
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d9:67:24:5b:10:b5:86:65:70:98:27:20:5a:c6:17:d3:a8:11:ce:c4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1d:a9:fa:db:75:ca:8a:9a:aa:08:a2:e0:53:19:be:6d:39:9b:74:81
Fingerprint (sha256): 61:b3:06:6f:eb:85:7c:e7:4e:02:10:09:7b:83:69:d4:58:01:b4:bf:56:4f:fc:81:b7:5f:31:6c:5f:f7:93:01

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

Revocation information

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

Check the revocation status for certificate postal.xetechs.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for postal.xetechs.com

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

postal.xetechs.com

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Certificate

The complete raw certificate details for postal.xetechs.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqQ6qbE2zzN35xxYN563+
syAfI6oUZn40aM6IbBw0FLUvbO4P48i6JfXx+XcQnAMhX9UJms+y6qvUzWdKyfwg
YIAJYrMZ/ODu+s8/FQVt6FM60St4L09/hxtMjwRPDZxhF0q06AcEVhMCDNS/8mY3
hMq+XMHRnjtamFjUpSYG6uJJtY+8AIR9R+TdkvKIlca85Tp8nppU9EaiWa1ySFpn
oREf+ZrS09nUCqiDslsC1wrhtJgXeaOji+/sq9NLCjPTBusUFph4rO/j2g6bH7IJ
08fW02H7TgIE40YY4myJKqaqnfhOa49BILn4pWlIbzKPXEdaRgUlgoqxqjb53iVX
/wIDAQAB
-----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 344332271044627888192235968805760455733448
 . . . . . . . . [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 2023-03-03 06:14:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-01 06:14:31 +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 'postal.xetechs.com'
 . . . . . . . . [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 21341505472908028580019689015870723001510481236217656885900441211840277765472458301372899193127071281198316082503526217164789828532516790664950355058304020415612317745090279241628010269071149884517313108799149321142966711026294835809659657525004351103784353317109526354717849748708903950353697970997018736162344784765845926735584382531119434876563438946650296392600631013366166576804092754939713676462457718602051808093117003956717189199108289402488454468477607490608251599316061853936807842071088177286809112701153289608064687902650897429755772612985519541477165298980205012095910709229729010502726540109954754631679
 . . . . . . . . . . . . . . . . . . . . [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)
							d967245b10b58665709827205ac617d3a811cec4
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'postal.xetechs.com'
 . . . . . . . . . . . . . . . . [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)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186a6528ad50000040300473045022040c7ed869c2f8e490a4fb11ff3c6fbba252ce73b5776d019e9775705737d461c022100ea5f9fd6c6abef229615c6ee2053ca47a9a387d2170a680a61d3cbce02140b90007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000186a6528af4000004030046304402204407577792e5464ff06c5ffaf676a6d7ab9fc8e5f800c09ec2239831fd5874a70220619c6456a306ddb538db2ff4a07c475cc9313bfbc5240a8bba87159f7f4e75c9
 . . . . [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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