www.citrs.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:03:37:60:95:4c:20:c9:79:aa:ac:a9:c5:7a:61:fe:9d:78 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=www.citrs.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:03:37:60:95:4c:20:c9:79:aa:ac:a9:c5:7a:61:fe:9d:78
Serial Number (int): 262431313924420663430865611666102108986744
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: db:ba:ff:18:c1:27:e9:c4:75:7f:67:eb:69:21:ed:1b:ce:71:9f:b4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6f:6b:78:55:5b:fe:66:c6:46:f9:54:88:51:29:a2:85:c2:8d:a7:40
Fingerprint (sha256): 94:28:e5:44:4e:fb:dd:34:e8:fb:61:93:57:a2:2c:f0:ea:45:f2:e5:5a:45:8e:ec:ab:55:13:9d:95:39:00:fc

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 www.citrs.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.citrs.com

Public Key Algorithm

RSA

Key Size

4096

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

www.citrs.com

Other certificates including the domain name citrs.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.citrs.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 262431313924420663430865611666102108986744
 . . . . . . . . [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 2020-02-16 09:18:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-16 09:18:42 +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 'www.citrs.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 806910313970976767149799445179084430958827536672333688321796841129255209429716464834707795465770228258182221247491051530378853708419523035946405562844198120579218975727663814308219057153760301707914246674294461385684528386413979962883718472367791468764659206796239586945408710109762960307379744003478376095274787965904081766616471947649874107091314216118677838066903111048989497393208310321144614807544271673949170067960311830386973237505661344966331931126531844107916551683419011641962198248844135662394992992369671295761289729436444483305798039145043295630084816479545761206311359731697283907128431209408589849396574953706504760840277371487265872120625452008649942284873417631989835480854977815528833736116801935118161192693838450893212342055227582829650094497171074303632651599678543093451410800475612733955030022630068061274578351131517423399751606061515267598719055053944364494856353528434575001171075168152463076811254567016010382370772921912379498321304859949096110455188896498503148493232679969398073038078198183637849462395889021807035075735018951572636525225090709348848119028928474574063124212124780721857087864166592158661997501317747366302805651446363784349095378981219204340267517693053293138233763514830533231722461797
 . . . . . . . . . . . . . . . . . . . . [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)
							dbbaff18c127e9c4757f67eb6921ed1bce719fb4
 . . . . . . . . . . . . . . . . [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 'www.citrs.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704d81e27e0000040300483046022100eebf745378fc29d3f5aa972544dad3e7c247f03d29cb2b6e07ed9af6444e7d5b0221008a1d9b5ed47f84de65e544be189d4bd9c011020b2fcdb040b8b5bb13a049c358007700e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001704d81e27f0000040300483046022100a8c95f7c6b475270aa4d93db31240d621d280975e19fbdcb9e2ecb5f28f82875022100f916bb061c08ec649cee8b9120fd634aaf83e265371c5adad48c718998f29778
 . . . . [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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