great-circle.com

Issued by R3

About this certificate

This digital certificate with serial number 04:d6:e6:69:9b:93:e5:ec:09:6c:45:24:a9:d9:37:f3:d0:c5 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=great-circle.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d6:e6:69:9b:93:e5:ec:09:6c:45:24:a9:d9:37:f3:d0:c5
Serial Number (int): 421575841033813680449173454737431837528261
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 78:84:90:05:56:4d:32:5c:bd:89:8b:90:a2:7a:d5:ce:ec:cb:53:af
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e9:af:99:22:57:74:ba:67:ce:e4:4a:8c:8a:86:f0:1c:b3:19:4f:0c
Fingerprint (sha256): 13:5a:d9:b4:68:ce:3d:2c:58:df:11:f4:19:30:49:1a:8e:b2:5a:8e:a1:6d:81:8f:ae:a9:57:cd:1f:42:d5:83

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

Revocation information

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

Check the revocation status for certificate great-circle.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for great-circle.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

great-circle.com

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Certificate

The complete raw certificate details for great-circle.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 421575841033813680449173454737431837528261
 . . . . . . . . [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 2024-01-18 23:13:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-17 23:13:00 +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 'great-circle.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 732246427230580211293542811826794106955096189190068257664358394897186890698471140383717911022882446222939190472541799848697552490633332073278894878576804436517285269012917829417015944589614029631169100871044206578204045487701262330406637677614648002665060494942037624545075753538339970585036445049072196118895711401611009456725162364212734870310497620451892421249981608410971557903668941783479523549132683031936826102120909993177686513645603819277996820813083691529611089324605902059073314857610031918466306116023046507254914883889096949138840385608337022136138538396748175202872792766469132945216960777655576169555627276914836227457372870644811610738211492934442777160532563577085996307411495036065878719987044351119304102612760425610647495970372475104967622760743648100727223158088025561853038536448428489627064633591169676099281911520894937324037260355592536281707406940610249680337149599013898498912135514539165723774186742233355113428351974418669934661460273841180817162366636449076573118404450574045712231940090979634221938992528791366361880738798784072199580460204898371582295672485546070711055080888890716275170653818418543281307896382200496206698675663441857987781477782255918963492477424171062489099025711173367748246935753
 . . . . . . . . . . . . . . . . . . . . [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)
							78849005564d325cbd898b90a27ad5ceeccb53af
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'great-circle.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d1f105b91000004030047304502210089df064e027b036e5e2f3f914357747036e4061f2d581c346bd5117b805f79430220592a487a41f809c4e429c1116fc8a5c67ae4e202d4c78fa18946a51c5fc420de00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d1f105b930000040300473045022100a8a4a27d2cb8eeae25efe2f00e4dd6cc61d0d56d63d7b7fdb315ee3ab66691f1022027437148c0cf50a0aecb0fc3547413dcf9125a9efad4f6f5457924da902bb918
 . . . . [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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