potomacrunners.org

Issued by R3

About this certificate

This digital certificate with serial number 03:c6:a4:e1:ee:1b:d2:0b:04:75:65:99:65:b1:93:83:87:be was issued on by Let's Encrypt.

With 2 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:
  • 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=potomacrunners.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c6:a4:e1:ee:1b:d2:0b:04:75:65:99:65:b1:93:83:87:be
Serial Number (int): 328931932933146103473276766721057986152382
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ab:8a:54:4a:b6:d0:be:a1:7e:74:68:c5:37:8a:49:33:52:b0:51:1a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0c:8d:8f:ea:6a:54:c4:1c:d6:9f:b9:82:3a:d7:96:2f:aa:ce:07:e7
Fingerprint (sha256): 20:c0:55:73:41:d7:1f:4e:34:a7:b6:af:b3:75:b8:1f:7d:97:d2:2e:b0:e6:22:18:3f:8a:33:0e:8f:d7:51:8c

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

Revocation information

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

Check the revocation status for certificate potomacrunners.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for potomacrunners.org

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

potomacrunners.org
www.potomacrunners.org

Other certificates including the domain name potomacrunners.org

(limited to 100 certificates)
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org
potomacrunners.org

Certificate

The complete raw certificate details for potomacrunners.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2lr3ZBpEqiqbWcWRikwH
7RYQAtPabMuoflycD2ilp1XxLS3QS9f+P3rXgnRwqRkjEISU7ZuymvKOqB1hrf+2
6Gt324+KdWb1yX9A4rVGHAPS+1PpBETJgv0E+kbJMGesysCza/z1zVN47aFt+cEr
rll6dIEgnB1/p+Jeup8I1B0jPImIkeIeZ9HVs4pYxuwlb0C0R0Wo1kth+yygjzw7
BHjZWCr4eT8YW85UXtbeknx8yMXDkmZPNXBGgm1MjEX7qC9wiR/40aR+IxASrrtN
zrGTo65t87Zm2tQkLn84m9U0FjDiRET3CTshH4hS8KXfDZjqK8ulc+nI4pa0Su24
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 328931932933146103473276766721057986152382
 . . . . . . . . [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 2023-10-26 10:02:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-24 10:02:12 +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 'potomacrunners.org'
 . . . . . . . . [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 27564807672087191395821951453709898416961611411479142746030029843604340457045045926531331321495927850984241986318690479102083133452432520133267822551059908094968461096998127090118300977152334238392776620181596610361418845329813013432437848676497830986555351797773774819911211771913660146570963673137712080218852779973681285731624495255615935671646207056898537437484383438883941218457877934421390982825343237684921624664949754603126111644589351953728849380566452712796048578638054825976864331494108248760582874535437561677786855979714447110313974824104894970865837980263821665168508883499766331126440974411612453451881
 . . . . . . . . . . . . . . . . . . . . [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)
							ab8a544ab6d0bea17e7468c5378a493352b0511a
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'potomacrunners.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.potomacrunners.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b6ba629ff00000403004630440220677ca57b26bf418e50d77d09986e50db9b27c5e04e974f2f5375b6a34437b9c90220688ba47bc6a1e563ed70ef8d8479a2eaa11ea44178aa91bc46626d3e4a0f1d2f0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b6ba62a030000040300483046022100fc8184d0cd6de03eb49499ea538f0814d8a40647443d607fd47b9f6dc363dbf5022100f733aadc73b32edc380f429edae4b030f941fd372a3434b95ea9ec98c98dd28f
 . . . . [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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