meet.web.rug.nl

Issued by R3

About this certificate

This digital certificate with serial number 04:80:0b:c8:b2:37:61:d0:a9:31:e1:dd:6c:bf:34:47:7b:8c 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=meet.web.rug.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:80:0b:c8:b2:37:61:d0:a9:31:e1:dd:6c:bf:34:47:7b:8c
Serial Number (int): 392020950274903181639740321431894863870860
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e0:b6:6a:f8:23:44:52:bf:2c:5a:01:ad:bd:47:6f:4d:75:b7:00:1c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a1:aa:51:10:f4:77:58:fd:29:6e:40:09:3f:7b:b7:d3:e5:56:01:20
Fingerprint (sha256): 06:0b:5a:98:db:8c:fc:4a:3c:69:cd:3a:13:88:7a:11:2f:7b:cb:28:da:a9:06:13:3c:05:fd:45:26:dd:04:ee

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

Revocation information

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

Check the revocation status for certificate meet.web.rug.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for meet.web.rug.nl

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

meet.web.rug.nl

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Certificate

The complete raw certificate details for meet.web.rug.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwH1MnUl8fRgK07sjI7uG
b0u3WKhnvLOxx3zZb4zVz8u6d9ngr17wKTxs9el3ccGWA06abafQyG0SKHHHV1uC
upV9IRjDaAjH+2bdISaVLwIqJfS6m+VbtPIR+6paKp0oXbxrqLnShE9UTdgeBnQD
BdhxUivqc6RJ3zapFUuJjHGxYUbWoWFtD0haJOKhIZ0sVU8SLGdrXNHRx+xB1CXq
VlgMmCyGJVKbgzqIUclcmyEv+LNMYto4MHw31CAvJ0ZQZVskynX7pKHmWdQIOQSs
L+xIgym7ivk6grmNOxB091QMCYAVrxtbQfl95LARzTUliphnmFaTvxVUF4UzjkLB
SQIDAQAB
-----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 392020950274903181639740321431894863870860
 . . . . . . . . [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 2021-04-16 10:51:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-07-15 10:51:06 +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 'meet.web.rug.nl'
 . . . . . . . . [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 24299541928837705740818414877507973911710752009762033344067888268356510795074932801391476567650006497226829405738371984375467435520056942851503209764280771300992180556441521376072098291182853245166246935188689379500965321963667670201923428234538098411937777930618090346804063337251093270695510700675014144284061792669515053813110574223001390060877483187753914647583789308787568062026751477548557313031544344586105960959899302441759114394134274262433206744146156602320204706436798563297008938296471335134625028889626271095629200566625875254509592319719589035666599570261024581223241542951056697560302189081018530709833
 . . . . . . . . . . . . . . . . . . . . [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)
							e0b66af8234452bf2c5a01adbd476f4d75b7001c
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'meet.web.rug.nl'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca00000178da85375b0000040300473045022100db099a407d64a4a8b044d52ed2a5a1cb4e67a8e9ab435b3f9832938ab907c20f022038cabc22d28bb4ed008669160d18b01cab32e2cb7c57b4f40701362230aa36fe007700f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e300000178da853754000004030048304602210095c20fde01fb76e19fcf261bb5cdc2367b079c1716b92c566d1101fc927685b0022100d00e6752f0b5799a8b985a5aa42b410912f0914147d7f40c8aa51f4f755d224e
 . . . . [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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