link.techcrunch.com

Issued by R3

About this certificate

This digital certificate with serial number 04:57:ef:bf:a5:12:2e:40:00:ae:ed:f8:e4:3d:36:4f:bf:21 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=link.techcrunch.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:57:ef:bf:a5:12:2e:40:00:ae:ed:f8:e4:3d:36:4f:bf:21
Serial Number (int): 378372390216893213166223744481667371220769
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dd:3e:3b:0a:b5:83:6b:d9:6d:56:c3:8c:2e:b7:7c:1a:66:db:a2:1e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:25:20:4e:06:11:81:70:2f:a8:9d:d8:ee:36:72:f5:e1:3a:1f:79
Fingerprint (sha256): 0c:db:14:72:c9:92:e0:c1:21:18:32:09:e2:98:4b:78:69:b2:60:9e:6f:00:91:49:3c:e9:7a:58:df:69:c9:da

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

Revocation information

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

Check the revocation status for certificate link.techcrunch.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for link.techcrunch.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

link.techcrunch.com

Other certificates including the domain name techcrunch.com

(limited to 100 certificates)
login.yahoo.com
*.stage.login.yahoo.com
link.techcrunch.com
ceros3.map.fastly.net
link.techcrunch.com
email.crunchmatch.techcrunch.com
jp.techcrunch.com
*.aol.com
email.crunchmatch.techcrunch.com
ryot.techcrunch.com
ceros3.map.fastly.net
matchmaking03.grip.events
n.main.welcomescreen.aol.com
matchmaking.grip.events
*.login.yahoo.com
eu.techcrunch.com
email.crunchmatch.techcrunch.com
link.techcrunch.com
social.techcrunch.com
mailing.techcrunch.com
fr.techcrunch.com
unitag.techcrunch.com
jp-preprod.techcrunch.com
jp.techcrunch.com
jp.techcrunch.com
future.techcrunch.com
techcrunch.com
stage.guce.oath.com
networking.techcrunch.com
*.aol.com
preprod.techcrunch.com
*.pinterestceros.com
dev.search.yahoo.com
ceros3.map.fastly.net
*.answers.search.yahoo.com
social.techcrunch.com
jp.techcrunch.com
stage.guce.oath.com
stage.guce.oath.com
jp.techcrunch.com
*.yahoo.com
jp-preprod.techcrunch.com
develop22.techcrunch.com
b.aol.com
stage.oidc.oath.com
beta.techcrunch.com
social.techcrunch.com
*.stage.login.yahoo.com
*.aol.com
www.techcrunch.com
jp.techcrunch.com
*.yahoo.com
*.yahoo.com
*.trunk.login.yahoo.com
social.techcrunch.com
prod22.techcrunch.com
matchmaking.grip.events
jp.techcrunch.com
matchmaking03.grip.events
*.search.yahoo.com
login.yahoo.com
ceros3.map.fastly.net
stage.oidc.oath.com
mailing.techcrunch.com
www.intheknow.com
trunk.guce.oath.com
trunk.guce.oath.com
link.techcrunch.com
matchmaking03.grip.events
*.stage.login.yahoo.com
oidc.oath.com
login.yahoo.com
ceros3.map.fastly.net
dev.search.yahoo.com
email.crunchmatch.techcrunch.com
matchmaking03.grip.events
ceros3.map.fastly.net
ceros3.map.fastly.net
link.techcrunch.com
*.pinterestceros.com
preprod.techcrunch.com
techcrunch.com
jp.techcrunch.com
trunk.login.yahoo.com
stage.guce.oath.com
email.crunchmatch.techcrunch.com
*.login.yahoo.com
login.yahoo.com
info.techcrunch.com
jp.techcrunch.com
*.login.yahoo.com
www.techcrunch.com
develop.techcrunch.com
preprod22.techcrunch.com
stage.guce.oath.com
www.intheknow.com
jp-preprod.techcrunch.com
*.aol.com
beta.techcrunch.com
*.search.yahoo.com

Certificate

The complete raw certificate details for link.techcrunch.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA34TEczTu3dQQ6hXguEhE
7ghqS1HncDvogeQJ0WOaK1El6s1YxqbR2t2XkPQcznUcnqkTyXyYbyzhsnRxq+s6
edcdHW1dfDlRO/BRyxbR3imMW7WdZtARHcBsnJWTxoiAM3YoskmWp4SQJKkbvkix
NeBWhZhSWpRPXad3EeaS3QgxGajCuyWu1CKlqKBOjyKJWh8YUY9h5G8RrHjfWvaJ
vfgs7YVzTxrOO1dCtU5hDeH3jY0bXA/2r+ZmswfkXQQKDweMvM9zeittls6XfQIf
16cWc//NuiKQuKduBriqZnFlLRoizzynbx9797+G0Y6Q/FUTrQG8cgNp4hhuYvNQ
AwIDAQAB
-----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 378372390216893213166223744481667371220769
 . . . . . . . . [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 2021-09-03 20:46:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-12-02 20:46:39 +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 'link.techcrunch.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 28216612044048534234136025473935395073222706791803105686602974335945703200910090843521941796692172981226733700387576811204226183590608827792565663720289728483382952077366704853710197049992549761120081823877725439710059077922846268400613581423805139597255903368874676569602162939059576962389957199842054112913137113663765385390881762206415999052270905667027105955925314800880604846432451011574403808582331518275486382012182733252452138707535996057881350817827157600548770984669389340401634531529782655266178714936758896717906946835450901683349244781547225977680816921682720171645153232343319020344564264781422506758147
 . . . . . . . . . . . . . . . . . . . . [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)
							dd3e3b0ab5836bd96d56c38c2eb77c1a66dba21e
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'link.techcrunch.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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