link.techcrunch.com

Issued by R3

About this certificate

This digital certificate with serial number 03:51:2b:41:10:85:74:ae:b3:f8:61:b1:29:cf:27:08:f4:20 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): 03:51:2b:41:10:85:74:ae:b3:f8:61:b1:29:cf:27:08:f4:20
Serial Number (int): 288957224154083322363676964969579213812768
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:ae:fd:5b:9e:04:74:77:2f:22:fc:c4:47:f7:86:b7:44:7e:ae:af
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): da:a2:c3:fe:e4:a8:5e:df:19:41:fb:ee:2e:a7:ac:86:8e:ba:19:3e
Fingerprint (sha256): 03:66:c2:a3:2f:b9:8e:69:86:bd:fe:b4:13:b9:44:2d:a0:7e:75:16:91:d4:06:9c:9f:df:03:bf:86:b9:cb:91

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0fvvi7pdpMIR8KjOQKmb
DUF5jvIGUtixu7nqogvhxorzi2kasX3I3Pl38DOhEBjLLNND0Zkmtxff9opkYh+9
o6SuXlwiqxEo4OeY8FhknuYbzjGSIA1cTkur7LT+mPikq44fyvXcpUXTz7fg6mZ4
6LXpXjlKQctpjTpidO6qVo16yW2nQcbofAoCYbDUxVe2+lAVIKHRuJ7Mf2JpKI0/
y3+8kpcoYw6bZI8LpEcuyzwdLbCDS4Hsh0hDJXqpbbU44l1cJgcm1Rp3XnZrr9jX
XGWW1ohbszcqziMoEfY8rIz5RX0oMHne6QVhBfu7isqN/8XevteR83IJFDfEwluE
FwIDAQAB
-----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 288957224154083322363676964969579213812768
 . . . . . . . . [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 2022-12-27 13:50:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-03-27 13:50:40 +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 26508039874582682310164039700471051229281936094985195511842058946805375132547250404957941865144267606265694267778141675072470869126455286311876337487993035547032360475413689215707178401630489875994996566721963514180118029710831064035027868242090869870463812730088239450119206995533388043097756708467143357115472787419484704857653868793768641234376561116704007314083141766146710591390859339381110666135764851044695274963224363713536401193545417866344853837460322457931332284002185822850166703858182193068338668874015560742216790034262580382893868714801596637448553831286120847793535053300872535768199639066854406456343
 . . . . . . . . . . . . . . . . . . . . [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)
							1daefd5b9e0474772f22fcc447f786b7447eaeaf
 . . . . . . . . . . . . . . . . [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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