*.dev.buzzfeed.io

Issued by R3

About this certificate

This digital certificate with serial number 04:b6:71:40:4a:4b:aa:43:bf:91:31:e3:d9:a7:5d:fa:17:79 was issued on by Let's Encrypt.

With 5 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.dev.buzzfeed.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b6:71:40:4a:4b:aa:43:bf:91:31:e3:d9:a7:5d:fa:17:79
Serial Number (int): 410531071084067545872579483320770073597817
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ae:98:a1:fd:06:1d:a1:95:64:6b:86:8d:89:8f:41:72:2f:92:28:26
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a3:09:46:7e:d6:b1:3e:f2:0f:5a:aa:22:bf:ab:23:9a:2d:56:81:10
Fingerprint (sha256): 09:3a:69:ca:03:21:32:74:df:33:c1:08:c5:8a:91:a2:94:6d:f3:76:52:b6:62:78:7a:be:54:fb:66:e8:15:3c

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

Revocation information

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

Check the revocation status for certificate *.dev.buzzfeed.io

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.dev.buzzfeed.io

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

*.dev.buzzfeed.io
*.sso.dev.buzzfeed.io
dev.buzzfeed.io
local.mapi.huffpost.com
local.www.huffpost.com

Other certificates including the domain name buzzfeed.io

(limited to 100 certificates)
*.namespace--danmeruelo.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.buzzfeed.com
*.app-west.buzzfeed.io
*.dev.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo02.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.adminprod.buzzfeed.io
*.dev.buzzfeed.io
*.adminprod.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.prod.buzzfeed.io
*.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--willmccutchen.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.unstable.buzzfeed.io
*.stage.buzzfeed.io
*.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.stage.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.dev.buzzfeed.io
*.test.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.hackweek.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.stage.buzzfeed.io
*.stage.buzzfeed.io
*.stage.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.prod.buzzfeed.io
*.stage.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.app-west.buzzfeed.io
*.prod.buzzfeed.io
*.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.dev.buzzfeed.io
*.app-west.buzzfeed.io
*.dev.buzzfeed.io
*.prod.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--raymond.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.stage.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.unstable.buzzfeed.io
*.namespace--raymond.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--dan-meruelo.unstable.buzzfeed.io
*.namespace--raymond.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.test.buzzfeed.io
*.unstable.buzzfeed.io
*.rigplayground1.buzzfeed.io
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.stage.buzzfeed.io
*.stage.buzzfeed.io
*.dev.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.buzzfeed.com
*.app-west.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.namespace--danmeruelo.unstable.buzzfeed.io
*.prod.buzzfeed.io
*.adminprod.buzzfeed.io
*.hackweek.buzzfeed.io
*.prod.buzzfeed.io
*.namespace.unstable.buzzfeed.io

Certificate

The complete raw certificate details for *.dev.buzzfeed.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEfCAHfD6zzkUf+JXMggxg3YfljkvT
Xsu4dxZTG9AC3tajjBiWnYR2Y8xO5TDdJdEU/pUym3i2080Vwud5APCLVQ==
-----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 410531071084067545872579483320770073597817
 . . . . . . . . [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 2023-06-20 08:49:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-18 08:49:10 +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:12|false] UTF8String '*.dev.buzzfeed.io'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00047c20077c3eb3ce451ff895cc820c60dd87e58e4bd35ecbb87716531bd002ded6a38c18969d847663cc4ee530dd25d114fe95329b78b6d3cd15c2e77900f08b55
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							ae98a1fd061da195646b868d898f41722f922826
 . . . . . . . . . . . . . . . . [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 (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.dev.buzzfeed.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.sso.dev.buzzfeed.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.buzzfeed.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'local.mapi.huffpost.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'local.www.huffpost.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 1.3.6.1.4.1.11129.2.4.3 (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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