www.radiofreebridgeport.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:90:46:78:71:a4:16:5a:14:f3:46:22:99:62:eb:36:5d:42 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=www.radiofreebridgeport.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:90:46:78:71:a4:16:5a:14:f3:46:22:99:62:eb:36:5d:42
Serial Number (int): 310431189972136468406469218548756331781442
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b4:f5:58:ef:4d:ce:31:98:f2:22:6c:a6:95:93:0d:26:89:ed:95:a8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): aa:f0:9d:5a:5e:94:ea:14:0e:bc:26:fe:b5:dc:22:21:4c:79:e5:2b
Fingerprint (sha256): 05:a8:b2:7f:6f:e1:ce:8f:1c:ba:c1:de:d2:df:6c:fb:01:ed:3b:b2:2a:91:79:93:62:e3:1a:96:18:4a:80:b3

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.radiofreebridgeport.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.radiofreebridgeport.com

Public Key Algorithm

RSA

Key Size

4096

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

www.radiofreebridgeport.com

Other certificates including the domain name radiofreebridgeport.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.radiofreebridgeport.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 310431189972136468406469218548756331781442
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-28 20:34:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-27 20:34:32 +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 'www.radiofreebridgeport.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 861028145843611487126125239815144360741060768509730850093338432157088548284659835343152696769270474381107975613398634498064304601321188707925869773866573445830112987800782915962955056503731349764744444097230888963617392140567485494669992906671488721013273184146449726731521996593158491010177519351679482285761765504508634192751075487135506921632641258601410905156804515577791751499375756349967709492942589840690004495056708859410955814030731874899750165133965614549759468465619951169644375471159192939336019230127101372305696288561021631601467231836188930223851197446475406935725154404573017756068418285041688127804421685614844683993513837252945710929768858366172170223086561758365044328064269949805645348014376872828298166815195111384899738898872971301907740031983941923804546187344831790054876500894860428764435862911289367709106963180649848879850954275350146228172130605746509986006026920230818245424922365450214071088030610881463968484294995913585396883386972689861529972380984338029109097430162025391235645966025182408931478220153697219345379889715872241435136824151985858731025411579679051940225224801249146867642181001502159579573141900582405864632305019124998640297226597618480372353911873312491452278151221656719639742483753
 . . . . . . . . . . . . . . . . . . . . [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)
							b4f558ef4dce3198f2226ca695930d2689ed95a8
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.radiofreebridgeport.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f4e6ea94f0000040300463044022018e90d0af1e70d97ef53e5d176135e7302cb3d91231db9bb364036da4a3ffdca02204cdcb7f0ef8b5c51a1e1ae425d72f4fc4231a53c9879a9f452850f1e858b03d900750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f4e6ea9760000040300463044022039e682b064faf7090108722f715e3a423889035d6a310245edad3f95ac07344f022026d07963feae6537a0e9e84acb969e90a8ffe85aa2b3aee6b9b84497a4ea8aca
 . . . . [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)
		0069482a1c8bfacfa595488ee36e08d2611ce79f656eb7caeda9154c9041691baa568f785402a11edfa3ada24d3581b1f040b8080b8a34a3440395a4c65c9d7f669e14137c3967febc759ed6204678b6b59c39643700deff9e99d722aac0b0715f415d73bbc83466a2ed6456bb60c2fc6a062c467cb5f984fbf631b38c4ff0726734370b3a4b92af896fa6fc016e49344283552593ae2b57a4c80b3bd0bfe578dbd3f58867d8bef662ab8b81c7f66fe7dbf2c0c31ca8155809a24b069461197404703fc06d52ef04ae82c77592ff3a49b6f046291bb92b32916839d134ed9582af9519689069067b2b13dd520253ed49ae31fb21635e06290ba8b0ff0701727b4a