my.free-wifi.io

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5c:65:20:ed:71:63:75:fc:45:c5:dc:dd:5a:47:1a:71:a0 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=my.free-wifi.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5c:65:20:ed:71:63:75:fc:45:c5:dc:dd:5a:47:1a:71:a0
Serial Number (int): 292777258548995468277323965115414437589408
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 46:cc:cc:41:56:8c:8b:27:2f:ab:e3:83:01:f4:da:c6:92:dc:00:40
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1a:92:31:a5:2c:a2:f6:4c:9a:91:a0:bb:a1:c6:96:e8:d5:da:6a:84
Fingerprint (sha256): 00:0c:0f:46:99:64:bd:7d:81:3d:b3:ec:f8:d6:ab:20:31:92:14:46:60:3a:19:36:ae:17:ff:bc:0e:11:5a:5e

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 my.free-wifi.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for my.free-wifi.io

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

my.free-wifi.io

Other certificates including the domain name free-wifi.io

(limited to 100 certificates)
my.free-wifi.io

Certificate

The complete raw certificate details for my.free-wifi.io 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 292777258548995468277323965115414437589408
 . . . . . . . . [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 2016-04-05 13:57:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-04 13:57:00 +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 'my.free-wifi.io'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 719288719764368750505879519879319408353205695933861077291569431780560784202780809405945654124993338472722709568461022079560542517505120749958564153052776431281181677986812576042599471272650349081823427982914122922426457825422351531643063211796845891571736297394224617610095330637959442819913547968704265571304096298448465631204031385376632771109536989684278409378266561833385459639838653917763422530560297300038605396022286673109537638268212226411198748581999467766727682046056041029670805053488100950058722433589344150781120604509490713770551870457455970111426802963009890352681963653938521026452169060519809166878849642188876922052899194672068665248356460728340275615797569167624138741582269896103596498781705221293333854220892773764674620744120695581534229670189448810838475271880119861016563397507285953948692354773631480531538711719811105315984419492436725158749516242250852100198001760314361731208169780935699545093230781314338052947920576187793940897455123641181577433222177536613071621658908282779654974038240797654515587451683969368931395720995630577927586176766599935903977205653125389978195063213595756648497228939598169684164042637023192680608678452605513292258276327063774350603883848909758494630661024392791830665301427
 . . . . . . . . . . . . . . . . . . . . [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)
							46cccc41568c8b272fabe38301f4dac692dc0040
 . . . . . . . . . . . . . . . . [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 (100 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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'my.free-wifi.io'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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