www.usim.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c3:e8:17:59:29:2b:ae:9e:77:37:f3:a3:d4:5f:48:fa:6a 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.usim.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c3:e8:17:59:29:2b:ae:9e:77:37:f3:a3:d4:5f:48:fa:6a
Serial Number (int): 328000421471109915443710421336664964659818
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9c:ef:0d:eb:1b:d0:12:e9:30:f7:4c:07:62:23:39:81:fe:20:28:d6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6c:97:5d:3e:49:b6:14:11:0f:7c:17:02:23:9f:5d:5f:21:f1:b5:1f
Fingerprint (sha256): 0e:22:a1:79:e3:47:b7:23:eb:e0:fc:60:b4:34:23:99:ef:07:a4:a8:1c:8d:2e:29:bd:f7:80:f1:12:b4:8c:66

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.usim.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.usim.co

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.usim.co

Other certificates including the domain name usim.co

(limited to 100 certificates)
www.usim.co
usim.co
ritz.bar
usim.co
www.usim.co
usim.co
www.tobyo.com
www.usim.co
www.usim.co
www.sanmartinoinrio.net

Certificate

The complete raw certificate details for www.usim.co 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 328000421471109915443710421336664964659818
 . . . . . . . . [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 2019-05-17 07:42:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-15 07:42:47 +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.usim.co'
 . . . . . . . . [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 911302302325068316815948120348360775671428309346093861441468621329649719598684062133417694422704829920415534406270945145115647482198355601727078709126267893743256615643452904709536247947675969439571739937974083825855555542011240618060955006673825782349651460332531345992161194381201983242912393653468629527408329219183627189774970685666180518776577522748062434537515814417853510334869955048512848288031269832218822051941338960935744801707577291061961735952997169882333646871900643118144273369323991964700574572132171295501000176090368270335414113689055888498067574039094359249808771702694742431055135546475174009435814097300223371457576575127319442420166225782217473755433001231499985114671641176021309997375566103483604169048699547418203972619334779817320939434004417868289707558767703595809015963038839068789053190335012531948673310651285280167168806542401342168082492869845544289486469963520611061431802872716486379734114643724131656350137145798389952384964291364280510043709128487647248547632115893120213320056911864577306807075541307201370579045882990808682752944979777573841343067974056198342577777881016398940730172305576713032378037053229933658218887402181490255540810040974188734349530896600225539170096866464048295821748623
 . . . . . . . . . . . . . . . . . . . . [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)
							9cef0deb1bd012e930f74c0762233981fe2028d6
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.usim.co'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ac4f53d320000040300463044022041ce1aa2ab0ac964332f52a0163747d5f67017a477dd68b85c2c7c823bfe76540220349a267b2a4e757a02503aacf24d606ca795eed661e738cb77d623db547c645f007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ac4f53f570000040300473045022100efeb5309d13e6c5e9033d9e3d87dd64bfc7b64cd4189a2a43de4fffe972f4e1602202609971d3d6c62d369650d53c8a2c7fb46d3f39f517be010d3b5525a599035d3
 . . . . [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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