dev.nicodevelopment.co.uk

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:e3:72:a3:c6:0b:41:a0:5e:45:20:2a:f2:42:c6:fd:44:a6 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=dev.nicodevelopment.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:e3:72:a3:c6:0b:41:a0:5e:45:20:2a:f2:42:c6:fd:44:a6
Serial Number (int): 164508765575529621148859189952696935072934
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: e8:59:e2:39:9c:f3:2b:c1:77:7e:37:ca:00:fc:36:91:20:6d:a5:43
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:3d:2d:c3:31:44:1d:81:c9:f4:33:4a:bc:89:98:4f:69:64:75:b1
Fingerprint (sha256): bd:3e:6d:b7:38:47:d0:ac:45:36:f6:86:f4:77:f4:74:b6:02:1b:2e:1c:3d:b9:29:a7:92:f4:88:56:15:37:05

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate dev.nicodevelopment.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dev.nicodevelopment.co.uk

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

dev.nicodevelopment.co.uk

Other certificates including the domain name nicodevelopment.co.uk

(limited to 100 certificates)
dev.nicodevelopment.co.uk
dev.nicodevelopment.co.uk

Certificate

The complete raw certificate details for dev.nicodevelopment.co.uk 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 164508765575529621148859189952696935072934
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-02 16:20:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-05-31 16:20:00 +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 'dev.nicodevelopment.co.uk'
 . . . . . . . . [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 800081384570298132074253650499484087423750158007330753438536957417729606405623323460701016008095879038235121977725662806498123195968563413149692015748724531463282183494482307107529723157308804110523813987613139670337422202920430937274209185475889285242918038516420611612180439302170663320888311127223525051622079539842668573133707712299724107869598669827781705056156458690737896199575400135448465089831126216717917321943743300294940713022682096107649054460486735476147276729497076771612106332207901153001090587085728149779278562825815798902269529174200448679110884391144932622130786480244610922779713556912670208997238226594638579678047002007432596979391445948149453833606963768325420413666306247018437797713029570469678808751470550339083218446845117505500895890052453143562439745162697403318150037494878387365333590330070062896814633712098416507658298074791127261747696967230606061314561712513116110303523951495046210290820471363852480494899418717800878086159437336093001077440548671802017344501045654286549089268029119490433777172757833389155354909367154351381049405828175359963674658285870606764069421469317798856100866542408229129862577669035052966583141060062066338378914517460740209557757508764638164698354270346049068710161261
 . . . . . . . . . . . . . . . . . . . . [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)
							e859e2399cf32bc1777e37ca00fc3691206da543
 . . . . . . . . . . . . . . . . [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-x1.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-x1.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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.nicodevelopment.co.uk'
 . . . . . . . . . . . . . . . . [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)
		005ea7faa4c64b3ab7e5316406ff46f345ced2567d27ac93866e3c0c38fc1540971bef587fdf441b6712822423a98d560dcabaf73b61b5fcf46379fffc8fc072923b3f8dac6eb61c1cea295af2b658d70d4e80feecddbc96053866d0cd953fc7df127ff2470f286719d050bb4d1e732ae62a3b909b04f31b181b1f33b940572c6519b21daae279848de6db0c01b3aafc16bf6846a5870d8ed8d3b737631e181f83c49d525d41271100da3ff0a094d65afafe6c59ba7f1c94a839505336edffd551a3b0fabb868d5d88de1f81f97839e026b66107e40859ee582b65d69abc936d31e981b72d76e6ad617ce02af5b0ed4d3e56b320f9f0465f63c0e7f6cf84671350