www.ianchan.dev

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:85:ad:5b:69:a4:12:ed:af:eb:5a:ed:38:43:8f:6a:3b:4d 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.ianchan.dev

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:85:ad:5b:69:a4:12:ed:af:eb:5a:ed:38:43:8f:6a:3b:4d
Serial Number (int): 306824843680702757807943526265177032506189
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e6:60:f3:9b:0e:d3:04:89:fc:1b:59:c0:5b:50:49:a6:c6:c1:15:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 30:f2:43:6b:3b:d5:23:e3:2d:d3:fb:a1:a9:c7:a9:89:86:ed:49:db
Fingerprint (sha256): a7:f7:85:9a:9a:ee:c4:cd:7d:87:df:30:9b:27:02:5c:9f:8c:16:fb:4f:44:73:d3:c6:5e:f9:74:5c:0c:20:73

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.ianchan.dev

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ianchan.dev

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.ianchan.dev

Other certificates including the domain name ianchan.dev

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ianchan.dev 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 306824843680702757807943526265177032506189
 . . . . . . . . [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 2020-04-01 10:47:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-30 10:47:06 +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.ianchan.dev'
 . . . . . . . . [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 788681780315513589887541411609425248549765366827813100442950602808253233559642596148893236293181199363216136110559963018689503971556006284114401474298199618897996044871549954920023194713463290841587365344126327348737346228305251337557081729170084804843473178147437820226892419775686884036872975830997352452974345180002195644651825676897980431072043071862599519912731351272576090007626685584304799978864396173558702001816745530951104314018370951054320746887786277947388619684914036802492752775547212671251222480338934190628827225603516337049463053225802252666388858381294470427547503141127775274295940587148684193716317613147837793274914650954737425694396051706042938029286847158547605517540730240954894319126890013910439125675353115359718415663125049634575416592165148400787554981846677986854923000288355746534666994040752291004750969329534264073023149724185067901689020231286463462682796201684665824980034029922033472402152399436846615873990227536391015385646722714861437359341475118799227926517778951704432285584629633577159533495901974710221730110849116656051846659839026301235875303886621216938755480560261767918104829564154113986259351277639652783847517022103154647571974606453389586912781994303007721756881844923315132172061881
 . . . . . . . . . . . . . . . . . . . . [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)
							e660f39b0ed30489fc1b59c05b5049a6c6c1155c
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ianchan.dev'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001713590fe2b00000403004730450220237793cbb132787d0fdae496bdc5cce63c044a7867a335540f29cf2a6a648a02022100c2474aad3e6005ba87c1008293f8bbfcd4bd55342ec1db6595add4632a3f722400770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001713590fe550000040300483046022100aae5169682604f4e8301a99a81ad2982d34a176828f54b52f63c33e155a3774f022100d52a94a6987350ed8fa534d8ced8954fd9831b4318ac9428ccc2d3452597290e
 . . . . [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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