andrewying.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d6:2a:83:c6:5a:e7:2c:78:f7:41:d5:2e:68:9d:06:27:b6 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=andrewying.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d6:2a:83:c6:5a:e7:2c:78:f7:41:d5:2e:68:9d:06:27:b6
Serial Number (int): 334213796106192186600679557448454143092662
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:15:32:e3:10:1f:46:1c:1a:41:66:9e:7b:8b:02:d8:aa:d8:b8:af
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0b:1f:99:f6:36:e7:81:d7:57:67:34:72:2f:90:e0:46:94:f2:0e:b1
Fingerprint (sha256): 1c:44:c1:2f:7a:c2:86:15:b9:04:49:e5:10:22:f3:c9:f8:ad:d2:b9:4e:9b:73:b5:0e:51:46:21:8f:41:c6:0f

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 andrewying.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for andrewying.com

Public Key Algorithm

RSA

Key Size

2048

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

andrewying.com
www.andrewying.com

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mail.andrewying.com
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sni45710.cloudflaressl.com
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sni45710.cloudflaressl.com
andrewying.com
andrewying.com
irc.andrewying.com
andrewying.com
sni45710.cloudflaressl.com
sni.cloudflaressl.com
sni45710.cloudflaressl.com
sni45710.cloudflaressl.com
sni.cloudflaressl.com
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sni45710.cloudflaressl.com
sni45710.cloudflaressl.com
webserver.srcf.net
andrewying.com
andrewying.com
andrewying.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsL4Ed9gQVzaYYpbyPyQw
tX2+sZ0xZ/D54A6YOII9I3bTOPrJaeVDLiFsLO5LNDrRUBreAaOS7M1KryMcnB4s
ydeQy+8FsGfNuKsYTLP8yNgt07qUWWTN1Ueoi2zazU5DqulNcCxsoTEH7hKiLF4P
sWUZuBOJH5pnu4mmBH32DogBZICU8LeATGBC2JLyJQ6t+j7Z/rANGReIOk9RjQSM
txXztqi10RqWCuMwKm/qIvMGmEtQ4gVpfTpOoMMMLXM2Y9gLSLUrx6xnGt5Z4BcC
ZCsWVXJTh+rmEksXtrxPYkMsDTbEpBko2Oa2z9IKVN8AvMjy3+61EulEzknU6Fsv
mwIDAQAB
-----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 334213796106192186600679557448454143092662
 . . . . . . . . [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 2020-01-05 09:12:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-04 09:12:28 +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 'andrewying.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22311642772720891728719394257973416551769114731505447374140680387787036641373564004258806139057494754125173683176909089050860355064565435507181716495309637659404220760436548255202703256593210389317399445491344781525691243167921662105327386649730038621696321654374928149332683940227042332606603308262691365631544824192999149281687876136398610009455304530393566178237827303283883778351402726533566664963597288457252862192727229137778604718929198113592824167335306009919296475825388400971866894684351871140044344653126010464431255367147641946013979830199752399336543250385431220423535225115473389365435027357902332178331
 . . . . . . . . . . . . . . . . . . . . [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)
							6d1532e3101f461c1a41669e7b8b02d8aad8b8af
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'andrewying.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.andrewying.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f7531150a000004030047304502204e446c31cde49b73f2a2f0579d9e04e37d203db4e2ac9177c312aa8fa7727cc7022100b6a798e5743f37c1007af18f1ced7ab4431d8bbb165f0e71e3a22a033ec578f40077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f753115a6000004030048304602210084008b7dffd3c50953e96b0c6ab8b6bc12e5ac4da7b25f69ef06a487b3ba8043022100cf360e4abecd625215e8a30bf1833f8b7d8bf62d942a825628f94bba20c574c7
 . . . . [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)
		000fc90b66e36ab7f44f92b175d2cc8fca53722976c85e2fde9f936b2578e5d9e85522e282f24c8479661ca7592c5257e81ff58836f33a975c9e29e5bb933818e8a3ed81fa708155d3d990e261f889621223a9b4ddef7ac195f7c7f36ac2adbc27a5dd75c195186f96f9288a7af6d767df191a106b49ea4b380ef93313c452d34d6683cc6acf944929be3ccb958c3a594904e37a346ed399609093a58fb1c5b92a603c2d1b953d245f3d891a397c8035e5611c70ef2249d3ad768879ff54e09fb76cb3dd03c5512aa491b513541cde787e4ac27e19ad58f6f8f87fe8860bc11ce9f00269fc078f81d60d8326a842046a783afda94861fd4c11ea1d869fcab7dbf4