topflag.com.tw

Issued by R3

About this certificate

This digital certificate with serial number 04:cd:22:65:9f:6f:cd:8e:b5:0e:09:a3:a1:96:69:1c:bd:1d 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=topflag.com.tw

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:cd:22:65:9f:6f:cd:8e:b5:0e:09:a3:a1:96:69:1c:bd:1d
Serial Number (int): 418252750353433840722942585843622279429405
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dc:84:f5:bc:18:85:0f:c7:b9:9e:1e:04:b2:e2:62:f3:a2:2e:42:aa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2c:a8:d7:f3:7b:9e:4a:10:7a:c5:d7:e4:6b:11:13:bd:57:98:ff:4e
Fingerprint (sha256): d0:92:ef:bc:65:a9:2e:21:09:27:48:cf:fd:e0:97:c1:72:49:2f:13:4a:f6:08:82:f5:db:e1:05:a2:e9:e1:4d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate topflag.com.tw

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for topflag.com.tw

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

topflag.com.tw
www.topflag.com.tw

Other certificates including the domain name topflag.com.tw

(limited to 100 certificates)
new.topflag.com.tw
123.topflag.com.tw
topflag.com.tw
topflag.com.tw
new.topflag.com.tw
topflag.com.tw
new.topflag.com.tw
topflag.com.tw
123.topflag.com.tw
topflag.com.tw
topflag.com.tw
123.topflag.com.tw
new.topflag.com.tw
topflag.com.tw
topflag.com.tw
topflag.com.tw
topflagcom.mico.com.tw
topflag.com.tw
topflag.com.tw
topflag.com.tw
new.topflag.com.tw
topflag.com.tw
123.topflag.com.tw
topflag.com.tw
topflag.com.tw
new.topflag.com.tw
123.topflag.com.tw
123.topflag.com.tw
topflag.com.tw

Certificate

The complete raw certificate details for topflag.com.tw 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 418252750353433840722942585843622279429405
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-25 13:51:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-23 13:51:56 +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 'topflag.com.tw'
 . . . . . . . . [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 718617224330336848700007234106992380425743848978650069405417245284686298429165217241338338344694216509046664278683230066059758928672543858946807443760129859671344965139076377618535853578650425441948936340256935136318104023845004717517275842770243251872739207164703331105652375290063064354074016014994743123925183048583909498067493288701713543133752361465204638516174978503378655568734433433177733005568198268642859386580458860918444343730846931210773389844392934404572504185262351901688392970370117219173773887644299843151967482621211839011937908840195354779219525982697962418027761561791368203865789074573000807282149246429673929442548316732467642705177528685139076975832143668767977627729290847365386233146681178542541049306703078704089329607555594941900970418444370165054570263501464681924803597017692025331615461463276567107334880567413132528198255744409407047408273789793695732029955172465543116336518624314852275310937959834099823282326353678537326755064983306717126919307398047622165433684176167006232977276270616386185043281588905467881949985300710605258763659249781958216343583194499391485828592163322449143895409901500758567468909992745890738593222573043688988654598852751448383491549112278720177142840144365624246335715789
 . . . . . . . . . . . . . . . . . . . . [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)
							dc84f5bc18850fc7b99e1e04b2e262f3a22e42aa
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 'topflag.com.tw'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.topflag.com.tw'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a2d2e346c0000040300463044022034dfacd9860075b11da00733579034c0e0396aa8dd05b911ef9a7b39d87df2e40220758dfb8d1a76c1534b971475a1f352df0aaa41ef0d9e4c51ecad96c7d3b92bfd0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a2d2e36720000040300473045022100c75af83816dcfa488c7f4e9717d520d0e8d283e7c8c8b1dbcc335c9a7135fb6602204551dee4d5aa2c0886115f96392de6bac7dbf22ad2d37d27b2febcedb29dac56
 . . . . [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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