www.tomstu.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6e:d5:b4:38:13:8a:b1:47:02:40:d0:19:ee:01:62:eb:f8 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.tomstu.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6e:d5:b4:38:13:8a:b1:47:02:40:d0:19:ee:01:62:eb:f8
Serial Number (int): 386164265402244137056188018818191303306232
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2f:69:bd:c8:4e:23:b3:ba:44:85:ed:e5:33:52:8f:10:b1:2a:e7:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:e5:62:e2:a1:f7:f7:06:53:b4:8a:38:b5:7a:ae:ef:c2:f3:3c:2f
Fingerprint (sha256): 79:ca:b0:05:bf:be:c0:86:74:30:71:88:47:0c:74:c2:4c:08:af:6b:ea:6b:b5:89:25:bf:83:fb:eb:de:8a:86

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.tomstu.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tomstu.net

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

www.tomstu.net

Other certificates including the domain name tomstu.net

(limited to 100 certificates)
www.tomstu.net
tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net
www.tomstu.net

Certificate

The complete raw certificate details for www.tomstu.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5ujurX4vqiLQIQpMnI38
rBsf0fH67VuZHESIZKPowIMXkozCexLQ0H+XnJN5GcqYexbpvw1d7jkYz+efSkSU
ZTogpn06k1xeo5Tju3R+me22KKCEs6mQLXTdpVtNPMRbe5VP8znlEAsa1ec9knz3
X1FFnuMvAVkYPmF07jpv72cGVGlRV1FOdV+Sgr8AeDq2cQ5gynfEiqQRVqCvHcLh
2P357dcVoQb9+3kTAYifETby5uWlF8tYAxpH2YyErklYUkRPUaVap5fiMSPvyIko
ic5kwdYzbRPqfsU7vi9alKMintT7M4So48F3Jf4UY84hmw89S4P/rBDSl3WTVw1f
3QIDAQAB
-----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 386164265402244137056188018818191303306232
 . . . . . . . . [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 2019-03-21 11:09:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-19 11:09:57 +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.tomstu.net'
 . . . . . . . . [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 29149673357489975927260627758009896979097596568714340267610662862858682648555089660043124924116861761328793397629876879275947861454902344737689202661974571407058890555158520917505324757634314203906095963026826215321222051321835448653554888486889715105923286010606662902279826526209529757423911146967293776658552117798045001620930878462277180660915984677700334431008409241596451486682526809919371460496378297634885685802355642829575706318237644473796250026980502812198822212024842368599230957647188648729388186428201287620230574232946775517880568659526446206964605864419812680918958688651456880179909273066495344992221
 . . . . . . . . . . . . . . . . . . . . [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)
							2f69bdc84e23b3ba4485ede533528f10b12ae72c
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tomstu.net'
 . . . . . . . . . . . . . . . . [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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169a0286d910000040300483046022100cb3dc8b2a4ad785b99d43a2e5f60ce0dd4f944327b7bc8289c6bae585dfe5753022100fe4b1da26b0679aa89a5fb83d58620df4838023c65f94991c825c4af8350bafa00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a0286d9100000403004730450221009e5fa73d5c2c1b5fb999beeba826bf7c471dd7729b835ae135337dc009f1bffb022004b9bb940bc26fc729dfd2473d35820320c7403274bee537055ae04f94235908
 . . . . [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)
		0036dfa3cc8d332c06fd29b2677bcec2d4d2bcfc1ec3c3001260abde4e17da60c11bf7f70783766cb3e56621222c9372c42e052a177667e812c2242fd61134973882111913036d61d6782dda68e965f56e6d3e7fb984bdf559b90033c2dcd168951263c68994872914d2606beeedf82171a0593a9240f7a097bf812b53ab2d866e6f54c4448254a8e10de37a72ee45b13d5426ae079f30a315bc6645a5550c6e2266b4447ad36d6264605cf40730e88df8a2fb019946adad8b4d63a9668444422f309df9659c6a40a4614fcd24a0b901731e40fd0e435e410c9f557e5d278f3c1fedf8b1b1f411217d70e5d89a56b5f339c75c58cd9c8a46386c9622a458be4b0e