Check a DANE TLS Service

This application checks a DANE TLS Service. It connects to the specified TLS service and then attempts to authenticate its TLS server certificate according to its corresponding DANE TLSA records in the DNS.

Port: 443
Domain name: johnscott.me

DANE Authentication partially successful.


Checking Transcript:

Host: johnscott.me Port: 443
SNI: johnscott.me
DNS TLSA RRset:
  qname: _443._tcp.johnscott.me.
  3 1 1 4255623d4db4263d02248265355d76d2ce506f41d102b651b0b32ac4eebc9a0a
  3 1 1 3c2ac10bea704d0cb6ef440690535e563ba144dfc263d77ef0ebd62f2b5f82da
IP Addresses found:
  2600:3c03::f03c:93ff:fef6:24
  172.104.214.157

## Checking johnscott.me 2600:3c03::f03c:93ff:fef6:24 port 443
DANE TLSA 3 1 1 [4255623d..]: not checked
DANE TLSA 3 1 1 [3c2ac10b..]: not checked
Result: FAILED: dial tcp [2600:3c03::f03c:93ff:fef6:24]:443: connect: no route to host

## Checking johnscott.me 172.104.214.157 port 443
DANE TLSA 3 1 1 [4255623d..]: FAIL did not match EE certificate
DANE TLSA 3 1 1 [3c2ac10b..]: OK matched EE certificate
## Peer Certificate Chain:
   0 CN=johnscott.me
     CN=R3,O=Let's Encrypt,C=US
   1 CN=R3,O=Let's Encrypt,C=US
     CN=ISRG Root X1,O=Internet Security Research Group,C=US
## PKIX Certificate Chain 0:
   0 CN=johnscott.me
     CN=R3,O=Let's Encrypt,C=US
   1 CN=R3,O=Let's Encrypt,C=US
     CN=ISRG Root X1,O=Internet Security Research Group,C=US
   2 CN=ISRG Root X1,O=Internet Security Research Group,C=US
     CN=ISRG Root X1,O=Internet Security Research Group,C=US
## DANE Certificate Chain 0:
   0 CN=johnscott.me
     CN=R3,O=Let's Encrypt,C=US
   1 CN=R3,O=Let's Encrypt,C=US
     CN=ISRG Root X1,O=Internet Security Research Group,C=US
## TLS Connection Info:
   TLS version: 1.3
   CipherSuite: TLS_AES_128_GCM_SHA256
## End-Entity Certificate Info:
   X509 version: 3
   Serial#: 3dd7e1593fbbeeedb0b8740e3484a86d534
   Subject: CN=johnscott.me
   Issuer:  CN=R3,O=Let's Encrypt,C=US
   SAN dNSName: johnscott.me
   Signature Algorithm: SHA256-RSA
   PublicKey Algorithm: ECDSA 511-Bits
   Inception:  2024-05-13 17:06:54 +0000 UTC
   Expiration: 2024-08-11 17:06:53 +0000 UTC
   KU: DigitalSignature
   EKU: ServerAuth ClientAuth
   Is CA?: false
   SKI: 0e82adbe9b47773df0d4f5205bb462903cce2091
   AKI: 142eb317b75856cbae500940e61faf9d8b14c2c6
   OSCP Servers: [http://r3.o.lencr.org]
   CA Issuer URL: [http://r3.i.lencr.org/]
   CRL Distribution: []
   Policy OIDs: [2.23.140.1.2.1]
Result: DANE OK

[1] Authentication succeeded for some (1 of 2) peers.




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References