Use Advanced Search to bypass hostname resolution and use a custom IP address or port.

Address
Host

doh.tiar.app

QUIC is supported

HTTP/3 is supported

HTTP/3 Check established a QUIC connection for all attempts made with the given endpoint. See the metrics below for more information.

0-RTT

Zero Round Trip Time Resumption (0-RTT)

The QUIC handshake for this connection was completed without any additional round-trips.

SUCCESS
h3

QUIC Versions

These are the QUIC versions supported by this QUIC endpoint.

AGREED SUPPORTED
Connection ID

Connection ID

This unique identifier for a QUIC connection is used to ensure that changes to an endpoint's lower network layer address (UDP/IP) does not affect the delivery of the QUIC connection's packets.

This tool attempts two connections to test the server's 0-RTT capabilities. During the first connection, the client receives important handshake material from the server. With 0-RTT, the client can start to send data immediately if it uses this handshake material when it creates the second connection.

Packet RX

Packet RX

This value represents the time between the first packet sent and the first packet received (measured in milliseconds).

Handshake Done

Handshake Done

This value represents the time between when the first packet is sent and when the handshake is completed (measured in milliseconds).

Take notice of the difference in this metric between the first connection and the second connection. Using 0-RTT, future connections (i.e. the second connection) can complete the handshake much faster than the original connection.

B9C331CDFF... 525.626 526.953
AEC05EB911... 530.847 688.93

Read detailed descriptions of the items and metrics shown above.

HTTP/3 Statistics

Zero Round Trip Time Resumption (0-RTT)

The QUIC handshake for this connection was completed without any additional round-trips.

SUCCESS

QUIC Versions

These are the QUIC versions supported by this QUIC endpoint.

AGREED SUPPORTED

Connection ID

This unique identifier for a QUIC connection is used to ensure that changes to an endpoint's lower network layer address (UDP/IP) does not affect the delivery of the QUIC connection's packets.

This tool attempts two connections to test the server's 0-RTT capabilities. During the first connection, the client receives important handshake material from the server. With 0-RTT, the client can start to send data immediately if it uses this handshake material when it creates the second connection.


Packet RX

This value represents the time between the first packet sent and the first packet received (measured in milliseconds).


Handshake Done

This value represents the time between when the first packet is sent and when the handshake is completed (measured in milliseconds).

Take notice of the difference in this metric between the first connection and the second connection. Using 0-RTT, future connections (i.e. the second connection) can complete the handshake much faster than the original connection.


QLog

QLog is a standard under development for QUIC Connection debugging and visualization. Learn more at https://quic.edm.uhasselt.be/

To view or download the raw QLog ("application/json"), add "format=qlog" to the HTTP query string.

HTTP Header

HTTP/1.1 200 OK
date: Tue, 16 Jul 2024 12:49:51 GMT
content-type: text/html; charset=utf-8
content-length: 2648
last-modified: Tue, 16 Jul 2024 04:14:07 GMT
etag: "6695f38f-a58"
server: Those who know do not speak. Those who speak do not know.
strict-transport-security: max-age=63072000; includeSubDomains; preload
x-frame-options: DENY
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
content-security-policy: default-src 'none';
permissions-policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=()
referrer-policy: no-referrer
allow: GET
x-powered-by: To know that you do not know is the best
accept-ranges: bytes
alt-svc: h3=":443"; ma=86400

Certificate Chain

Domain doh.tiar.app
Issued By E5
Expires Tuesday, September 10, 2024 at 04:39:36 PM GMT
This certificate is valid
Subject
Common Name doh.tiar.app
Issuer
Country US
Organization Let's Encrypt
Common Name E5
Serial Number 278331950270629900018030260690154838855891
Signature Algorithm ecdsa-with-SHA384
Version
Public Key Bits 256
Public Key Type DSA

Domain E5
Issued By ISRG Root X1
Expires Friday, March 12, 2027 at 11:59:59 PM GMT
Subject
Country US
Organization Let's Encrypt
Common Name E5
Issuer
Country US
Organization Internet Security Research Group
Common Name ISRG Root X1
Serial Number 174873564306387906651619802726858882526
Signature Algorithm sha256WithRSAEncryption
Version
Public Key Bits 384
Public Key Type DSA

Domain ISRG Root X1
Issued By ISRG Root X1
Expires Monday, June 04, 2035 at 11:04:38 AM GMT
Subject
Country US
Organization Internet Security Research Group
Common Name ISRG Root X1
Issuer
Country US
Organization Internet Security Research Group
Common Name ISRG Root X1
Serial Number 172886928669790476064670243504169061120
Signature Algorithm sha256WithRSAEncryption
Version
Public Key Bits 4096
Public Key Type RSA

QLog Output

QLog

QLog is a standard under development for QUIC Connection debugging and visualization. Learn more at https://quic.edm.uhasselt.be/

To view or download the raw QLog ("application/json"), add "format=qlog" to the HTTP query string.

{
  "qlog_version": "0.1",
  "description": "doh.tiar.app",
  "connections": [
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "B9C331CDFF08097D",
      "starttime": 15433946243097,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "6",
            "srcip": "::",
            "dstip": "2400:6180:0:d0::5f73:4001",
            "srcport": "53176",
            "dstport": "443"
          }
        ],
        [
          59,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          525626,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c40000000108b9c331cdff08097d08110183d362c785650040740fb3f29826...",
            "header": {
              "type": "INIT",
              "payload_length": "126",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          525630,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          526043,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ef0000000108b9c331cdff08097d08110183d362c785654429af5b7cdb1386...",
            "header": {
              "type": "HSK",
              "payload_length": "1074",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          526263,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "eb0000000108b9c331cdff08097d08110183d362c7856544b7c4e73771d0fd...",
            "header": {
              "type": "HSK",
              "payload_length": "1216",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          526560,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e40000000108b9c331cdff08097d08110183d362c7856540d4dc6c1c7d20db...",
            "header": {
              "type": "HSK",
              "payload_length": "221",
              "packet_number": "2"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          526716,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          526716,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          526953,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          679301,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "cf0000000108b9c331cdff08097d08110183d362c7856500406f418c30ef39...",
            "header": {
              "type": "INIT",
              "payload_length": "137",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          679409,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ec0000000108b9c331cdff08097d08110183d362c78565442921fd0dbddd56...",
            "header": {
              "type": "HSK",
              "payload_length": "1074",
              "packet_number": "3"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          679443,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c40000000108b9c331cdff08097d08110183d362c785650016bfcd42739356",
            "header": {
              "type": "INIT",
              "payload_length": "47",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          973036,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c30000000108b9c331cdff08097d08110183d362c78565001669c0076375d3",
            "header": {
              "type": "INIT",
              "payload_length": "47",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          1047666,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e40000000108b9c331cdff08097d08110183d362c7856516705214093c48ab",
            "header": {
              "type": "HSK",
              "payload_length": "30",
              "packet_number": "5"
            },
            "frames": [
              {
                "frame_type": "ACK"
              }
            ]
          }
        ],
        [
          1047792,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "55b9c331cdff08097d95be48a838799291dd9f1b9529ea6c0aa3df8636dad3...",
            "header": {
              "type": "SHORT",
              "payload_length": "560",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          1047823,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "50b9c331cdff08097d04e30dcb2b9072d76eca1a4969c7d6c1b8308c09429c...",
            "header": {
              "type": "SHORT",
              "payload_length": "95",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "NEW_CONNECTION_ID"
              },
              {
                "frame_type": "HANDSHAKE_DONE"
              }
            ]
          }
        ],
        [
          1048060,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "5cb9c331cdff08097d02c8a178a95d685eda0ce4ccb22a97d15a9d187e178b",
            "header": {
              "type": "SHORT",
              "payload_length": "30",
              "packet_number": "2"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              }
            ]
          }
        ],
        [
          1048167,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "52b9c331cdff08097ddf02a2606bba3350b0f540fc3410a9f2cb3bfaee8521...",
            "header": {
              "type": "SHORT",
              "payload_length": "728",
              "packet_number": "3"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              },
              {
                "frame_type": "ACK"
              }
            ]
          }
        ]
      ]
    },
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "AEC05EB911AAD54F",
      "starttime": 15433947291480,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "6",
            "srcip": "::",
            "dstip": "2400:6180:0:d0::5f73:4001",
            "srcport": "53176",
            "dstport": "443"
          }
        ],
        [
          29,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          530847,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ce0000000108aec05eb911aad54f085237d86d5f35fd030044965c5f414bef...",
            "header": {
              "type": "INIT",
              "payload_length": "1184",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "PADDING"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          530852,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          531237,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "5baec05eb911aad54f8029fc788f3a701fcea28d5047ebcfe29bc55311d5d9",
            "header": {
              "type": "SHORT",
              "payload_length": "46",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          688215,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c20000000108aec05eb911aad54f085237d86d5f35fd03004496b2ccc7ebe9...",
            "header": {
              "type": "INIT",
              "payload_length": "1184",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "PADDING"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          688802,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c20000000108aec05eb911aad54f085237d86d5f35fd03001843063c5f8fdc",
            "header": {
              "type": "INIT",
              "payload_length": "33",
              "packet_number": "2"
            },
            "frames": [
              {
                "frame_type": "ACK"
              }
            ]
          }
        ],
        [
          688837,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "eb0000000108aec05eb911aad54f085237d86d5f35fd0340c74e943261dd07...",
            "header": {
              "type": "HSK",
              "payload_length": "208",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          688930,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          688954,
          "RECOVERY",
          "RTT_UPDATE",
          "PACKET_RX",
          {
            "zero_rtt": "successful"
          }
        ],
        [
          689247,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "4eaec05eb911aad54f0791c98e0c45707e42053bafc7ab040b74f7d673429f...",
            "header": {
              "type": "SHORT",
              "payload_length": "730",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              },
              {
                "frame_type": "ACK"
              }
            ]
          }
        ]
      ]
    }
  ]
}