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

Address
Host

pangsuan.com

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 h3-29 h3-Q050 Q046 Q043

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.

7839F6F625... 265.474 266.381
A84D61F50C... 265.321 266.456

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
server: nginx
date: Fri, 13 Dec 2024 06:15:23 GMT
content-type: text/html; charset=UTF-8
vary: accept-encoding
x-pingback: https://pangsuan.com/action/xmlrpc
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
quic-status: h3
x-quic: h3
strict-transport-security: max-age=31536000; includeSubDomains; preload

Certificate Chain

Domain *.pangsuan.com
Issued By ZeroSSL ECC Domain Secure Site CA
Expires Saturday, January 11, 2025 at 11:59:59 PM GMT
Subject
Common Name *.pangsuan.com
Issuer
Country AT
Organization ZeroSSL
Common Name ZeroSSL ECC Domain Secure Site CA
Serial Number 32605099240668929115438530664668437396
Signature Algorithm ecdsa-with-SHA384
Version
Public Key Bits 256
Public Key Type DSA
Domain ZeroSSL ECC Domain Secure Site CA
Issued By USERTrust ECC Certification Authority
Expires Tuesday, January 29, 2030 at 11:59:59 PM GMT
Subject
Country AT
Organization ZeroSSL
Common Name ZeroSSL ECC Domain Secure Site CA
Issuer
Country US
State/Province New Jersey
Locality Jersey City
Organization The USERTRUST Network
Common Name USERTrust ECC Certification Authority
Serial Number 47475399004980497348775734540896789736
Signature Algorithm ecdsa-with-SHA384
Version
Public Key Bits 384
Public Key Type DSA
Domain USERTrust ECC Certification Authority
Issued By AAA Certificate Services
Expires Sunday, December 31, 2028 at 11:59:59 PM GMT
Subject
Country US
State/Province New Jersey
Locality Jersey City
Organization The USERTRUST Network
Common Name USERTrust ECC Certification Authority
Issuer
Country GB
State/Province Greater Manchester
Locality Salford
Organization Comodo CA Limited
Common Name AAA Certificate Services
Serial Number 114849002793238729640937462275813569940
Signature Algorithm sha384WithRSAEncryption
Version
Public Key Bits 384
Public Key Type DSA

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": "pangsuan.com",
  "connections": [
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "7839F6F625B66E90",
      "starttime": 28370278225147,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "4",
            "srcip": "0.0.0.0",
            "dstip": "120.78.87.130",
            "srcport": "51246",
            "dstport": "443"
          }
        ],
        [
          66,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          265474,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c500000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "INIT",
              "payload_length": "138",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          265478,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          265759,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ef00000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1030",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          265882,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e700000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1139",
              "packet_number": "2"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          265901,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e500000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1184",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          266201,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          266201,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          266201,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate": "308203D3308202BBA003020102021056671D04EA4F994C6F10814759D27594300D06092A864886F70D01010C0500307B310B3009060355040613024742311B301906035504080C1247726561746572204D616E636865737465723110300E06035504070C0753616C666F7264311A3018060355040A0C11436F6D6F646F204341204C696D697465643121301F06035504030C18414141204365727469666963617465205365727669636573301E170D3139303331323030303030305A170D3238313233313233353935395A308188310B3009060355040613025553311330110603550408130A4E6577204A6572736579311430120603550407130B4A65727365792043697479311E301C060355040A131554686520555345525452555354204E6574776F726B312E302C06035504031325555345525472757374204543432043657274696669636174696F6E20417574686F726974793076301006072A8648CE3D020106052B81040022036200041AAC545AA9F96823E77AD5246F53C65AD84BABC6D5B6D1E67371AEDD9CD60C61FDDBA08903B80514EC57CEEE5D3FE221B3CEF7D48A79E0A3837E2D97D061C4F199DC259163AB7F30A3B470E2C7A1339CF3BF2E5C53B15FB37D327F8A34E37979A381F23081EF301F0603551D23041830168014A0110A233E96F107ECE2AF29EF82A57FD030A4B4301D0603551D0E041604143AE10986D4CF19C29676744976DCE035C663639A300E0603551D0F0101FF040403020186300F0603551D130101FF040530030101FF30110603551D20040A300830060604551D200030430603551D1F043C303A3038A036A0348632687474703A2F2F63726C2E636F6D6F646F63612E636F6D2F414141436572746966696361746553657276696365732E63726C303406082B0601050507010104283026302406082B060105050730018618687474703A2F2F6F6373702E636F6D6F646F63612E636F6D300D06092A864886F70D01010C0500038201010019ECEB9D892C200B04801D18DE429972991632BD0E9C755B2C15E229406DEEFF72DBDBAB901F8C95F28A3D087242895007E239156C0187D9161AF5C0752BC5E6561107DFD898BC7C9F1939DF8BCA006473BC46109B93238DBE16C32E08829C863374763B284C8D034285B3E2B22342D51F7A756A1AD17CAA6721C4333A396D53C9A2ED6222A8BBE2556C996C436B9197D10C0B93021DD2BC697749E61B4DF7BF147803B0A6BA0BB4E1857F2FDC423BAD740148DED66CE11998095E0AB36747FE1CE0D5C128EF4A8B44312604378D8974362EEFA5220F83744992C7F710C20C29FBB7BDBA7FE35FD59FF2A9F474D5B8E1B3B081E4E1A563A3CCEA0478906EBFF7"
          }
        ],
        [
          266381,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          415516,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "cb00000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "INIT",
              "payload_length": "154",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          415647,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e600000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1030",
              "packet_number": "3"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          415681,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e600000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1184",
              "packet_number": "4"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          415697,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e300000001087839f6f625b66e9014f7e1cbbe269d56045a06f2a027d51e58...",
            "header": {
              "type": "HSK",
              "payload_length": "1139",
              "packet_number": "5"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          1063815,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "5e7839f6f625b66e901b5e0226d04c627092732d7efd6b66acbf5105942131...",
            "header": {
              "type": "SHORT",
              "payload_length": "857",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              },
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "NEW_CONNECTION_ID"
              },
              {
                "frame_type": "CRYPTO"
              },
              {
                "frame_type": "HANDSHAKE_DONE"
              }
            ]
          }
        ],
        [
          1163987,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "547839f6f625b66e9020c96124c8a5881fd5a4114278345f6f5d11be7b118a...",
            "header": {
              "type": "SHORT",
              "payload_length": "1334",
              "packet_number": "4"
            },
            "frames": [
              {
                "frame_type": "PADDING"
              },
              {
                "frame_type": "PING"
              }
            ]
          }
        ],
        [
          1175253,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "417839f6f625b66e90cc2230768403aed7fd42c5319c695aad4b2cc70c965a...",
            "header": {
              "type": "SHORT",
              "payload_length": "281",
              "packet_number": "5"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              }
            ]
          }
        ]
      ]
    },
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "A84D61F50C8EE1CD",
      "starttime": 28370279400861,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "4",
            "srcip": "0.0.0.0",
            "dstip": "120.78.87.130",
            "srcport": "51246",
            "dstport": "443"
          }
        ],
        [
          38,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          265321,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c60000000108a84d61f50c8ee1cd14166f143f8ca2f27262c4a73343aad4ec...",
            "header": {
              "type": "INIT",
              "payload_length": "144",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          265325,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          265664,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e50000000108a84d61f50c8ee1cd14166f143f8ca2f27262c4a73343aad4ec...",
            "header": {
              "type": "HSK",
              "payload_length": "1024",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "PADDING"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          266456,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          266509,
          "RECOVERY",
          "RTT_UPDATE",
          "PACKET_RX",
          {
            "zero_rtt": "successful"
          }
        ],
        [
          417334,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c40000000108a84d61f50c8ee1cd14166f143f8ca2f27262c4a73343aad4ec...",
            "header": {
              "type": "INIT",
              "payload_length": "160",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          417450,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e60000000108a84d61f50c8ee1cd14166f143f8ca2f27262c4a73343aad4ec...",
            "header": {
              "type": "HSK",
              "payload_length": "1024",
              "packet_number": "1"
            },
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