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

Address
Host

ethserv.schorel.eu

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.

1950BC88BA... 55.12 115.043
32CDA06EE4... 58.526 116.284

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, 10 Nov 2026 04:16:27 GMT
content-type: text/html
server: SchorelWeb h3 HTTP/3.0
x-powered-by: SchorelWeb/8.8.1
x-version: 8.8.1
site-version: 1.10.1
content-security-policy: default-src 'none'; font-src 'self' https://ethserv.schorel.eu; script-src 'self' 'nonce-bfd72478343f9c2bf0ef5dcb5a47a333' https://ethserv.schorel.eu; style-src 'self' 'nonce-bfd72478343f9c2bf0ef5dcb5a47a333' https://ethserv.schorel.eu; img-src 'self' data: https://ethserv.schorel.eu https://www.w3.org https://img.shields.io; connect-src 'self' https://ethserv.schorel.eu; object-src 'none'; worker-src 'self' https://ethserv.schorel.eu; frame-ancestors 'self'; form-action 'self'; upgrade-insecure-requests; base-uri 'self'; report-to csp-endpoint
alt-svc: h3=":443"; ma=86400
report-to: {"group":"csp-endpoint","max_age":10886400,"endpoints":[{"url":"https://ethserv.schorel.eu/csp-violation-report-endpoint/"}]}
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
referrer-policy: same-origin
permissions-policy: geolocation=(), microphone=(), camera=(), fullscreen=(self)
strict-transport-security: max-age=63072000; includeSubDomains; preload
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: cross-origin
cross-origin-embedder-policy: unsafe-none
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0
pragma: no-cache
expires: 0
access-control-allow-origin: *

Certificate Chain

Domain schorel.eu
Issued By ZeroSSL ECC DV SSL CA 2
Expires Thursday, January 14, 2027 at 11:59:59 PM GMT
This certificate is valid
Subject
Common Name schorel.eu
Issuer
Country AT
Organization ZeroSSL GmbH
Common Name ZeroSSL ECC DV SSL CA 2
Serial Number 276189556653762563193235748000654142696
Signature Algorithm ecdsa-with-SHA256
Version
Public Key Bits 256
Public Key Type DSA
Domain ZeroSSL ECC DV SSL CA 2
Issued By Sectigo Public Server Authentication Root E46
Expires Sunday, September 23, 2035 at 11:59:59 PM GMT
Subject
Country AT
Organization ZeroSSL GmbH
Common Name ZeroSSL ECC DV SSL CA 2
Issuer
Country GB
Organization Sectigo Limited
Common Name Sectigo Public Server Authentication Root E46
Serial Number 261700964417662485862736806616280333514
Signature Algorithm ecdsa-with-SHA384
Version
Public Key Bits 256
Public Key Type DSA
Domain Sectigo Public Server Authentication Root E46
Issued By USERTrust ECC Certification Authority
Expires Monday, January 18, 2038 at 11:59:59 PM GMT
Subject
Country GB
Organization Sectigo Limited
Common Name Sectigo Public Server Authentication Root E46
Issuer
Country US
State/Province New Jersey
Locality Jersey City
Organization The USERTRUST Network
Common Name USERTrust ECC Certification Authority
Serial Number 35383878947598710128532238071552119005
Signature Algorithm ecdsa-with-SHA384
Version
Public Key Bits 384
Public Key Type DSA
Domain USERTrust ECC Certification Authority
Issued By USERTrust ECC Certification Authority
Expires Monday, January 18, 2038 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 US
State/Province New Jersey
Locality Jersey City
Organization The USERTRUST Network
Common Name USERTrust ECC Certification Authority
Serial Number 123013823720199481456569720443997572134
Signature Algorithm ecdsa-with-SHA384
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": "ethserv.schorel.eu",
  "connections": [
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "1950BC88BAD505C9",
      "starttime": 8808220807397,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "6",
            "srcip": "::",
            "dstip": "2604:6280:10d:3::a3ab:709f",
            "srcport": "51677",
            "dstport": "443"
          }
        ],
        [
          133,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          55120,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ff00000001081950bc88bad505c914322d1ac394daad1568bc9fbb69cb829b...",
            "header": {
              "type": "RETRY",
              "payload_length": "121",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          55129,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          113026,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "c200000001081950bc88bad505c9147a9495b3a0d25f7fbc0ae04fbdc5bb4b...",
            "header": {
              "type": "INIT",
              "payload_length": "138",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          113600,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ee00000001081950bc88bad505c9147a9495b3a0d25f7fbc0ae04fbdc5bb4b...",
            "header": {
              "type": "HSK",
              "payload_length": "1030",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          114016,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e400000001081950bc88bad505c9147a9495b3a0d25f7fbc0ae04fbdc5bb4b...",
            "header": {
              "type": "HSK",
              "payload_length": "1184",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          114365,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e000000001081950bc88bad505c9147a9495b3a0d25f7fbc0ae04fbdc5bb4b...",
            "header": {
              "type": "HSK",
              "payload_length": "811",
              "packet_number": "2"
            },
            "frames": [
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          114754,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          114754,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          114754,
          "SECURITY",
          "CHECK_CERT",
          "CERTLOG",
          {
            "certificate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
          }
        ],
        [
          115043,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          291071,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "461950bc88bad505c9d7a8d02ecef8b19c3575f1f46d62978f9890e60284f5...",
            "header": {
              "type": "SHORT",
              "payload_length": "1184",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              },
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "NEW_CONNECTION_ID"
              },
              {
                "frame_type": "CRYPTO"
              },
              {
                "frame_type": "NEW_TOKEN"
              },
              {
                "frame_type": "HANDSHAKE_DONE"
              }
            ]
          }
        ],
        [
          291390,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "4b1950bc88bad505c9a53d11c2a2bc1658838fdde9603ab66894f12935f030...",
            "header": {
              "type": "SHORT",
              "payload_length": "852",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              }
            ]
          }
        ]
      ]
    },
    {
      "qlog_version": "0.1",
      "vantagepoint": "NETWORK",
      "connectionid": "32CDA06EE4697921",
      "starttime": 8808221099521,
      "fields": [
        "time",
        "category",
        "type",
        "trigger",
        "data"
      ],
      "events": [
        [
          0,
          "CONNECTIVITY",
          "NEW_CONNECTION",
          "LINE",
          {
            "ip_version": "6",
            "srcip": "::",
            "dstip": "2604:6280:10d:3::a3ab:709f",
            "srcport": "51677",
            "dstport": "443"
          }
        ],
        [
          52,
          "CONNECTIVITY",
          "VERNEG",
          "LINE",
          {
            "proposed_version": "00000001"
          }
        ],
        [
          58526,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "ff000000010832cda06ee469792114f3b111323d0d951cb45f1ffd2e6f37fd...",
            "header": {
              "type": "RETRY",
              "payload_length": "120",
              "packet_number": "4611686018427387904"
            }
          }
        ],
        [
          58534,
          "CONNECTIVITY",
          "VERNEG",
          "PACKET_RX",
          {
            "agreed_version": "00000001"
          }
        ],
        [
          115790,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "cb000000010832cda06ee46979211486de4713da260ac7bc93add36c0abab7...",
            "header": {
              "type": "INIT",
              "payload_length": "144",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          116190,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "e8000000010832cda06ee46979211486de4713da260ac7bc93add36c0abab7...",
            "header": {
              "type": "HSK",
              "payload_length": "1024",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "PADDING"
              },
              {
                "frame_type": "CRYPTO"
              }
            ]
          }
        ],
        [
          116284,
          "CONNECTIVITY",
          "HANDSHAKE",
          "PACKET_RX",
          {
            "status": "complete"
          }
        ],
        [
          116309,
          "RECOVERY",
          "RTT_UPDATE",
          "PACKET_RX",
          {
            "zero_rtt": "successful"
          }
        ],
        [
          287034,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "5232cda06ee469792165ed1e6906ff20f2f33ffc4b51a3117c062780771896...",
            "header": {
              "type": "SHORT",
              "payload_length": "1184",
              "packet_number": "0"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              },
              {
                "frame_type": "ACK"
              },
              {
                "frame_type": "NEW_CONNECTION_ID"
              },
              {
                "frame_type": "CRYPTO"
              },
              {
                "frame_type": "NEW_TOKEN"
              },
              {
                "frame_type": "HANDSHAKE_DONE"
              }
            ]
          }
        ],
        [
          287332,
          "TRANSPORT",
          "PACKET_RX",
          "LINE",
          {
            "raw": "4732cda06ee469792109c516403f08e7b391976b2f7f0fcf7d604615bf38b2...",
            "header": {
              "type": "SHORT",
              "payload_length": "565",
              "packet_number": "1"
            },
            "frames": [
              {
                "frame_type": "STREAM"
              }
            ]
          }
        ]
      ]
    }
  ]
}

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