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The following acronyms are used in the dashboards:
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- AS :: autonomous system – a large network that acts as a unit in the worldwide IP routing system.
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- DNSSEC :: DNS Security Extensions. See https://www.nic.cz/page/513/about-dnssec/ for details.
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- ODVR :: Open DNSSEC-Validating Resolvers – a system of public resolvers operated by CZ.NIC. See https://www.nic.cz/odvr/ for details.
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- QPS :: number of DNS queries per second.
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- QTYPE :: query type – type of the DNS resource record requested in a query. See [[https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-4][Resource Record (RR) TYPEs]].
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- RCODE :: DNS response code. See [[https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-6][DNS RCODEs]].
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- RTT :: round-trip time – the DNS service delay experienced by resolvers, i.e. the time span between sending a query and receiving a response.
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- RTT :: round-trip time – the DNS service delay experienced by resolvers, i.e. the time span between sending a query and receiving a response.
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- SLD :: second-level domain – a DNS domain that is contained directly in a top-level domain (example: `nic.cz`).
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- TCP :: Transmission Control Protocol, the most common transport layer protocol.
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- UDP :: User Datagram Protocol, the second-most common transport layer protocol, but currently the first choice (by far) for DNS communication. |
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- TLD :: top-level domain – a DNS domain that is contained directly in the root domain (example: `cz`.
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- UDP :: User Datagram Protocol, the second-most common transport layer protocol, but currently the first choice (by far) for DNS communication. |
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