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Learning DNS for Developers

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_sip._tcp.cesnet.cz IP addresses

Queried just now

A IPv4 address

15m

Time to live

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_sip._tcp.cesnet.cz has no A records.

AAAA IPv6 address

15m

Time to live

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Check propagation

_sip._tcp.cesnet.cz has no AAAA records.