Date created: 05/22/21 11:09:41. Last modified: 05/22/21 11:09:59
DNS Flush
Arch
Clear DNS cache:
sudo systemctl restart nscd
Debian
Clear DNS cache:
sudo service network-manager restart
Ubuntu 18 + Ubuntu 20
Show statistics:
sudo systemd-resolve --statistics
$ sudo systemd-resolve --statistics
DNSSEC supported by current servers: no
Transactions
Current Transactions: 0
Total Transactions: 1036
Cache
Current Cache Size: 24
Cache Hits: 535
Cache Misses: 678
DNSSEC Verdicts
Secure: 0
Insecure: 0
Bogus: 0
Indeterminate: 0
Clear DNS cache:
sudo systemd-resolve --flush-caches
$sudo systemd-resolve --flush
$ sudo systemd-resolve --statistics
DNSSEC supported by current servers: no
Transactions
Current Transactions: 0
Total Transactions: 1044
Cache
Current Cache Size: 2
Cache Hits: 535
Cache Misses: 686
DNSSEC Verdicts
Secure: 0
Insecure: 0
Bogus: 0
Indeterminate: 0
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