Check DNS Nameservers

published Last Updated: Oct 9, 2026 HW: all

Check check DNS dns Nameservers nameservers check-dns-nameservers check dns nameservers

Applicable alarms (3)

CheckDNSNameservers

Likely outcomes (0 missions) — click to expand

Based on 0 missions where this alarm fired in the last 90 days (for Check) as of 2026-10-13

Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.

Check the /etc/resolv.conf file

$ cat /etc/resolv.conf | grep nameserver

Nameserver 1.1.1.1

Nameserver 8.8.8.8

$


Check the gateway

$ ip route | grep <interface>

<gatewayIP/mask> dev <interface> proto kernel scope link src <interface IP>

$


Gateway is how to move packets out of the subnet and the interface is the src IP
Ping the gateway to see if you can reach it

$ ping 192.168.217.1

$


Check IP address per interface

$ ip addr | grep <interface> | grep inet

inet 192.168.217.x/24 brd 172.29.0.7 scope global <interface>

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Topic history

1. 2026-10-07 Susan Minne Bulk/mechanical change
   Replace individual guide ownership with system technical contacts
   Commit dca5a1a
2. 2026-09-24 Susan Minne Bulk/mechanical change
   chore: backfill asset and dock owner identities
   Commit c82f87b
3. 2026-09-23 Susan Minne Bulk/mechanical change
   docs: remove obsolete Confluence metadata
   Commit 2d5374e
4. 2026-09-13 Susan Minne Bulk/mechanical change
   feat: add MX approval metadata to topics
   Commit 406a785

Baseline import

Initial import into service_docs

Imported by Susan Minne on 2026-06-08

Move migrated topics into correct sections

Commit 599b402

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