DNS failure can manifest in strange ways and have a sysadmin scratching their head as to why some devices are working fine (statically configured/running from DNS cache), but others cannot access the internet or any of their work services.
It's usually the last thing you suspect, because DNS always just works, right?
My V8 Holden Ute. Sure it's not super practical but it makes up for it in Smiles per gallon.