This is definitely a thing I've started to notice too but I see it way more at home than at work. So I initially chalked it up to something on my end.
Pings, trace routes and MTRs go through just fine so I'm guessing it's a DNS related problem.
Just tried clearing cache and all that. See if that helps at all.
- Deadliest mass shooting by an individual in US history (10/01/2017)
- Deadliest high school shooting in US history (02/14/2018)
- Deadliest massacre of Jews in US history (10/27/2018)
- Political assassination attempt of TWO former presidents(and 10+ other people) (10/23/2018 - and beyond)