There's also Quad9 that I saw in an article earlier (not sure if it was on HN).
https://www.quad9.net/faq/#Is_there_a_service_that_Quad9_off...
$ dig @9.9.9.10 +dnssec +short verisignlabs.com
72.13.58.64
A 8 2 3600 20180413202737 20180330202737 31485 verisignlabs.com. KrnT9i6qytaYWDZWThBmBwc6anOmawNxJTxmSlpaY3L7Yfupga9FS70l 8nMVp8ggbEtA+CnS9AbNwObkPaYvk3nFpDvo4C+2hg+PECsP1HVTgGxl G3eblfnYAMNfYzLYlfUnSBgM7kLSIXY4rLBxsl01KiPJYezNhmQ53KYf ygs=Use cases are different - Quad9 for "nasty" filtered and 8.8.8.8 for err probably not filtered.
Do it yourself otherwise.