[dns-operations] TLSA lookup SERVFAIL from CloudFlare auth servers?

[Viktor Dukhovni]

For some reason CloudFlare's auth servers are failing to return
a non-error reply for (at least):

  https://dnsviz.net/d/_25._tcp.mail1.gearnetwork.de/YU_q9g/dnssec/
  https://dnsviz.net/d/_25._tcp.mail.markleenen.eu/YVC-8g/dnssec/

-- 
	Viktor.