Re: ns1-proddns.glbdns.o365filtering.com unreachable?
their bad handling of EDNS makes that worse, because now a resolver needs to get two queries (one with EDNS, then one without) through to them before resolving something - and then it is rewarded with a 10 second TTL! Kind regards, -- Peter van Dijk PowerDNS.COM BV - https://www.powerdns.com/
Re: DNSSEC Best Practices
s-sec-alg-numbers.xhtml [2] https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml Kind regards, -- Peter van Dijk PowerDNS.COM BV - https://www.powerdns.com/