Simon Kelley writes: > Otherwise, just the usual stuff, crashes, infinite loops, wrong answers. > "internal error" log entries. Right, another data point: got an invalid signature: dnsmasq[21893]: query[A] www.tcpdump.org from 127.0.0.1 dnsmasq[21893]: forwarded www.tcpdump.org to 127.0.0.1 dnsmasq[21893]: validation result is BOGUS dnsmasq[21893]: reply www.tcpdump.org is 69.4.231.52 dnsmasq[21893]: reply www.tcpdump.org is 132.213.238.6 Seems to be correct, though: $ dig +trace +dnssec +sigchase www.tcpdump.org ...snip... ;; WE HAVE MATERIAL, WE NOW DO VALIDATION ;; VERIFYING A RRset for www.tcpdump.org. with DNSKEY:20163: RRSIG has expired ;; No DNSKEY is valid to check the RRSIG of the RRset: FAILED Turning on dnssec-debug also "helps": $ host www.tcpdump.org www.tcpdump.org has address 69.4.231.52 www.tcpdump.org has address 132.213.238.6 www.tcpdump.org has RRSIG record A 5 3 60 20131226232352 20131126222352 20163 tcpdump.org. iyzWHZ5I6wkK6uZrmNg22SZnP2JKHN1LSE9Vo+PE3J1tbA9cPcVlas3v O8PtAGjzjP/TnGRaBSbni+Bwr6GJMRT1+S1Fw1aBCeTyioRmDPP0WS48 K6WULn5Mf35KNqzpHb+1YcvP2MeSp5oMVv3uFUjONlt7RqPHVTgfnR1L zy8= www.tcpdump.org has IPv6 address 2607:f0d0:3001:62:1::52 www.tcpdump.org has IPv6 address 2001:4830:116e:2::6 www.tcpdump.org has RRSIG record AAAA 5 3 60 20131226232352 20131126222352 20163 tcpdump.org. L71XIeQLyVmZf4eXbBvefojm8qYhc/xAXR3S28pKBdeUgXl1DfePO8Il lUZhAXowKAw8H1529AglgW8HGAiJGwzoVefYz+GnZCg2N6AWoYM4gxve XwPtCDx51FAKkINkMX1XGqUIIX6Bq26RPcth0JSVCA+Fy+29ZxeitN36 sBk= -Toke