[Dnsmasq-discuss] issues resolving a DNSSEC domain with dnsmasq 2.76

Jelle de Jong jelledejong at powercraft.nl
Fri Mar 19 12:50:49 UTC 2021


Hello everybody,

I am having an issue resolving the MX record of a domain using DNSSEC, 
however I can not find anything wrong with this domain on a dnssec test 
sites, but dnsmasq goes into a loop until the dig tool times out.

The dnssec test on the goededoelennederland.nl domain:
https://dnsviz.net/d/goededoelennederland.nl/dnssec/

The dnsmasq loop logs (a few pages full)
Mar 19 13:37:18 firewall01 dnsmasq[26888]: reply goededoelennederland.nl 
is DNSKEY keytag 44143, algo 13
Mar 19 13:37:18 firewall01 dnsmasq[26888]: dnssec-query[DNSKEY] 
goededoelennederland.nl to 208.67.220.220
Mar 19 13:37:18 firewall01 dnsmasq[26888]: reply goededoelennederland.nl 
is DNSKEY keytag 44143, algo 13
Mar 19 13:37:18 firewall01 dnsmasq[26888]: dnssec-query[DNSKEY] 
goededoelennederland.nl to 208.67.220.220

The dnsmasq config:
dnssec
conf-file=/usr/share/dnsmasq-base/trust-anchors.conf

If I disable dnsmasq option it all works:

# dnsmasq --version
Dnsmasq version 2.76  Copyright (c) 2000-2016 Simon Kelley
Compile time options: IPv6 GNU-getopt DBus i18n IDN DHCP DHCPv6 no-Lua 
TFTP conntrack ipset auth DNSSEC loop-detect inotify

# dig MX goededoelennederland.nl @localhost
; <<>> DiG 9.10.3-P4-Debian <<>> MX goededoelennederland.nl @localhost
;; global options: +cmd
;; connection timed out; no servers could be reached

# dig MX goededoelennederland.nl @208.67.222.222 | grep -v ";"
goededoelennederland.nl. 0	IN	MX	0 
goededoelennederland-nl.mail.protection.outlook.com.

I could reproduce this isuses on multipe dnsmasq servers.

Could someone knowledgeable do a a quick dig MX goededoelennederland.nl 
and see what goes wrong?

Kind regards,

Jelle de Jong



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