On Wed, Jan 24, 2018 at 05:50:26PM -0800, Paul Vixie wrote:
> Mark Andrews wrote:
> > > On 25 Jan 2018, at 8:38 am, Paul Vixie<[email protected]> wrote:
> > >
> > > viktor, i don't disagree with your goals, but i have a proposal as to
> > > method.
> > >
> > > no resolver should be sending single-label names in DNS requests, period.
> >
> > I would qualify that as gethostbyaddr / getaddrinfo etc. should not be ….
> >
> > Resolvers do more than lookup host names.
>
> as others pointed out off-thread, you are right, and that's what i meant.
For the record, below are some TLDs that serve A/AAAA or MX records
for the single-label bare TLD. Given search lists ndots, and so
on, these are often not resolvable, but there they are anyway:
ai. A 209.59.119.34
cm. A 195.24.205.60
dk. A 193.163.102.58
dk. AAAA 2a01:630:0:40::58
gg. A 87.117.196.80
je. A 87.117.196.80
pa. A 168.77.8.43
pn. A 80.68.93.100
tk. A 217.119.57.22
uz. A 91.212.89.8
ws. A 64.70.19.33
xn--l1acc. A 180.149.98.78
xn--l1acc. A 202.170.80.40
xn--l1acc. A 218.100.84.27
ai. MX 10 mail.offshore.ai.
ax. MX 5 mail.aland.net.
bh. MX 10 mail2.batelco.com.bh.
cf. MX 0 mail.intnet.cf.
dm. MX 10 mail.nic.dm.
gp. MX 10 ns1.nic.gp.
gt. MX 10 ASPMX.L.GOOGLE.COM.
gt. MX 20 ALT1.ASPMX.L.GOOGLE.COM.
gt. MX 20 ALT2.ASPMX.L.GOOGLE.COM.
gt. MX 30 ASPMX2.GOOGLEMAIL.COM.
gt. MX 30 ASPMX3.GOOGLEMAIL.COM.
gt. MX 30 ASPMX4.GOOGLEMAIL.COM.
gt. MX 30 ASPMX5.GOOGLEMAIL.COM.
hr. MX 5 alpha.carnet.hr.
kh. MX 10 ns1.dns.net.kh.
km. MX 100 mail1.comorestelecom.km.
lk. MX 10 malithi-slt.nic.lk.
lk. MX 20 malithi-lc.nic.lk.
mq. MX 10 mx1-mq.mediaserv.net.
pa. MX 5 ns.pa.
tt. MX 1 ASPMX.L.GOOGLE.COM.
tt. MX 10 ALT1.ASPMX.L.GOOGLE.COM.
ua. MX 10 mr.kolo.net.
ws. MX 10 mail.worldsite.ws.
--
Viktor.
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