[dns-operations] NXDOMAIN at zone apex???
Viktor Dukhovni
ietf-dane at dukhovni.org
Thu May 25 00:16:06 UTC 2017
I just ran into a bunch of domains that return NXDOMAIN for MX
queries at the zone apex along with an SOA record for the qname!
I would have thought that's invalid, but unbound does not mind:
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57849
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 8192
;; QUESTION SECTION:
;f2qwqok62.biz. IN MX
;; AUTHORITY SECTION:
f2qwqok62.biz. 60 IN SOA ns009.adcloud-ex.net. root.ns009.adcloud-ex.net. 1 60 7200 604800 60
--
Viktor.
Some domains of this form:
domain name SOA mmname SOA mrname
-------------- ----------------- ----------------------
15ihat0xhe.biz ddns.change-d.net root at ddns.change-d.net
1rrkfbi94e.biz ddns.change-d.net root at ddns.change-d.net
4kgtjrrijp.biz ddns.change-d.net root at ddns.change-d.net
6cz4t7xsif.biz ddns.change-d.net root at ddns.change-d.net
6mi1oto1fj.biz ddns.change-d.net root at ddns.change-d.net
6psub2fa4c.biz ddns.change-d.net root at ddns.change-d.net
6rv17mlmzz185k.biz ddns.change-d.net root at ddns.change-d.net
7gw9ph36k774y.biz ddns.change-d.net root at ddns.change-d.net
7twpylkqyrl.biz ddns.change-d.net root at ddns.change-d.net
7xlewwz8.biz ddns.change-d.net root at ddns.change-d.net
857gdeh2zpa67.biz ddns.change-d.net root at ddns.change-d.net
89k4fitezn.biz ddns.change-d.net root at ddns.change-d.net
8x7j8po9nptcn.biz ddns.change-d.net root at ddns.change-d.net
99j4zsoqp3.biz ddns.change-d.net root at ddns.change-d.net
abbxocmaj3.biz ddns.change-d.net root at ddns.change-d.net
axrmd6ava.biz ddns.change-d.net root at ddns.change-d.net
azdvmtgf.biz ddns.change-d.net root at ddns.change-d.net
b1cu-esxzge.biz ddns.change-d.net root at ddns.change-d.net
b3tze543nl.biz ddns.change-d.net root at ddns.change-d.net
b75xwam0lqgie.biz ddns.change-d.net root at ddns.change-d.net
bigy6uv1mi.biz ddns.change-d.net root at ddns.change-d.net
bikdvuqu.biz ddns.change-d.net root at ddns.change-d.net
binhwyqa.biz ddns.change-d.net root at ddns.change-d.net
bkh8yos3wzaf.biz ddns.change-d.net root at ddns.change-d.net
ca7tulomnb.biz ddns.change-d.net root at ddns.change-d.net
ch0g77jt0yy1j.biz ddns.change-d.net root at ddns.change-d.net
ckktp7oeqf.biz ddns.change-d.net root at ddns.change-d.net
d53wgl8b92.biz ddns.change-d.net root at ddns.change-d.net
d6bk1d8l.biz ddns.change-d.net root at ddns.change-d.net
dh2hgfoj9icr.biz ddns.change-d.net root at ddns.change-d.net
e9nzlysrg.biz ddns.change-d.net root at ddns.change-d.net
ea8xmhpxf25c5.biz ddns.change-d.net root at ddns.change-d.net
eqbpdrdw.biz ddns.change-d.net root at ddns.change-d.net
f3gypvppulw.biz ddns.change-d.net root at ddns.change-d.net
fb6tehfqi2.biz ddns.change-d.net root at ddns.change-d.net
fqyxneb6l.biz ddns.change-d.net root at ddns.change-d.net
fy97kew8pk.biz ddns.change-d.net root at ddns.change-d.net
gisvdvqy3641vu.biz ddns.change-d.net root at ddns.change-d.net
gjs2hisy.biz ddns.change-d.net root at ddns.change-d.net
iyjh2rz8rx.biz ddns.change-d.net root at ddns.change-d.net
jpq-ejh8hv.biz ddns.change-d.net root at ddns.change-d.net
jqewko5aj.biz ddns.change-d.net root at ddns.change-d.net
nonsihki.biz ddns.change-d.net root at ddns.change-d.net
sbqkddj7d.biz ddns.change-d.net root at ddns.change-d.net
t394h0n8.biz ddns.change-d.net root at ddns.change-d.net
t5kc261q3h.biz ddns.change-d.net root at ddns.change-d.net
uf-x5nfw8wdi.biz ddns.change-d.net root at ddns.change-d.net
ufyfpjwe.biz ddns.change-d.net root at ddns.change-d.net
uk16odrq5t.biz ddns.change-d.net root at ddns.change-d.net
up1p9g52lae3zlf.biz ddns.change-d.net root at ddns.change-d.net
xmqigiqp.biz ddns.change-d.net root at ddns.change-d.net
xntrln75pt.biz ddns.change-d.net root at ddns.change-d.net
ycofiugn.biz ddns.change-d.net root at ddns.change-d.net
ziweo0ygo.biz ddns.change-d.net root at ddns.change-d.net
znd3oirfli9d.biz ddns.change-d.net root at ddns.change-d.net
zwjrpiw4sw.biz ddns.change-d.net root at ddns.change-d.net
6cydue-g2of.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
9kt0jttt-fpq.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
a10odd4-tivxh.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
a5zfd-baxp4m.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
a8qudd-j6w8b.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
cc2d-vy2nkgz.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
ccc2f-cat083iv.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
fquff-d95ick.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
frkhdhd-ada4a.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
gfjgrond-mp8ij.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
sffrdj-trfw3z.biz ns005.adcloud-ex.net root at ns005.adcloud-ex.net
13vzg14p2.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
15wusl2wv.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
1id05amh5.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
1k025hgyc.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
1xs0hqrmm.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
21p38xsh6.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
3rkw36575.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
5j4hab2ai.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
5zfqfgig5.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
62z13nvs9.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
64eo82iv4.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
64oy4tqvf.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
67xhf4248.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
6r0l7xeoi.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
6r76anbtu.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
71mc06uv5.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
7k8uzg8dq.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
7pdan1xl1.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
7v8qep455.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
81frf700c.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
897k2dw3t.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
8aep84s5i.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
8f59yn6qw.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
8hvk7ryhn.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
8s6xyroby.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
9elklhldo.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
9gcb9ofow.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
9sissb4aj.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
9twvnhyj9.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
b8rh18t70.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
biwxpgrpo.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
c0is70jpa.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
cbrk0gmt1.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
ci4m3kwcb.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
errpd5km8.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
exzow6doh.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
f2qwqok62.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
f5r2luqec.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
fmox0bzix.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
fn39bvgld.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
fnl8a6wp5.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
fthtf410w.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
g3271lmur.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
gel9ftzhv.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
gf617nehv.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
gns2moz57.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
nj9vxw0q6.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
tc9a6uc9i.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
tomsj2v6l.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
trbhmwi1e.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
um5xfufnx.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
yky6eg68y.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
zzymkw3t6.biz ns009.adcloud-ex.net root at ns009.adcloud-ex.net
tluslgx3l2.biz ns042.change-d.net root at ns042.change-d.net
1g1rr64npp5.biz ns043.change-d.net root at ns043.change-d.net
5qa6bdoi.biz ns043.change-d.net root at ns043.change-d.net
6zefpbcd6o.biz ns043.change-d.net root at ns043.change-d.net
72hsr4gw.biz ns043.change-d.net root at ns043.change-d.net
73pu76fa.biz ns043.change-d.net root at ns043.change-d.net
7e11sn3n.biz ns043.change-d.net root at ns043.change-d.net
7h4m7zqqm.biz ns043.change-d.net root at ns043.change-d.net
7hl9sixt.biz ns043.change-d.net root at ns043.change-d.net
7zknq7sei.biz ns043.change-d.net root at ns043.change-d.net
80a9lhl8tgx.biz ns043.change-d.net root at ns043.change-d.net
8uzr8ezdewy.biz ns043.change-d.net root at ns043.change-d.net
b7d4dj82.biz ns043.change-d.net root at ns043.change-d.net
d5p64ch4.biz ns043.change-d.net root at ns043.change-d.net
e66kbwuciz.biz ns043.change-d.net root at ns043.change-d.net
ebk5z2nc.biz ns043.change-d.net root at ns043.change-d.net
ffe9pzas0.biz ns043.change-d.net root at ns043.change-d.net
fokc42o9ux.biz ns043.change-d.net root at ns043.change-d.net
7lrjtfqtgz.biz ns071.change-d.net root at ns071.change-d.net
9jiq7b7mo3.biz ns071.change-d.net root at ns071.change-d.net
a84tcfnphw.biz ns071.change-d.net root at ns071.change-d.net
bbfglz7jeb.biz ns071.change-d.net root at ns071.change-d.net
e66f6nnvhr.biz ns071.change-d.net root at ns071.change-d.net
f2f3isfx1l.biz ns071.change-d.net root at ns071.change-d.net
gelqlpulnw.biz ns071.change-d.net root at ns071.change-d.net
5d16f4yjuz.biz ns099.change-d.net root at ns099.change-d.net
e57ex9bdnu.biz ns099.change-d.net root at ns099.change-d.net
t6qn0339f0.biz ns099.change-d.net root at ns099.change-d.net
1dr2qf.biz ns1.1dr2qf.biz root at 1dr2qf.biz
1i6c9j.biz ns1.1i6c9j.biz root at 1i6c9j.biz
1rjdfq.biz ns1.1rjdfq.biz root at 1rjdfq.biz
2sot5k.biz ns1.2sot5k.biz root at 2sot5k.biz
5achn2.biz ns1.5achn2.biz root at 5achn2.biz
60jipj.biz ns1.60jipj.biz root at 60jipj.biz
68nk73.biz ns1.68nk73.biz root at 68nk73.biz
6mfhnc.biz ns1.6mfhnc.biz root at 6mfhnc.biz
80oaf2.biz ns1.80oaf2.biz root at 80oaf2.biz
82ll2i.biz ns1.82ll2i.biz root at 82ll2i.biz
9o9g0p.biz ns1.9o9g0p.biz root at 9o9g0p.biz
b58tkm.biz ns1.b58tkm.biz root at b58tkm.biz
bl97k96.biz ns1.bl97k96.biz root at bl97k96.biz
cek2d1.biz ns1.cek2d1.biz root at cek2d1.biz
e65pqm.biz ns1.e65pqm.biz root at e65pqm.biz
xn--5nq25db5jvvvz23bwum.biz ns1.expiredns.net admin at xn--5nq25db5jvvvz23bwum.biz
xn--wbsy6n25nzt3b.biz ns1.expiredns.net admin at xn--wbsy6n25nzt3b.biz
febj3i.biz ns1.febj3i.biz root at febj3i.biz
g034e28.biz ns1.g034e28.biz root at g034e28.biz
ggjl28.biz ns1.ggjl28.biz root at ggjl28.biz
sdeics.biz ns1.sdeics.biz root at sdeics.biz
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