[dns-operations] 答复: Curiousity, many all numeric sub-domains of .cn?

Viktor Dukhovni ietf-dane at dukhovni.org
Wed Jun 6 04:41:00 UTC 2018



> On Mar 6, 2018, at 12:06 AM, John Levine <johnl at taugh.com> wrote:
> 
>> 5.	So many (sub) domains construct a very complex web, which search engineӮs bots are stuck in it. This blackhat SEO named ӡspider poolӱ
>> 
>> there is a excellent paper describe "spider pool":
>> https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_du.pdf
> 
> Ah, that's what they're called.
> 
> I have a little sample one at http://www.web.sp.am

75% of newish domains under .biz appear to be a new spider pool
(or some sort of malware) at least ~170k domains strong.  Small sample:

azbekml.biz azbekml.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
fzlnpj.biz fzlnpj.biz SOA ns3.dnsdun.com ns3 at dnsdun.com
nfbdjt.biz nfbdjt.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
mukhbnq.biz mukhbnq.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
ffptdn.biz ffptdn.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
ftdttb.biz ftdttb.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
wjthlzq.biz wjthlzq.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
jrxbtp.biz jrxbtp.biz SOA ns3.dnsdun.com ns3 at dnsdun.com
blxjrv.biz blxjrv.biz SOA ns3.dnsdun.com ns3 at dnsdun.com
fptxdl.biz fptxdl.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
fhdpllv.biz fhdpllv.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
brjfpz.biz brjfpz.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
ejxekgm.biz ejxekgm.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
mhtnf.biz mhtnf.biz SOA ns2.dnsdun.com ns2 at dnsdun.com
ptycwyz.biz ptycwyz.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
sekau.biz sekau.biz SOA ns1.dnsdun.com ns1 at dnsdun.com
dpbftn.biz dpbftn.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
wgzhllz.biz wgzhllz.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
aaxebtx.biz aaxebtx.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
gbvoedg.biz gbvoedg.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
hpthdj.biz hpthdj.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
tgojnfy.biz tgojnfy.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
xvxptf.biz xvxptf.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
liydbwn.biz liydbwn.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
utxgc.biz utxgc.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
qeyfa.biz qeyfa.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
etofjmh.biz etofjmh.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
rfbxpl.biz rfbxpl.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
fxrrbb.biz fxrrbb.biz SOA ns5.dnsdun.com ns5 at dnsdun.com
ltnrfz.biz ltnrfz.biz SOA ns6.dnsdun.com ns6 at dnsdun.com
mgtysxj.biz mgtysxj.biz SOA ns4.dnsdun.com ns4 at dnsdun.com
kqvdhnj.biz kqvdhnj.biz SOA ns4.dnsdun.com ns4 at dnsdun.com


-- 
	Viktor.





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