Friday, October 17, 2014

Domain: nlhosting.nl

Domain: nlhosting.nl

If you are seeing queries for this domain, than you are likely participating in DNS Amplification attacks and your DNS server is probably reachable from the internet and has recursion enabled.

If you are seeing responses for this domain.. unlucky. You are currently beeing DDOS-ed! Good luck.


IPtables:


There are two iptable rules available. If your distribution supports Iptables 'u32' module pick this one, otherwise use the 'string' rule.

U32:
iptables --insert INPUT -p udp --dport 53 -m u32 --u32 "0x28&0xFFDFDFDF=0x094e4c48 && 0x2c&0xDFDFDFDF=0x4f535449 && 0x30&0xDFDFFFDF=0x4e47024e && 0x34&0xDFFFFFFF=0x4c0000FF" -j DROP -m comment --comment "DROP DNS Q nlhosting.nl"

More U32 rules can be found here:

https://github.com/smurfmonitor/dns-iptables-rules/blob/master/domain-blacklist.txt

String:
iptables --insert INPUT -p udp --dport 53 -m string --from 40 --to 56 --algo bm --hex-string '|096e6c686f7374696e67026e6c0000ff|' -j DROP -m comment --comment "DROP DNS Q nlhosting.nl"
More Iptables rules for the STRING module can be found here:


https://github.com/smurfmonitor/dns-iptables-rules/blob/master/domain-blacklist-string.txt

Source:


No IP source for this domain

Name server:


;; ANSWER SECTION:
nlhosting.nl. 10799 IN NS ns.nlhosting.net.
nlhosting.nl. 10799 IN NS ns1.nlhosting.net.


Response:


A 14
DNSKEY 4
MX 4
NS 9
NSEC3PARAM 2
RRSIG 9
SOA 2
TXT 2
TYPE65534 3
Rsize 3635


Whois


Domain name: nlhosting.nl
Status: active

Registrar:
NL Hosting Internet Solutions bv
Kerkstraat 1
6669DA DODEWAARD
Netherlands

DNSSEC: yes

Domain nameservers:
ns.nlhosting.net
ns1.nlhosting.net

Record maintained by: NL Domain Registry

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permission of the Foundation for Internet Domain Registration in the
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These restrictions apply equally to registrars, except in that
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Registrars.
Any use of this material for advertising, targeting commercial offers or
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action. Anyone who is aware or suspects that such activities are taking
place is asked to inform the Foundation for Internet Domain Registration
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(SIDN) Dutch Copyright Act, protection of authors' rights (Section 10,
subsection 1, clause 1).



1 comment:

  1. Great article, it was very helpful! I just started in this and I'm getting to know it better! Cheers, keep up the good work!
    Domain Registration

    ReplyDelete