`hack.lu`

DNSSEC	⚠️ Not signed
A	2a00:5980:93::128^{🇱🇺 CIRCL2a00:5980::/32 - LU-CIX IP SUBNET}
A	185.194.93.128^{🇱🇺 CIRCL185.194.92.0/22}
NS	`kb.quuxlabs.com` ⭐
		A	2a02:21d0::68:69:25^{🇧🇪 MAEHDROS-AS2a02:21d0::/32 Maehdros Hosting}
			PTR	`kb.quuxlabs.com`
		A	188.65.220.25^{🇧🇪 MAEHDROS-AS188.65.216.0/21 Maehdros-NET}
			PTR	`kb.quuxlabs.com`
NS	`ns6.gandi.net`
		A	2001:4b98:d:1::4b^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns6.gandi.net`
		A	217.70.177.42^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`ns6.gandi.net`
MX	`tickets.circl.lu` ⭐
		A	2a00:5980:93::215^{🇱🇺 CIRCL2a00:5980::/32 - LU-CIX IP SUBNET}
		A	185.194.93.215^{🇱🇺 CIRCL185.194.92.0/22}
			PTR	`tickets.circl.lu`
TXT	`google-site-verification=sQt7wfLRT-MyHuBKlxzvP2ZrrN2cWWUUj_assONIZnE`
TXT	`v=spf1 a include:gmail.com mx ip4:91.121.153.35 ip4:185.194.93.215 ip6:2001:4...`
SOA	`kb.quuxlabs.com`adulau@foo.be 2026-02-27 #1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-08-11 02:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1786406472

rank #288730 globally
rank #65 in the tld

hack.lu

hack.lu is the official domain of an annual information security conference held in Luxembourg, organized by the non-profit CSRC (Computer Security Research Center) / CIRCL-affiliated community since the mid-2000s. It is used to host conference information, schedules, calls for papers, and archives of past editions.

Key facts

Owner / operator: hack.lu organizing association (Luxembourg-based information security community, linked to CIRCL — Computer Incident Response Center Luxembourg)
TLD:.lu— Luxembourg
Primary purpose: information security conference website
Status: active

History

Year	Event
2005	First hack.lu conference held in Luxembourg
2010	Conference established as a recurring annual fixture in the European infosec calendar
2020	Edition adapted due to COVID-19 pandemic

Related domains

circl.lu— Computer Incident Response Center Luxembourg, closely associated with organizing the event
misp-project.org— threat intelligence sharing platform associated with the same community

Subdomains

2009.hack.lu

2012.hack.lu

www.hack.lu

wiki.hack.lu

2014.hack.lu

2015.hack.lu

2010.hack.lu

2016.hack.lu

2013.hack.lu

2011.hack.lu

2017.hack.lu

Same first word

hack.no

hack.lat

hack.cm

hack.ag

hack.events

hack.la

hack.institute

hack.net

hack.cafe

hack.systems

hack.dk

hack.nl

hack.(0x787878)

hack.se

hack.money

hack.plus

hack.org

hack.im

hack.blue

hack.idv.tw

hack.pro

hack.ch

hack.cash

hack.boston

hack.supply

hack.co.id

hack.in

hack.it

hack.am

hack.exchange

hack.id

hack.capital

hack.rs

hack.ph

hack.cl

hack.ac.id

hack.su

hack.party

hack.world

hack.de

hack.pl

hack.cn

hack.top

hack.finance

hack.zone

hack.bz

hack.si

hack.my

hack.li

hack.directory

hack.moscow

hack.pt

hack.vc

hack.cx

hack.cards

hack.ski

hack.hu

hack.bike

hack.omg.lol

hack.community

hack.chat

hack.ovh

hack.is

hack.id.au

hack.net.au

hack.nu

hack.tw

hack.co.jp

hack.poker

hack.lgbt

hack.support

hack.com.pl

hack.technology

hack.cc

hack.net.pl

hack.training

hack.lt

hack.engineering

hack.gt

hack.one

hack.land

hack.academy

hack.ee

hack.consulting

hack.co.uk

hack.gr

hack.melbourne

hack.guide

hack.pr

hack.me

hack.gov.sg

hack.wtf

hack.re

hack.com.au

hack.so

hack.es

hack.tc

hack.ae

hack.tv

hack.bg

Similar names

hkac.org.hk

kahc.co.ke

kach.in

khac.net

kcah.com

kach.ch

khac.or.kr

kach.nl

ckha.com

khac.jp

hkca.org.hk

chak.me

chak.be

kcha.com

kach.de

kcah.co.uk

achk.ir

kach.com.tw

kach.nu

hkca.net

hkac.net

khac.com

cahk.org.hk

chak.org

hakc.ru

chka.se

hkac.hk

kcha.co.uk

khac.com.vn

hkac.com

chak.de

akch.cz

ackh.de

khca.com

kach.email

chak.co.uk

khac.de

chka.com

khac.ru

chka.ir

hcka.com.cn

chak.xyz

chak.or.ke

chak.com.au

hkca.cn

hack.fo

kach.tw

hack.eu

DNS History

11 records (5 active, 6 former)

○NSka.quuxlabs.com2015-06-20 → 2016-03-06 · 4 obs

● 2015-06-20 15:44:06
● 2016-03-06 15:11:32
○ 2016-03-13 20:48:14
○ 2026-08-11 00:53:46

●NSkb.quuxlabs.com2016-03-13 → 2026-08-11 · 3 obs

○ 2016-03-06 15:11:32
● 2016-03-13 20:48:14
● 2026-08-11 00:53:46

●NSns6.gandi.net2015-06-20 → 2026-08-11 · 2 obs

● 2015-06-20 15:44:06
● 2026-08-11 00:53:46

○MXmail.foo.be2015-06-20 → 2021-06-25 · 4 obs

● 2015-06-20 15:44:06
● 2021-06-25 22:07:22
○ 2026-02-17 09:21:54
○ 2026-08-11 00:53:46

●MXtickets.circl.lu2026-02-17 → 2026-08-11 · 3 obs

○ 2021-06-25 22:07:22
● 2026-02-17 09:21:54
● 2026-08-11 00:53:46

●A185.194.93.1282026-02-17 → 2026-08-11 · 3 obs

○ 2021-06-25 22:07:22
● 2026-02-17 09:21:54
● 2026-08-11 00:53:46

○A188.65.217.782015-06-20 → 2016-03-23 · 4 obs

● 2015-06-20 15:44:06
● 2016-03-23 07:58:00
○ 2016-04-16 03:13:22
○ 2026-08-11 00:53:46

○A188.65.220.252016-04-16 → 2021-06-25 · 5 obs

○ 2016-03-23 07:58:00
● 2016-04-16 03:13:22
● 2021-06-25 22:07:22
○ 2026-02-17 09:21:54
○ 2026-08-11 00:53:46

○A2001:6f8:202:2df::22015-06-20 → 2016-03-23 · 4 obs

● 2015-06-20 15:44:06
● 2016-03-23 07:58:00
○ 2016-04-16 03:13:22
○ 2026-08-11 00:53:46

●A2a00:5980:93::1282026-02-17 → 2026-08-11 · 3 obs

○ 2021-06-25 22:07:22
● 2026-02-17 09:21:54
● 2026-08-11 00:53:46

○A2a02:21d0::68:69:252016-04-16 → 2021-06-25 · 5 obs

○ 2016-03-23 07:58:00
● 2016-04-16 03:13:22
● 2021-06-25 22:07:22
○ 2026-02-17 09:21:54
○ 2026-08-11 00:53:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...	-
hack.lu	ns6.gandi.net, kb.quuxlabs.com	-

✅ Authoritative Response

Server:188.65.220.25

NS records: ns6.gandi.net, kb.quuxlabs.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hack.lu (unsigned zone)

⏱️ Timing

Total: 1318ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.194.93.128`
AAAA	1	`2a00:5980:93::128`
NS	2	`kb.quuxlabs.com, ns6.gandi.net`
MX	1	`tickets.circl.lu (pri: 10)`
TXT	2	`google-site-verification=sQt7wfLRT-MyHuB, v=spf1 a include:gmail.com mx ip4:91.121`
SOA	1	`kb.quuxlabs.com adulau.foo.be`

Analysis

Hierarchy

hack.lu serves as parent to 2009.hack.lu, 2012.hack.lu, www.hack.lu, wiki.hack.lu, 2014.hack.lu along with a few other host names.

IP Addresses

hack.lu directs to two IP numbers, 185.194.93.128 and 2a00:5980:93::128

Additional host names — misp.software, misp-project.org, misp-galaxy.org and two others — share IP numbers with hack.lu.

Name Servers

The NS records for hack.lu delegate to kb.quuxlabs.com and ns6.gandi.net.

hack.lu shares its name server setup with other domains, including thinkingsecure.com, ael.be, lesbulles.be and two others.

hack.lu has at least partial name server overlap with other domains, such as mathsuccess.com, archives-manche.fr, igalia.org and two others.

ns1.darkness-reigns.net, ns3.darkness-reigns.net and ns2.darkness-reigns.nl — plus 7 other name servers — are commonly paired with these name servers.

kb.quuxlabs.com resolves to 188.65.220.25 and 2a02:21d0::68:69:25. Likewise, ns6.gandi.net resolves to 217.70.177.42 and 2001:4b98:d:1::4b — two IP addresses apiece.

Mail Servers

hack.lu has one mail server: tickets.circl.lu.

hack.lu shares its mail server setup with other domains, such as gcve.eu.

tickets.circl.lu has two IP addresses: 185.194.93.215 and 2a00:5980:93::215.

hack.lu - robtex.com

hack.lu

lu

hack.lu

Key facts

History

Related domains

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`hack.lu`

`lu`