sys.lu - robtex.com

sys.lu

DNSSEC⚠️ Not signed
A195.26.5.90🇱🇺 ROOT195.26.4.0/23 root SA
PTRph002.site.lu
NSns1.root.lu ⭐
A2a01:608::3🇱🇺 ROOT2a01:608::/32 root SA
PTRa.root.lu
A195.26.4.3🇱🇺 ROOT195.26.4.0/23 root SA
PTRa.root.lu
NSalpha.ns.network.lu
A2a05:93c0:1006:1010:f816:3eff:fe2e:1e52🇳🇱 SERVERS2a05:93c0::/32 .COM NL01
A213.196.40.85🇳🇱 SERVERS213.196.40.0/24 .COM AMS1 CLOUD COMPUTING
PTRalpha.ns.network.lu
NSns2.root.lu
A83.243.8.3🇱🇺 ROOT83.243.8.0/21 root SA
PTRb.root.lu
MXmail.sys.lu ⭐
A195.26.5.90🇱🇺 ROOT195.26.4.0/23 root SA
PTRph002.site.lu
TXTv=spf1 +a +mx +a:ph002.site.lu +ip4:83.243.9.0/24 +ip4:195.26.4.0/23 +ip4:19...
SOAns1.root.lumike@quest.de 2026-03-20 #2

lu

DNSSEC🔒 Signed (DS record present)
NSns1.dns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
TXTExported: 2026-05-09 17:01:01
SOAns1.dns.lunoc@restena.lu serial=1778338873

Subdomains

mail.sys.lu

Same first word

sys.hu
sys.ms
sys.kim
sys.zone
sys.ba
sys.schwarz
sys.dk
sys.net
sys.vn
sys.com.mx
sys.in
sys.pl
sys.com.co
sys.ge
sys.zapto.org
sys.nl
sys.co.il
sys.me
sys.co.nz
sys.host
sys.ac
sys.net.tw
sys.com.my
sys.us
sys.ro
sys.report
sys.gdn
sys.systems
sys.group
sys.bio
sys.bet
sys.life
sys.fm
sys.fi
sys.jp
sys.support
sys.no
sys.hi.cn
sys.computer
sys.cc
sys.se
sys.co.jp
sys.lv
sys.uz
sys.com.py
sys.ma
sys.si
sys.co
sys.edu.hk
sys.net.tr
sys.cat
sys.es
sys.sg
sys.ad
sys.com.tr
sys.bg
sys.com.pe
sys.eti.br
sys.zip
sys.net.ru
sys.team
sys.ph
sys.goiania.br
sys.mx
sys.rocks
sys.social
sys.hk
sys.run
sys.sale
sys.md
sys.lc
sys.gr
sys.com.au
sys.net.mx
sys.ee
sys.lt
sys.net.pl
sys.best
sys.tax
sys.ltd
sys.net.nz
sys.js.cn
sys.guru
sys.ca
sys.com.gt
sys.de
sys.by
sys.dp.ua
sys.eu
sys.nu
sys.or.kr
sys.be
sys.com.ua
sys.ch
sys.ie
sys.one
sys.yt
sys.co.at
sys.sx
sys.solar
sys.as
sys.space
sys.ws
sys.com
sys.cool
sys.network
sys.org
sys.im
sys.cl
sys.codes
sys.biz
sys.red
sys.it.com
sys.co.kr
sys.mobi
sys.pub
sys.builders
sys.care
sys.hs.kr
sys.academy
sys.email

Similar names

ssy.eu
yss.fr
yss.de
ssy.sakura.ne.jp
yss.fi
ssy.onl
ssy.gob.mx
yss.se
yss.in
ssy.cc
ssy.pl
yss.com.br
yss.sg
yss.kr
ssy.ru
yss.cz
yss.co
ssy.co
yss.com.ua
ssy.com
yss.org
ssy.co.jp
ssy.mobi
ssy.cn.com
ssy.co.kr
ssy.us
ssy.asia
yss.no
yss.tv
yss.com.tr
yss.co.za
yss.info
yss.su
yss.ca
yss.mobi
yss.cn
yss.ac.th
yss.net
ssy.su

DNS History

8 records (5 active, 3 former)

201020122014201620182020202220242026NSalpha.ns.network.luns1.root.luns2.root.luMXmail.sys.lub.mx.root.luA195.26.5.90195.26.5.2195.26.5.50
●NSalpha.ns.network.lu2020-10-17 → 2026-05-09 · 3 obs
○ 2009-01-15 08:09:16
● 2020-10-17 06:51:06
● 2026-05-09 16:06:06
●NSns1.root.lu2009-01-15 → 2026-05-09 · 2 obs
● 2009-01-15 08:09:16
● 2026-05-09 16:06:06
●NSns2.root.lu2009-01-15 → 2026-05-09 · 2 obs
● 2009-01-15 08:09:16
● 2026-05-09 16:06:06
○MXb.mx.root.lu2009-01-15 → 2016-12-24 · 4 obs
● 2009-01-15 08:09:16
● 2016-12-24 00:50:22
○ 2020-10-17 06:51:06
○ 2026-05-09 16:06:06
●MXmail.sys.lu2020-10-17 → 2026-05-09 · 3 obs
○ 2016-12-24 00:50:22
● 2020-10-17 06:51:06
● 2026-05-09 16:06:06
○A195.26.5.22009-01-15 → 2016-12-24 · 4 obs
● 2009-01-15 08:09:16
● 2016-12-24 00:50:22
○ 2020-10-17 06:51:06
○ 2026-05-09 16:06:06
○A195.26.5.502020-10-17 → 2020-12-04 · 5 obs
○ 2016-12-24 00:50:22
● 2020-10-17 06:51:06
● 2020-12-04 09:51:48
○ 2026-02-23 06:05:06
○ 2026-05-09 16:06:06
●A195.26.5.902026-02-23 → 2026-05-09 · 3 obs
○ 2020-12-04 09:51:48
● 2026-02-23 06:05:06
● 2026-05-09 16:06:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
luns1.dns.lu, i.dns.lu, g.dns.lu, j.dns.lu...-
sys.lualpha.ns.network.lu, ns2.root.lu, ns1.root.lu2 records

✅ Authoritative Response

Server:83.243.8.3

NS records: alpha.ns.network.lu, ns2.root.lu, ns1.root.lu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys.lu (unsigned zone)

⏱️ Timing

Total: 1223ms | Queries: -

📄 Records

TypeCountSample Data
A1195.26.5.90
NS3ns2.root.lu, ns1.root.lu...
MX1mail.sys.lu (pri: 10)
TXT1v=spf1 +a +mx +a:ph002.site.lu +ip4:83.
SOA1ns1.root.lu mike.quest.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (alpha.ns.network.lu, alpha.ns.network.lu)

Analysis

Hierarchy

sys.lu is the parent of mail.sys.lu.

IP Addresses

sys.lu points to a single IP number: 195.26.5.90.

other host names for instance volleyball.lu, mail.gaul.lu, mail.redrock-climbingcenter.lu, redrock-climbingcenter.lu and ltpes.lu share IP numbers with sys.lu.

Name Servers

sys.lu is delegated to three name servers: ns1.root.lu, ns2.root.lu and alpha.ns.network.lu.

sys.lu at least partially shares name servers with other domains, for instance lmprog.com, construction.lu, poesie-web.eu, bierlair.org and webdir.lu.

Host names with two IP numbers:

ns1.root.lu points to 2a01:608::3 and 195.26.4.3.

alpha.ns.network.lu points to 2a05:93c0:1006:1010:f816:3eff:fe2e:1e52 and 213.196.40.85.

Host names with one IP number:

ns2.root.lu points to 83.243.8.3.

Mail Servers

sys.lu is handled by a single mail server, mail.sys.lu.

Host name mail.sys.lu points to IP address 195.26.5.90.