sys.lu - dns.ninja

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 2026-05-15 #1

lu

DNSSEC🔒 Signed (DS record present)
NS1.ns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-06-25 18:01:01
SOA1.ns.lunoc@restena.lu serial=1782403272

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.co.tz
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.club
sys.mobi
sys.pub
sys.builders
sys.care
sys.academy

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 → 2026-06-25 · 3 obs
○ 2009-01-15 08:09:16
● 2020-10-17 06:51:06
● 2026-06-25 16:29:38
●NSns1.root.lu2009-01-15 → 2026-06-25 · 2 obs
● 2009-01-15 08:09:16
● 2026-06-25 16:29:38
●NSns2.root.lu2009-01-15 → 2026-06-25 · 2 obs
● 2009-01-15 08:09:16
● 2026-06-25 16:29:38
○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
○ 2026-06-25 16:29:38
●MXmail.sys.lu2020-10-17 → 2026-06-25 · 3 obs
○ 2016-12-24 00:50:22
● 2020-10-17 06:51:06
● 2026-06-25 16:29:38
○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
○ 2026-06-25 16:29:38
○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
○ 2026-06-25 16:29:38
●A195.26.5.902026-02-23 → 2026-06-25 · 3 obs
○ 2020-12-04 09:51:48
● 2026-02-23 06:05:06
● 2026-06-25 16:29:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lup.dns.lu, j.dns.lu, g.dns.lu, k.dns.lu...14 records
sys.luns1.root.lu, ns2.root.lu, alpha.ns.network.lu2 records

✅ Authoritative Response

Server:195.26.4.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys.lu (unsigned zone)

⏱️ Timing

Total: 2352ms | Queries: -

📄 Records

TypeCountSample Data
A1195.26.5.90
NS3alpha.ns.network.lu, ns2.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: 16

In-bailiwick: 14 (p.dns.lu, p.dns.lu, j.dns.lu...)

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

Analysis

Hierarchy

The domain mail.sys.lu falls under the parent sys.lu.

IP Addresses

sys.lu resolves to just one IP address, 195.26.5.90.

Two other host names, along with volleyball.lu, mail.gaul.lu and mail.redrock-climbingcenter.lu, also share IP numbers with sys.lu.

Name Servers

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

At least some of sys.lu's name servers are shared with other domains, for example lmprog.com, construction.lu, poesie-web.eu and two more.

Host names that have two IP addresses:

The A records for ns1.root.lu return 195.26.4.3 and 2a01:608::3.

The A records for alpha.ns.network.lu return 213.196.40.85 and 2a05:93c0:1006:1010:f816:3eff:fe2e:1e52.

Host names that point to one IP address:

ns2.root.lu resolves to the IP address 83.243.8.3.

Mail Servers

The sole mail server for sys.lu is mail.sys.lu.

mail.sys.lu resolves to 195.26.5.90 and no other IP number.