lup.lu - robtex.com

lup.lu

DNSSEC⚠️ Not signed
A217.174.240.117🇬🇧 IONOS-AS217.174.240.0/20 Fasthosts Internet Ltd
PTRserver217-174-240-117.live-servers.net
NSa.ns.bytemark.co.uk ⭐
A2001:41c8:2::3🇬🇧 BYTEMARK-AS2001:41c8::/32 Bytemark Computer Consulting Ltd /32 IPv6 PA
PTRa.ns.bytemark.co.uk
A80.68.80.26🇬🇧 BYTEMARK-AS80.68.80.0/20 Bytemark Computer Consulting Ltd /20 PA
PTRa.ns.bytemark.co.uk
NSb.ns.bytemark.co.uk
A2001:1af8:4c00:4::78🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb
A85.17.170.78🇳🇱 LEASEWEB-NL-AMS-0185.17.0.0/16 LEASEWEB
PTRoffsite2.bytemark.co.uk
NSc.ns.bytemark.co.uk
A2001:41c8:2::5🇬🇧 BYTEMARK-AS2001:41c8::/32 Bytemark Computer Consulting Ltd /32 IPv6 PA
PTRc.ns.bytemark.co.uk
A80.68.80.27🇬🇧 BYTEMARK-AS80.68.80.0/20 Bytemark Computer Consulting Ltd /20 PA
PTRc.ns.bytemark.co.uk
MXmx.louple.com ⭐
A51.89.198.104🇬🇧 OVH51.89.0.0/16
PTRmx.louple.com
TXTv=spf1 a mx -all
SOAa.ns.bytemark.co.ukhostmaster@lup.lu serial=1784698667

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: 2026-07-22 07:01:01
SOA1.ns.lunoc@restena.lu serial=1784696472

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DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSa.ns.bytemark.co.ukb.ns.bytemark.co.ukc.ns.bytemark.co.ukMXmx.louple.comlouple.comA217.174.240.117
●NSa.ns.bytemark.co.uk2015-08-23 → 2026-07-22 · 2 obs
● 2015-08-23 15:30:36
● 2026-07-22 05:38:12
●NSb.ns.bytemark.co.uk2015-08-23 → 2026-07-22 · 2 obs
● 2015-08-23 15:30:36
● 2026-07-22 05:38:12
●NSc.ns.bytemark.co.uk2015-08-23 → 2026-07-22 · 2 obs
● 2015-08-23 15:30:36
● 2026-07-22 05:38:12
○MXlouple.com2015-08-23 → 2016-12-27 · 4 obs
● 2015-08-23 15:30:36
● 2016-12-27 03:08:04
○ 2026-06-10 00:58:06
○ 2026-07-22 05:38:12
●MXmx.louple.com2026-06-10 → 2026-07-22 · 3 obs
○ 2016-12-27 03:08:04
● 2026-06-10 00:58:06
● 2026-07-22 05:38:12
●A217.174.240.1172015-08-23 → 2026-07-22 · 2 obs
● 2015-08-23 15:30:36
● 2026-07-22 05:38:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
luk.dns.lu, g.dns.lu, r.ns.lu, p.dns.lu...14 records
lup.lua.ns.bytemark.co.uk, c.ns.bytemark.co.uk, b.ns.bytemark.co.uk-

✅ Authoritative Response

Server:80.68.80.27

NS records: a.ns.bytemark.co.uk, c.ns.bytemark.co.uk, b.ns.bytemark.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lup.lu (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

TypeCountSample Data
A1217.174.240.117
NS3a.ns.bytemark.co.uk, b.ns.bytemark.co.uk...
MX1mx.louple.com (pri: 10)
TXT1v=spf1 a mx -all
SOA1a.ns.bytemark.co.uk hostmaster.lup.lu

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (r.ns.lu, p.dns.lu, k.dns.lu...)

Analysis

IP Addresses

lup.lu directs to one IP number, which is 217.174.240.117.

Among the host names that share IP numbers with lup.lu are ns2.maint-tek.systems, server217-174-240-117.live-servers.net, gourd.louple.com and two others.

Name Servers

Three name servers are authoritative for lup.lu: a.ns.bytemark.co.uk, b.ns.bytemark.co.uk and c.ns.bytemark.co.uk.

lup.lu shares at least some of its name servers with other domains, including 185.16.89.in-addr.arpa, sportsprofitsystem.com, camping.systems and two others.

These name servers are frequently seen alongside the name servers ns0.musicbox.net, ns1.musicbox.net, ns2.musicbox.net and ns1.buggfix.se.

a.ns.bytemark.co.uk resolves to 80.68.80.26 and 2001:41c8:2::3. b.ns.bytemark.co.uk resolves to 85.17.170.78 and 2001:1af8:4c00:4::78. c.ns.bytemark.co.uk resolves to 80.68.80.27 and 2001:41c8:2::5. All three hostnames point to two IP numbers each.

Mail Servers

lup.lu routes its mail through a single mail server, mx.louple.com.

lup.lu and domains like louple.com share an identical mail server configuration.

There is one IP number for mx.louple.com: 51.89.198.104.