study.lu - dns.ninja

`study.lu`

DNSSEC	⚠️ Not signed
A	146.0.160.170^{🇱🇺 EPT-LU146.0.128.0/18}
NS	`ns1.eurodns.com` ⭐
		A	2610:1c8:b002::107^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
		A	199.167.66.107^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns1.eurodns.com`
NS	`ns2.eurodns.com`
		A	2610:1c8:b001::107^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
		A	104.37.178.107^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns2.eurodns.com`
NS	`ns3.eurodns.com`
		A	2610:1c8:b002::108^{🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
		A	199.167.66.108^{🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns3.eurodns.com`
NS	`ns4.eurodns.com`
		A	2610:1c8:b001::108^{🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
		A	104.37.178.108^{🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States}
			PTR	`ns4.eurodns.com`
SOA	`ns1.eurodns.com`hostmaster@eurodns.com 2025-10-22 #1

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`1.ns.lu` ⚠️ Not in parent delegation
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-06-16 20:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1781632872

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DNS History

13 records (5 active, 8 former)

○NSdns18.ovh.net2015-06-07 → 2017-12-12 · 4 obs

● 2015-06-07 22:20:32
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

●NSns1.eurodns.com2026-02-27 → 2026-06-16 · 3 obs

○ 2017-12-12 07:10:34
● 2026-02-27 08:27:34
● 2026-06-16 18:52:50

○NSns18.ovh.net2015-06-07 → 2017-12-12 · 4 obs

● 2015-06-07 22:20:32
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

●NSns2.eurodns.com2026-02-27 → 2026-06-16 · 3 obs

○ 2017-12-12 07:10:34
● 2026-02-27 08:27:34
● 2026-06-16 18:52:50

●NSns3.eurodns.com2026-02-27 → 2026-06-16 · 3 obs

○ 2017-12-12 07:10:34
● 2026-02-27 08:27:34
● 2026-06-16 18:52:50

●NSns4.eurodns.com2026-02-27 → 2026-06-16 · 3 obs

○ 2017-12-12 07:10:34
● 2026-02-27 08:27:34
● 2026-06-16 18:52:50

○MXmx1.ovh.net2015-06-07 → 2017-12-12 · 4 obs

● 2015-06-07 22:20:32
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

○MXmx2.ovh.net2015-06-07 → 2017-12-12 · 4 obs

● 2015-06-07 22:20:32
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

○MXmxb.ovh.net2015-06-07 → 2017-12-12 · 4 obs

● 2015-06-07 22:20:32
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

●A146.0.160.1702026-02-27 → 2026-06-16 · 3 obs

○ 2017-12-12 07:10:34
● 2026-02-27 08:27:34
● 2026-06-16 18:52:50

○A2001:41d0:1:1b00:213:186:33:192016-09-24 → 2017-12-12 · 5 obs

○ 2016-04-08 12:59:22
● 2016-09-24 02:53:26
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

○A213.186.33.192016-09-24 → 2017-12-12 · 5 obs

○ 2016-04-08 12:59:22
● 2016-09-24 02:53:26
● 2017-12-12 07:10:34
○ 2026-02-27 08:27:34
○ 2026-06-16 18:52:50

○A87.98.255.192015-06-07 → 2016-04-08 · 4 obs

● 2015-06-07 22:20:32
● 2016-04-08 12:59:22
○ 2016-09-24 02:53:26
○ 2026-06-16 18:52:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	p.dns.lu, j.dns.lu, g.dns.lu, ns1.dns.lu...	12 records
study.lu	ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com	-

✅ Authoritative Response

Server:104.37.178.108

NS records: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.lu (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.0.160.170`
NS	4	`ns1.eurodns.com, ns2.eurodns.com...`
SOA	1	`ns1.eurodns.com hostmaster.eurodns.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (p.dns.lu, p.dns.lu, j.dns.lu...)

Analysis

IP Addresses

study.lu directs to one IP number, which is 146.0.160.170.

The host names loisir.lu, lepicerie.lu, maison.lu and habiter.lu all share IP numbers with study.lu.

Name Servers

The domain study.lu is delegated to these four name servers: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com.

study.lu has at least partial name server overlap with other domains, such as codeka.be, s-j.lu, bytepac.de and two others.

ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com all point to exactly two IP numbers each: ns1.eurodns.com → 199.167.66.107 and 2610:1c8:b002::107; ns2.eurodns.com → 104.37.178.107 and 2610:1c8:b001::107; ns3.eurodns.com → 199.167.66.108 and 2610:1c8:b002::108; ns4.eurodns.com → 104.37.178.108 and 2610:1c8:b001::108.