dev.lu - dns.ninja

`dev.lu`

	DNSSEC	⚠️ Not signed
	A	195.24.74.4
	NS	`ns1.root.lu` ⭐
	NS	`alpha.ns.network.lu`
	NS	`ns2.root.lu`
	MX	`mx.dev.lu` ⭐
	TXT	`v=spf1 ip4:195.26.4.0/23 ip4:195.24.74.0/24 ip6:2a01:608::/32 -all`
	SOA	`ns1.root.lu`admin@root.lu serial=1749369481

`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: 2026-07-23 08:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1784786472

Subdomains

mx.dev.lu

rss.dev.lu

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DNS History

6 records (5 active, 1 former)

●NSalpha.ns.network.lu2026-02-27 → 2026-07-23 · 3 obs

○ 2015-07-23 05:09:28
● 2026-02-27 00:26:32
● 2026-07-23 07:09:06

●NSns1.root.lu2015-07-23 → 2026-07-23 · 2 obs

● 2015-07-23 05:09:28
● 2026-07-23 07:09:06

●NSns2.root.lu2015-07-23 → 2026-07-23 · 2 obs

● 2015-07-23 05:09:28
● 2026-07-23 07:09:06

●MXmx.dev.lu2026-02-27 → 2026-07-23 · 2 obs

● 2026-02-27 00:26:32
● 2026-07-23 07:09:06

●A195.24.74.42026-02-27 → 2026-07-23 · 3 obs

○ 2017-10-22 11:48:06
● 2026-02-27 00:26:32
● 2026-07-23 07:09:06

○A195.26.5.22015-07-23 → 2017-10-22 · 4 obs

● 2015-07-23 05:09:28
● 2017-10-22 11:48:06
○ 2026-02-27 00:26:32
○ 2026-07-23 07:09:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	j.dns.lu, p.dns.lu, r.ns.lu, g.dns.lu...	14 records
dev.lu	ns1.root.lu, alpha.ns.network.lu, ns2.root.lu	2 records

✅ Authoritative Response

Server:195.26.4.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dev.lu (unsigned zone)

⏱️ Timing

Total: 3854ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.24.74.4`
NS	3	`ns1.root.lu, alpha.ns.network.lu...`
MX	1	`mx.dev.lu (pri: 10)`
TXT	1	`v=spf1 ip4:195.26.4.0/23 ip4:195.24.74.0`
SOA	1	`ns1.root.lu admin.root.lu`

📌 Glue Records Collected

Total: 16

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

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

Analysis

Hierarchy

dev.lu is the parent domain of mx.dev.lu and rss.dev.lu.

IP Addresses

dev.lu points to a single IP number: 195.24.74.4.

Name Servers

The authoritative name servers for dev.lu are ns1.root.lu, ns2.root.lu and alpha.ns.network.lu — three in total.

Mail Servers

dev.lu has one mail server: mx.dev.lu.