ruby.lu - dns.ninja

`ruby.lu`

DNSSEC	⚠️ Not signed
A	195.26.5.2^{🇱🇺 ROOT195.26.4.0/23 root SA}
		PTR	`site.lu`
NS	`ns1.root.lu` ⭐
		A	2a01:608::3^{🇱🇺 ROOT2a01:608::/32 root SA}
			PTR	`a.root.lu`
		A	195.26.4.3^{🇱🇺 ROOT195.26.4.0/23 root SA}
			PTR	`a.root.lu`
NS	`alpha.ns.network.lu`
		A	2a05:93c0:1006:1010:f816:3eff:fe2e:1e52^{🇳🇱 SERVERS2a05:93c0::/32 .COM NL01}
		A	213.196.40.85^{🇳🇱 SERVERS213.196.40.0/24 .COM AMS1 CLOUD COMPUTING}
			PTR	`alpha.ns.network.lu`
NS	`ns2.root.lu`
		A	83.243.8.3^{🇱🇺 ROOT83.243.8.0/21 root SA}
			PTR	`b.root.lu`
TXT	`v=spf1 mx a ip4:83.243.9.0/24 ip4:195.26.4.0/23`
SOA	`ns1.root.lu`admin@root.lu serial=1776682441

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-06-04 15:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1780578073

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DNS History

4 records (4 active, 0 former)

●NSalpha.ns.network.lu2021-01-10 → 2026-06-04 · 3 obs

○ 2015-08-22 14:16:48
● 2021-01-10 21:41:10
● 2026-06-04 14:08:26

●NSns1.root.lu2015-08-22 → 2026-06-04 · 2 obs

● 2015-08-22 14:16:48
● 2026-06-04 14:08:26

●NSns2.root.lu2015-08-22 → 2026-06-04 · 2 obs

● 2015-08-22 14:16:48
● 2026-06-04 14:08:26

●A195.26.5.22015-08-22 → 2026-06-04 · 2 obs

● 2015-08-22 14:16:48
● 2026-06-04 14:08:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	12 records
ruby.lu	ns1.root.lu, ns2.root.lu, alpha.ns.network.lu	2 records

✅ Authoritative Response

Server:83.243.8.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruby.lu (unsigned zone)

⏱️ Timing

Total: 2987ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.26.5.2`
NS	3	`ns2.root.lu, ns1.root.lu...`
TXT	1	`v=spf1 mx a ip4:83.243.9.0/24 ip4:195.26`
SOA	1	`ns1.root.lu admin.root.lu`

📌 Glue Records Collected

Total: 14

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

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

Analysis

IP Addresses

ruby.lu has exactly one IP address — 195.26.5.2.

schalke.lu, platinum-distribution.lu, www.yangming.lu plus two other host names have IP numbers in common with ruby.lu.

Name Servers

Three name servers are authoritative for ruby.lu: ns1.root.lu, ns2.root.lu and alpha.ns.network.lu.

There is at least partial name server overlap between ruby.lu and other domains — rom.lu, musikgemengbauschelt.lu, playersinarms.eu and two more among them.

These name servers frequently co-occur with the name servers ns1.myhost.lu and ns2.myhost.lu.

Host names pointing to two IP addresses:

ns1.root.lu maps to two IP addresses — 195.26.4.3 and 2a01:608::3.

alpha.ns.network.lu maps to two IP addresses — 213.196.40.85 and 2a05:93c0:1006:1010:f816:3eff:fe2e:1e52.

Host names with one IP number:

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