ruby.lu - robtex.com
ruby.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.26.5.2🇱🇺 AS5577195.26.4.0/23 root SA | ||||||
| PTR | site.lu | ||||||
| NS | ns1.root.lu ⭐ | ||||||
| A | 2a01:608::3🇱🇺 AS55772a01:608::/32 | ||||||
| PTR | a.root.lu | ||||||
| A | 195.26.4.3🇱🇺 AS5577195.26.4.0/23 root SA | ||||||
| PTR | a.root.lu | ||||||
| NS | alpha.ns.network.lu | ||||||
| A | 2a05:93c0:1006:1010:f816:3eff:fe2e:1e52 | ||||||
| A | 213.196.40.85 | ||||||
| NS | ns2.root.lu | ||||||
| A | 83.243.8.3 | ||||||
| TXT | v=spf1 mx a ip4:83.243.9.0/24 ip4:195.26.4.0/23 | ||||||
| SOA | ns1.root.luadmin@root.lu serial=1776682441 | ||||||
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: 2026-07-02 15:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1782997272 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSalpha.ns.network.lu2021-01-10 → 2026-07-02 · 3 obs
● 2021-01-10 21:41:10
● 2026-07-02 13:38:36
●A195.26.5.22015-08-22 → 2026-07-02 · 2 obs
● 2026-07-02 13:38:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | 14 records |
| ruby.lu | ns1.root.lu, ns2.root.lu, alpha.ns.network.lu | 2 records |
✅ Authoritative Response
Server:213.196.40.85
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: 3697ms | 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: 16
In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.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.
ruby.lu has at least partial name server overlap with other domains, such as rom.lu, musikgemengbauschelt.lu, playersinarms.eu and two others.
It is common to see these name servers used together with 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 resolving to a single IP address:
ns2.root.lu points to the IP address 83.243.8.3.