dev.lu - robtex.com
dev.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 195.24.74.4🇱🇺 ROOT195.24.72.0/21 root SA | ||||||
| PTR | x4.bierlair.com | ||||||
| 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 | ||||||
| MX | mx.dev.lu ⭐ | ||||||
| A | 195.24.74.4🇱🇺 ROOT195.24.72.0/21 root SA | ||||||
| PTR | x4.bierlair.com | ||||||
| TXT | v=spf1 ip4:195.26.4.0/23 ip4:195.24.74.0/24 ip6:2a01:608::/32 -all | ||||||
| SOA | ns1.root.luadmin@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: 2026-07-04 09:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1783148472 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSalpha.ns.network.lu2026-02-27 → 2026-07-04 · 3 obs
● 2026-02-27 00:26:32
● 2026-07-04 08:17:24
●MXmx.dev.lu2026-02-27 → 2026-07-04 · 2 obs
● 2026-07-04 08:17:24
●A195.24.74.42026-02-27 → 2026-07-04 · 3 obs
● 2026-02-27 00:26:32
● 2026-07-04 08:17:24
○A195.26.5.22015-07-23 → 2017-10-22 · 4 obs
● 2017-10-22 11:48:06
○ 2026-02-27 00:26:32
○ 2026-07-04 08:17:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | p.dns.lu, j.dns.lu, g.dns.lu, k.dns.lu... | 14 records |
| dev.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 dev.lu (unsigned zone)
⏱️ Timing
Total: 992ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.24.74.4 |
| NS | 3 | ns1.root.lu, ns2.root.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 (p.dns.lu, p.dns.lu, j.dns.lu...)
Out-of-bailiwick: 2 (alpha.ns.network.lu, alpha.ns.network.lu)
Analysis
Hierarchy
mx.dev.lu and rss.dev.lu each fall under dev.lu as their parent domain.
IP Addresses
dev.lu resolves to just one IP address, 195.24.74.4.
Two other host names, along with effects.lu, bierlair.com and globi.lu, also share IP numbers with dev.lu.
Name Servers
The authoritative name servers for dev.lu are ns1.root.lu, ns2.root.lu and alpha.ns.network.lu — three in total.
The name servers of dev.lu overlap at least partially with those of other domains — among them lcpartners.lu, alvisse.lu, andy.lu and two more.
Host names that have two IP addresses:
ns1.root.lu directs traffic to 195.26.4.3 and 2a01:608::3.
alpha.ns.network.lu directs traffic to 213.196.40.85 and 2a05:93c0:1006:1010:f816:3eff:fe2e:1e52.
Host names that point to one IP address:
ns2.root.lu has the IP address 83.243.8.3.
Mail Servers
The sole mail server for dev.lu is mx.dev.lu.
mx.dev.lu directs to just one IP number, 195.24.74.4.