atum.lu - robtex.com
atum.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 ⚠️ Not in parent delegation | ||||||
| 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 | b.mx.root.lu ⭐ | ||||||
| A | 195.26.4.9🇱🇺 ROOT195.26.4.0/23 root SA | ||||||
| PTR | smtp.mx.root.lu | ||||||
| TXT | v=spf1 mx a ip4:83.243.9.0/24 ip4:195.26.4.0/23 -all | ||||||
| SOA | ns1.root.luadmin@root.lu serial=1690228056 | ||||||
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: 2026-07-26 20:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1785088873 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSalpha.ns.network.lu2026-06-11 → 2026-07-26 · 2 obs
● 2026-07-26 18:51:02
●MXb.mx.root.lu2026-06-11 → 2026-07-26 · 2 obs
● 2026-07-26 18:51:02
●A195.26.5.22026-06-11 → 2026-07-26 · 2 obs
● 2026-07-26 18:51:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | 1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu... | - |
| atum.lu | ns2.root.lu, ns1.root.lu | - |
✅ Authoritative Response
Server:83.243.8.3
NS records: ns2.root.lu, ns1.root.lu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for atum.lu (unsigned zone)
⏱️ Timing
Total: 1043ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.26.5.2 |
| NS | 3 | alpha.ns.network.lu, ns2.root.lu... |
| MX | 1 | b.mx.root.lu (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:83.243.9.0/24 ip4:195.26 |
| SOA | 1 | ns1.root.lu admin.root.lu |
Analysis
IP Addresses
atum.lu resolves to just one IP address, 195.26.5.2.
Two other host names, along with cmp.lu, computerdokter.lu and cross-mentoring.net, also share IP numbers with atum.lu.
Name Servers
atum.lu is delegated to three name servers: ns1.root.lu, ns2.root.lu and alpha.ns.network.lu.
atum.lu shares at least some of its name servers with other domains, including super8.lu, rendulic.lu, scde.lu and two others.
Host names that have two IP addresses:
ns1.root.lu points to 195.26.4.3 and 2a01:608::3.
alpha.ns.network.lu points 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 points to 83.243.8.3.
Mail Servers
The sole mail server for atum.lu is b.mx.root.lu.
Among the domains sharing a mail server setup with atum.lu are tuys.lu, cducsu.lu, kayak.lu and two others.
atum.lu shares at least some of its mail servers with other domains, such as softwareunion.lu.
b.mx.root.lu resolves to a single IP number: 195.26.4.9.