formation-continue.lu - dns.ninja
formation-continue.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 158.64.75.16🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| PTR | redirect.edulink.lu | ||||||
| NS | ns1.cgie.lu ⭐ | ||||||
| A | 158.64.89.4🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| PTR | ns1.cgie.lu | ||||||
| NS | ns1.restena.lu | ||||||
| A | 2001:a18:1::23🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA | ||||||
| PTR | ns1.restena.lu | ||||||
| A | 158.64.1.23🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| NS | ns2.cgie.lu | ||||||
| A | 158.64.89.5🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| PTR | ns2.cgie.lu | ||||||
| NS | ns2.restena.lu | ||||||
| A | 2a04:c46:e00:e7a1:477:a6ff:fe00:afb🇨🇭 exoscale2a04:c46::/32 | ||||||
| PTR | ns2.restena.lu | ||||||
| A | 91.92.119.210🇩🇪 exoscale91.92.118.0/23 | ||||||
| PTR | ns2.restena.lu | ||||||
| MX | smtpgate1.restena.lu ⭐ | ||||||
| A | 2001:a18:1::58🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA | ||||||
| PTR | smtpgate1.restena.lu | ||||||
| A | 158.64.1.58🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| PTR | smtpgate1.restena.lu | ||||||
| MX | smtpgate2.restena.lu ⭐ | ||||||
| A | 2001:a18:1::59🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA | ||||||
| PTR | smtpgate2.restena.lu | ||||||
| A | 158.64.1.59🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA | ||||||
| PTR | smtpgate2.restena.lu | ||||||
| TXT | v=spf1 include:_spf.restena.lu ~all | ||||||
| SOA | ns1.cgie.luhostmaster@men.lu 2024-04-22 #2 | ||||||
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: 2026-06-27 13:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1782558072 | ||||||
PTR for
Subdomains
www.formation-continue.lu |
Same first word
DNS History
8 records (7 active, 1 former)
●NSns1.restena.lu2015-08-10 → 2026-06-27 · 2 obs
● 2026-06-27 11:59:14
●NSns2.restena.lu2015-08-10 → 2026-06-27 · 2 obs
● 2026-06-27 11:59:14
●MXsmtpgate1.restena.lu2015-08-10 → 2026-06-27 · 2 obs
● 2026-06-27 11:59:14
●MXsmtpgate2.restena.lu2015-08-10 → 2026-06-27 · 2 obs
● 2026-06-27 11:59:14
○A158.64.75.112015-08-10 → 2016-05-04 · 4 obs
● 2016-05-04 08:28:02
○ 2026-03-15 16:53:26
○ 2026-06-27 11:59:14
●A158.64.75.162026-03-15 → 2026-06-27 · 3 obs
● 2026-03-15 16:53:26
● 2026-06-27 11:59:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | p.dns.lu, j.dns.lu, g.dns.lu, i.dns.lu... | 14 records |
| formation-continue.lu | ns1.cgie.lu, ns1.restena.lu, ns2.cgie.lu, ns2.restena.lu | 6 records |
✅ Authoritative Response
Server:91.92.119.210
NS records: ns1.cgie.lu, ns1.restena.lu, ns2.cgie.lu, ns2.restena.lu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for formation-continue.lu (unsigned zone)
⏱️ Timing
Total: 757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.64.75.16 |
| NS | 4 | ns1.cgie.lu, ns1.restena.lu... |
| MX | 2 | smtpgate1.restena.lu (pri: 10), smtpgate2.restena.lu (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.restena.lu ~all |
| SOA | 1 | ns1.cgie.lu hostmaster.men.lu |
📌 Glue Records Collected
Total: 20
In-bailiwick: 14 (r.ns.lu, p.dns.lu, k.dns.lu...)
Out-of-bailiwick: 6 (ns1.cgie.lu, ns1.restena.lu, ns2.cgie.lu...)
Analysis
Hierarchy
formation-continue.lu serves as the parent of www.formation-continue.lu.
IP Addresses
formation-continue.lu points to a single IP number: 158.64.75.16.
Additional host names — redirect.edulink.lu, one2one.lu, anelo.lu and two others — share IP numbers with formation-continue.lu.
Name Servers
formation-continue.lu has four authoritative name servers: ns1.cgie.lu, ns2.cgie.lu, ns1.restena.lu and ns2.restena.lu.
formation-continue.lu has at least partial name server overlap with other domains, such as restena.info, euroschool.lu, kulturfabrik.lu and two others.
It is common to find these name servers paired with the name servers ns3.restena.lu.
Host names with two IP numbers:
ns1.restena.lu directs traffic to 158.64.1.23 and 2001:a18:1::23.
ns2.restena.lu directs traffic to 91.92.119.210 and 2a04:c46:e00:e7a1:477:a6ff:fe00:afb.
Host names pointing to a single IP address:
ns1.cgie.lu has the IP address 158.64.89.4.
ns2.cgie.lu has the IP address 158.64.89.5.
Mail Servers
formation-continue.lu has two mail servers: smtpgate1.restena.lu and smtpgate2.restena.lu.
formation-continue.lu shares the same mail server setup as other domains, including igd-sh.lu, sportlycee.lu, ong.lu and two others.
formation-continue.lu shares mail servers — at least in part — with other domains, including ulbp.lu, worldskills.lu, cnel.lu and two others.
These mail servers are frequently seen alongside the mail servers smtpgate3.restena.lu.
The two host names smtpgate1.restena.lu and smtpgate2.restena.lu each have a pair of IP addresses: smtpgate1.restena.lu has 158.64.1.58 and 2001:a18:1::58, and smtpgate2.restena.lu has 158.64.1.59 and 2001:a18:1::59.