formation-continue.lu - dns.ninja

formation-continue.lu

DNSSEC⚠️ Not signed
A158.64.75.16🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
PTRredirect.edulink.lu
NSns1.cgie.lu ⭐
A158.64.89.4🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
PTRns1.cgie.lu
NSns1.restena.lu
A2001:a18:1::23🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA
PTRns1.restena.lu
A158.64.1.23🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
PTRns1.restena.lu
NSns2.cgie.lu
A158.64.89.5🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
PTRns2.cgie.lu
NSns2.restena.lu
A2a04:c46:e00:e7a1:477:a6ff:fe00:afb🇨🇭 exoscale2a04:c46::/32
PTRns2.restena.lu
A91.92.119.210🇩🇪 exoscale91.92.118.0/23
PTRns2.restena.lu
MXsmtpgate1.restena.lu ⭐
A2001:a18:1::58🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA
PTRsmtpgate1.restena.lu
A158.64.1.58🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
MXsmtpgate2.restena.lu ⭐
A2001:a18:1::59🇱🇺 RESTENA2001:a18::/29 Fondation RESTENA
PTRsmtpgate2.restena.lu
A158.64.1.59🇱🇺 RESTENA158.64.0.0/16 Fondation RESTENA
PTRsmtpgate2.restena.lu
TXTv=spf1 include:_spf.restena.lu ~all
SOAns1.cgie.luhostmaster@men.lu 2024-04-22 #2

lu

DNSSEC🔒 Signed (DS record present)
NS1.ns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-08-13 19:01:01
SOA1.ns.lunoc@restena.lu serial=1786640473

PTR for

34.89.64.158.in-addr.arpa

Subdomains

www.formation-continue.lu

Same first word

formation-continue.fr
formation-continue.net
formation-continue.biz
formation-continue.info
formation-continue.ma
formation-continue.be
formation-continue.com
formation-continue.org
formation-continue.ch
formation-continue.lu

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns1.cgie.luns1.restena.luns2.cgie.luns2.restena.luMXsmtpgate1.restena.lusmtpgate2.restena.luA158.64.75.16158.64.75.11
●NSns1.cgie.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
●NSns1.restena.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
●NSns2.cgie.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
●NSns2.restena.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
●MXsmtpgate1.restena.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
●MXsmtpgate2.restena.lu2015-08-10 → 2026-08-13 · 2 obs
● 2015-08-10 07:32:38
● 2026-08-13 17:33:38
○A158.64.75.112015-08-10 → 2016-05-04 · 4 obs
● 2015-08-10 07:32:38
● 2016-05-04 08:28:02
○ 2026-03-15 16:53:26
○ 2026-08-13 17:33:38
●A158.64.75.162026-03-15 → 2026-08-13 · 3 obs
○ 2016-05-04 08:28:02
● 2026-03-15 16:53:26
● 2026-08-13 17:33:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...14 records
formation-continue.luns2.restena.lu, ns2.cgie.lu, ns1.cgie.lu, ns1.restena.lu6 records

✅ Authoritative Response

Server:158.64.1.23

NS records: ns2.restena.lu, ns2.cgie.lu, ns1.cgie.lu, ns1.restena.lu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for formation-continue.lu (unsigned zone)

⏱️ Timing

Total: 643ms | Queries: -

📄 Records

TypeCountSample Data
A1158.64.75.16
NS4ns1.cgie.lu, ns1.restena.lu...
MX2smtpgate1.restena.lu (pri: 10), smtpgate2.restena.lu (pri: 10)
TXT1v=spf1 include:_spf.restena.lu ~all
SOA1ns1.cgie.lu hostmaster.men.lu

📌 Glue Records Collected

Total: 20

In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)

Out-of-bailiwick: 6 (ns2.restena.lu, ns2.cgie.lu, ns1.restena.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, 89.64.158.in-addr.arpa 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.