com-cert.lu - robtex.com

com-cert.lu

DNSSEC⚠️ Not signed
A217.19.237.54🇧🇪 COMBELL-AS217.19.224.0/20 COMBELL Network Brussels, Belgium
PTR217.19.237.54.static.hosted.by.combell.com
NSns3.combell.net ⭐
A2a00:1c98::53:1🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network
PTRns3.combell.net
A83.217.73.172🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network
PTRns3.combell.net
NSns1.combell.eu ⚠️ Not in parent delegation
A2a00:1c98:50::50🇧🇪 COMBELL-AS2a00:1c98:50::/44
A89.44.166.48🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network
PTR89.44.166.48.static.hosted.by.combell-ops.net
NSns4.combell.net
A2001:1598:0:101::3🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network
PTRns4.combell.net
A86.39.202.67🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network
PTRns4.combell.net
SOAns3.combell.nethostmaster@com-cert.lu serial=1714723242

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: 2026-07-29 22:01:01
SOA1.ns.lunoc@restena.lu serial=1785355272

Same first word

com-cert.com
com-cert.lu
com-cert.net

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DNS History

4 records (4 active, 0 former)

NSns1.combell.euns3.combell.netns4.combell.netA217.19.237.54
●NSns1.combell.eu2026-06-27 → 2026-07-29 · 2 obs
● 2026-06-27 07:58:00
● 2026-07-29 20:12:22
●NSns3.combell.net2026-06-27 → 2026-07-29 · 2 obs
● 2026-06-27 07:58:00
● 2026-07-29 20:12:22
●NSns4.combell.net2026-06-27 → 2026-07-29 · 2 obs
● 2026-06-27 07:58:00
● 2026-07-29 20:12:22
●A217.19.237.542026-06-27 → 2026-07-29 · 2 obs
● 2026-06-27 07:58:00
● 2026-07-29 20:12:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...-
com-cert.luns3.combell.net, ns4.combell.net-

✅ Authoritative Response

Server:83.217.73.172

NS records: ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com-cert.lu (unsigned zone)

⏱️ Timing

Total: 1490ms | Queries: -

📄 Records

TypeCountSample Data
A1217.19.237.54
NS3ns4.combell.net, ns3.combell.net...
SOA1ns3.combell.net hostmaster.com-cert.lu

Analysis

IP Addresses

com-cert.lu directs to one IP number, which is 217.19.237.54.

Among the host names that share IP numbers with com-cert.lu are daidaidesign.nl, apotheekhaegemans.be, inspirationx.events and two others.

Name Servers

DNS for com-cert.lu is handled by three authoritative name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

com-cert.lu has at least partial name server overlap with other domains, such as thebelgian.be, groepvanroey.be, villamontekariotes.gr and two others.

These name servers tend to appear together with the name servers ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu.

Three hostnames — ns1.combell.eu, ns3.combell.net and ns4.combell.net — each have two IP addresses: ns1.combell.eu has 89.44.166.48 and 2a00:1c98:50::50, ns3.combell.net has 83.217.73.172 and 2a00:1c98::53:1, and ns4.combell.net has 86.39.202.67 and 2001:1598:0:101::3.