cbk-learning.lu - robtex.com
cbk-learning.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.121.62.170🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | ip170.ip-91-121-62.eu | ||||||
| NS | ns1.eurodns.com ⭐ | ||||||
| A | 2610:1c8:b002::107🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns1.eurodns.com | ||||||
| A | 199.167.66.107🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns1.eurodns.com | ||||||
| NS | ns2.eurodns.com | ||||||
| A | 2610:1c8:b001::107🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns2.eurodns.com | ||||||
| A | 104.37.178.107🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns2.eurodns.com | ||||||
| NS | ns3.eurodns.com | ||||||
| A | 2610:1c8:b002::108🇺🇸 AS233932610:1c8:b002::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns3.eurodns.com | ||||||
| A | 199.167.66.108🇺🇸 AS23393199.167.66.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns3.eurodns.com | ||||||
| NS | ns4.eurodns.com | ||||||
| A | 2610:1c8:b001::108🇺🇸 AS233932610:1c8:b001::/48 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns4.eurodns.com | ||||||
| A | 104.37.178.108🇺🇸 AS23393104.37.178.0/24 200 Broadacres Dr Bloomfield NJ 07003 United States | ||||||
| PTR | ns4.eurodns.com | ||||||
| SOA | ns1.eurodns.comhostmaster@eurodns.com 2022-01-31 #0 | ||||||
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| TXT | Exported: 2026-03-28 11:01:01 | ||||||
| SOA | ns1.dns.lunoc@restena.lu serial=1774692073 | ||||||
Same first word
cbk-learning.lu |
DNS History
10 records (5 active, 5 former)
●NSns1.eurodns.com2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 10:59:24
● 2026-03-28 10:46:28
○NSns1.pt.lu2015-08-16 → 2017-02-16 · 4 obs
● 2017-02-16 09:58:42
○ 2026-02-20 10:59:24
○ 2026-03-28 10:46:28
●NSns2.eurodns.com2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 10:59:24
● 2026-03-28 10:46:28
○NSns2.pt.lu2015-08-16 → 2017-02-16 · 4 obs
● 2017-02-16 09:58:42
○ 2026-02-20 10:59:24
○ 2026-03-28 10:46:28
●NSns3.eurodns.com2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 10:59:24
● 2026-03-28 10:46:28
○NSns3.pt.lu2015-08-16 → 2017-02-16 · 4 obs
● 2017-02-16 09:58:42
○ 2026-02-20 10:59:24
○ 2026-03-28 10:46:28
●NSns4.eurodns.com2026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 10:59:24
● 2026-03-28 10:46:28
○MXmx.hostpack.lu2015-08-16 → 2017-02-16 · 4 obs
● 2017-02-16 09:58:42
○ 2026-02-20 10:59:24
○ 2026-03-28 10:46:28
○A195.46.252.892015-08-16 → 2017-02-16 · 4 obs
● 2017-02-16 09:58:42
○ 2026-02-20 10:59:24
○ 2026-03-28 10:46:28
●A91.121.62.1702026-02-20 → 2026-03-28 · 3 obs
● 2026-02-20 10:59:24
● 2026-03-28 10:46:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu... | - |
| cbk-learning.lu | ns3.eurodns.com, ns1.eurodns.com, ns2.eurodns.com, ns4.eurodns.com | - |
✅ Authoritative Response
Server:104.37.178.107
NS records: ns3.eurodns.com, ns1.eurodns.com, ns2.eurodns.com, ns4.eurodns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbk-learning.lu (unsigned zone)
⏱️ Timing
Total: 850ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.121.62.170 |
| NS | 4 | ns1.eurodns.com, ns2.eurodns.com... |
| SOA | 1 | ns1.eurodns.com hostmaster.eurodns.com |
Analysis
IP Addresses
cbk-learning.lu resolves to one IP number: 91.121.62.170.
Other host names, for instance annuaire-hrs.lu, csm.lu, acteurdemasante.lu, hopitauxschuman.lu and ip170.ip-91-121-62.eu share IP numbers with cbk-learning.lu.
Name Servers
cbk-learning.lu delegates to four name servers: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com.
cbk-learning.lu at least partially shares name servers with other domains, including 4itcloud.ch, prettylittlethingbank.com, ay2.com, wwag.es and cpse-liege.be.
Host names with two IP numbers: ns1.eurodns.com points to 2610:1c8:b002::107 and 199.167.66.107; ns2.eurodns.com points to 2610:1c8:b001::107 and 104.37.178.107; ns3.eurodns.com points to 2610:1c8:b002::108 and 199.167.66.108; ns4.eurodns.com points to 2610:1c8:b001::108 and 104.37.178.108.