cku.fr - robtex.com
cku.fr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsres.net ⚠️ Not in zone NS records | ||||||
| A | 2a04:2b00:14cc::225🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48 | ||||||
| PTR | ns1.dnsres.net | ||||||
| A | 193.227.117.225🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24 | ||||||
| PTR | ns1.dnsres.net | ||||||
| PTR | ns3.registrant-verification.ispapi.net | ||||||
| NS | ns2.dnsres.net ⚠️ Not in zone NS records | ||||||
| A | 2a04:2b00:14dd::225🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48 | ||||||
| PTR | ns2.dnsres.net | ||||||
| A | 194.50.187.225🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24 | ||||||
| PTR | ns2.dnsres.net | ||||||
| PTR | ns1.registrant-verification.ispapi.net | ||||||
| NS | ns3.dnsres.net ⚠️ Not in zone NS records | ||||||
| A | 2a04:2b00:14ee::225🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48 | ||||||
| PTR | ns3.dnsres.net | ||||||
| A | 194.0.182.225🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24 | ||||||
| PTR | ns3.dnsres.net | ||||||
| PTR | ns2.registrant-verification.ispapi.net | ||||||
fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.fr ⭐ | ||||||
| NS | d.nic.fr | ||||||
| NS | f.ext.nic.fr | ||||||
| NS | g.ext.nic.fr | ||||||
| TXT | 34 RRs processed [27/03/2026 05H20:49] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2244633939 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSns1.dnsres.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 01:53:30
● 2026-03-27 05:34:40
○NSns1.eurodns.com2015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
●NSns2.dnsres.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 01:53:30
● 2026-03-27 05:34:40
○NSns2.eurodns.com2015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
●NSns3.dnsres.net2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 01:53:30
● 2026-03-27 05:34:40
○NSns3.eurodns.com2015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
○NSns4.eurodns.com2015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
○MXmail.b-io.co2015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
○A80.92.84.1392015-06-17 → 2018-07-05 · 4 obs
● 2018-07-05 05:54:24
○ 2026-03-27 01:53:30
○ 2026-03-27 05:34:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| cku.fr | ns3.dnsres.net, ns1.dnsres.net, ns2.dnsres.net | - |
✅ Authoritative Response
Server:194.0.182.225
NS records: ns3.dnsres.net, ns1.dnsres.net, ns2.dnsres.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cku.fr (unsigned zone)
⏱️ Timing
Total: 617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
cku.fr is delegated to three name servers: ns1.dnsres.net, ns2.dnsres.net and ns3.dnsres.net.
cku.fr at least partially shares name servers with other domains, for example publilux.lu, promu.fr, allianz-trade.sg, ers-bv.ch and tariquet.eu.
These name servers are often used with the following name servers: ns1.rrpproxy.net, ns2.rrpproxy.net, ns3.rrpproxy.net, ns1.hosting9000.com, ns2.hosting9000.com, ns1.hostingorilla.com, ns2.hostingorilla.com and ns4.hosting9000.com.
Host names with two IP numbers:
ns1.dnsres.net points to 2a04:2b00:14cc::225 and 193.227.117.225
ns2.dnsres.net points to 2a04:2b00:14dd::225 and 194.50.187.225
ns3.dnsres.net points to 2a04:2b00:14ee::225 and 194.0.182.225