cu-gtrc.com - robtex.com
cu-gtrc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ivin.nl ⭐ | ||||||
| A | 2a06:fb00:1::1:111🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns1.cloudns.net | ||||||
| A | 185.136.96.111🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd | ||||||
| PTR | pns1.cloudns.net | ||||||
| NS | ns2.ivin.nl | ||||||
| A | 2a06:fb00:1::2:111🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns2.cloudns.net | ||||||
| A | 185.136.97.111CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd | ||||||
| PTR | pns2.cloudns.net | ||||||
| NS | ns3.ivin.nl | ||||||
| A | 2a06:fb00:1::3:111🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns3.cloudns.net | ||||||
| A | 185.136.98.111🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd | ||||||
| PTR | pns3.cloudns.net | ||||||
| NS | ns4.ivin.nl | ||||||
| A | 2a06:fb00:1::4:111🇧🇬 CLOUDNSNET2a06:fb00:1::/48 ClouDNS | ||||||
| PTR | pns4.cloudns.net | ||||||
| A | 185.136.99.111CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd | ||||||
| PTR | pns4.cloudns.net | ||||||
| SOA | ns1.ivin.nldomains@intervisors.net 2026-03-06 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774667812 | ||||||
Same first word
DNS History
8 records (4 active, 4 former)
○NSns5.ivin.nl2015-07-02 → 2018-07-11 · 4 obs
● 2018-07-11 19:37:16
○ 2026-03-28 03:43:02
○ 2026-03-28 03:43:04
○MXmail.cu-gtrc.com2015-07-02 → 2016-01-26 · 4 obs
● 2016-01-26 16:28:14
○ 2016-04-25 19:58:12
○ 2026-03-28 03:43:04
○A213.198.89.1492015-07-02 → 2016-01-26 · 4 obs
● 2016-01-26 16:28:14
○ 2016-04-25 19:58:12
○ 2026-03-28 03:43:04
○A51.254.156.1822016-04-25 → 2018-07-11 · 5 obs
● 2016-04-25 19:58:12
● 2018-07-11 19:37:16
○ 2026-03-28 03:43:02
○ 2026-03-28 03:43:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cu-gtrc.com | ns1.ivin.nl, ns2.ivin.nl, ns3.ivin.nl, ns4.ivin.nl | - |
✅ Authoritative Response
Server:185.136.98.111
NS records: ns1.ivin.nl, ns2.ivin.nl, ns3.ivin.nl, ns4.ivin.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu-gtrc.com (unsigned zone)
⏱️ Timing
Total: 372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns2.ivin.nl, ns3.ivin.nl... |
| SOA | 1 | ns1.ivin.nl domains.intervisors.net |
Analysis
Name Servers
cu-gtrc.com is delegated to four name servers: ns1.ivin.nl, ns2.ivin.nl, ns3.ivin.nl and ns4.ivin.nl.
cu-gtrc.com at least partially shares name servers with other domains, including literatuureducatie.nl, montessori-aerdenhout.nl, antheos.amsterdam, zodiacrescueboats.nl and wimgertenbachcollege.nl.
Hosts with two IP numbers:
Host ns1.ivin.nl points to 2a06:fb00:1::1:111 and 185.136.96.111
Host ns2.ivin.nl points to 2a06:fb00:1::2:111 and 185.136.97.111
Host ns3.ivin.nl points to 2a06:fb00:1::3:111 and 185.136.98.111
Host ns4.ivin.nl points to 2a06:fb00:1::4:111 and 185.136.99.111