cta-toolbox.nl - robtex.com
cta-toolbox.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:67c:2564:a102::1:13🇳🇱 UTWENTE-AS2001:67c:2564::/48 University Twente IPv6 | ||||||
| PTR | linux760-hosting2.utsp.utwente.nl | ||||||
| A | 130.89.1.181🇳🇱 UTWENTE-AS130.89.0.0/16 UTNET | ||||||
| NS | ns1.utwente.nl ⭐ | ||||||
| A | 2001:67c:2564:a102::3:1🇳🇱 UTWENTE-AS2001:67c:2564::/48 University Twente IPv6 | ||||||
| PTR | ns1.utwente.nl | ||||||
| A | 130.89.1.2🇳🇱 UTWENTE-AS130.89.0.0/16 UTNET | ||||||
| PTR | ns1.utwente.nl | ||||||
| NS | ns2.utwente.nl | ||||||
| A | 2001:67c:2564:a102::3:2🇳🇱 UTWENTE-AS2001:67c:2564::/48 University Twente IPv6 | ||||||
| PTR | ns2.utwente.nl | ||||||
| A | 130.89.1.3🇳🇱 UTWENTE-AS130.89.0.0/16 UTNET | ||||||
| PTR | ns2.utwente.nl | ||||||
| NS | ns3.utwente.nl | ||||||
| A | 131.155.0.37🇳🇱 AS-TUE131.155.0.0/16 TUENET1 | ||||||
| PTR | ns3.utwente.nl | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.utwente.nlpostmaster@cta-toolbox.nl serial=2170112575 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-05-11 21:30:01 +0000 (EPOCH 1778535001) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-05-11 #43 | ||||||
Subdomains
www.cta-toolbox.nl |
Same first word
cta-toolbox.nl |
DNS History
8 records (5 active, 3 former)
●NSns1.utwente.nl2020-02-10 → 2026-05-11 · 2 obs
● 2026-05-11 22:42:34
●NSns2.utwente.nl2020-02-10 → 2026-05-11 · 2 obs
● 2026-05-11 22:42:34
●NSns3.utwente.nl2020-02-10 → 2026-05-11 · 2 obs
● 2026-05-11 22:42:34
○MXmx1.surfmailfilter.nl2020-02-10 → 2020-02-10 · 3 obs
○ 2026-03-25 03:47:54
○ 2026-05-11 22:42:34
○MXmx2.surfmailfilter.nl2020-02-10 → 2020-02-10 · 3 obs
○ 2026-03-25 03:47:54
○ 2026-05-11 22:42:34
●A130.89.1.1812026-03-25 → 2026-05-11 · 3 obs
● 2026-03-25 03:47:54
● 2026-05-11 22:42:34
○A130.89.3.2492020-02-10 → 2020-02-10 · 3 obs
○ 2026-03-25 03:47:54
○ 2026-05-11 22:42:34
●A2001:67c:2564:a102::1:132026-03-25 → 2026-05-11 · 3 obs
● 2026-03-25 03:47:54
● 2026-05-11 22:42:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| cta-toolbox.nl | ns1.utwente.nl, ns2.utwente.nl, ns3.utwente.nl | 5 records |
✅ Authoritative Response
Server:130.89.1.2
NS records: ns1.utwente.nl, ns2.utwente.nl, ns3.utwente.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 580ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 130.89.1.181 |
| AAAA | 1 | 2001:67c:2564:a102::1:13 |
| NS | 3 | ns1.utwente.nl, ns3.utwente.nl... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.utwente.nl postmaster.cta-toolbox.nl |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns1.utwente.nl, ns1.utwente.nl, ns2.utwente.nl...)
Analysis
Hierarchy
The parent of www.cta-toolbox.nl is cta-toolbox.nl.
IP Addresses
cta-toolbox.nl resolves to two IP numbers: 2001:67c:2564:a102::1:13 and 130.89.1.181.
Other host names, for instance trax.utwente.nl, de-enigma.eu, gsw2019.org, nanolabs.nl and frogrobot.eu share IP numbers with cta-toolbox.nl.
Name Servers
cta-toolbox.nl is delegated to three name servers: ns1.utwente.nl, ns2.utwente.nl and ns3.utwente.nl.
cta-toolbox.nl partially shares name servers with other domains; examples include 35.89.130.in-addr.arpa, 1.89.130.in-addr.arpa, kronos.nl, 163.89.130.in-addr.arpa and mc.utwente.nl.
Host names with two IP numbers:
ns1.utwente.nl points to 2001:67c:2564:a102::3:1 and 130.89.1.2.
ns2.utwente.nl points to 2001:67c:2564:a102::3:2 and 130.89.1.3.
Host names with one IP number:
ns3.utwente.nl points to 131.155.0.37.