knowledge.it - dns.ninja
knowledge.it
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.acantho.net ⭐ | ||||||
| A | 213.174.160.1🇮🇹 CASAWEB-AS213.174.160.0/21 Acantho network | ||||||
| PTR | ns1.acantho.net | ||||||
| NS | ns2.acantho.net | ||||||
| A | 2a03:c380:4010:0:213:174:160:2🇮🇹 CASAWEB-AS2a03:c380::/32 Acantho v6 Network | ||||||
| PTR | ns3.acantho.net | ||||||
| A | 213.174.160.2🇮🇹 CASAWEB-AS213.174.160.0/21 Acantho network | ||||||
| PTR | ns2.acantho.net | ||||||
| NS | ns3.acantho.net | ||||||
| A | 2a03:c380:4010:0:213:174:160:2🇮🇹 CASAWEB-AS2a03:c380::/32 Acantho v6 Network | ||||||
| PTR | ns3.acantho.net | ||||||
| A | 213.174.162.126🇮🇹 CASAWEB-AS213.174.160.0/21 Acantho network | ||||||
| PTR | ns3.acantho.net | ||||||
| SOA | ns1.acantho.netsistemisti@acantho.com 2026-02-11 #14 | ||||||
it
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.it ⭐ | ||||||
| NS | a.dns.it | ||||||
| NS | m.dns.it | ||||||
| NS | nameserver.cnr.it | ||||||
| NS | r.dns.it | ||||||
| NS | v.dns.it | ||||||
| SOA | dns.nic.ithostmaster@nic.it 2026-06-09 #8 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.acantho.net2015-08-07 → 2026-06-09 · 2 obs
● 2026-06-09 07:16:48
●NSns2.acantho.net2015-08-07 → 2026-06-09 · 2 obs
● 2026-06-09 07:16:48
●NSns3.acantho.net2015-08-07 → 2026-06-09 · 2 obs
● 2026-06-09 07:16:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | a.dns.it, m.dns.it, r.dns.it, v.dns.it... | - |
| knowledge.it | ns1.acantho.net, ns3.acantho.net, ns2.acantho.net | - |
✅ Authoritative Response
Server:213.174.160.1
NS records: ns1.acantho.net, ns3.acantho.net, ns2.acantho.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledge.it (unsigned zone)
⏱️ Timing
Total: 1172ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.acantho.net, ns3.acantho.net... |
| SOA | 1 | ns1.acantho.net sistemisti.acantho.com |
Analysis
Name Servers
The authoritative name servers for knowledge.it are ns1.acantho.net, ns2.acantho.net and ns3.acantho.net — three in total.
At least some of knowledge.it's name servers are shared with other domains, for example wellnessholiday.it, ascotrade.com, 51.89.77.in-addr.arpa and two more.
These name servers tend to be deployed in combination with the name servers ns1.satcom.it and ns2.satcom.it.
Hostnames that resolve to two IP addresses:
ns2.acantho.net directs traffic to 213.174.160.2 and 2a03:c380:4010:0:213:174:160:2.
ns3.acantho.net directs traffic to 213.174.162.126 and 2a03:c380:4010:0:213:174:160:2.
Host names with one IP number:
ns1.acantho.net has the IP address 213.174.160.1.
Both ns2.acantho.net and ns3.acantho.net resolve to 2a03:c380:4010:0:213:174:160:2 IP addresses each.