coreknowledge.it - dns.ninja
coreknowledge.it
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.fastweb.it ⭐ | ||||||
| A | 2001:b00:4:5:3::🇮🇹 FASTWEB2001:b00::/29 Fastweb Networks ipv6 block | ||||||
| A | 85.18.87.69🇮🇹 FASTWEB85.18.0.0/17 Fastweb Networks block | ||||||
| PTR | dns3.fastweb.it | ||||||
| NS | dns4.fastweb.it | ||||||
| A | 2001:b00:4:8:3::🇮🇹 FASTWEB2001:b00::/29 Fastweb Networks ipv6 block | ||||||
| A | 213.140.22.93🇮🇹 FASTWEB213.140.16.0/20 Fastweb Networks block | ||||||
| PTR | dns4.fastweb.it | ||||||
| MX | relay2.inet.it ⭐ | ||||||
| MX | relay.inet.it(200) | ||||||
| SOA | dns3.fastweb.itdnsmaster@fastweb.it 2019-12-10 #0 | ||||||
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 2026-07-30 #14 | ||||||
Same first word
coreknowledge.it |
coreknowledge.com |
coreknowledge.africa |
coreknowledge.org |
Similar names
DNS History
7 records (4 active, 3 former)
○NSdns1.fastweb.it2015-04-16 → 2017-05-17 · 4 obs
● 2017-05-17 01:37:28
○ 2026-05-17 04:13:22
○ 2026-07-30 12:21:10
○NSdns2.fastweb.it2015-04-16 → 2017-05-17 · 4 obs
● 2017-05-17 01:37:28
○ 2026-05-17 04:13:22
○ 2026-07-30 12:21:10
●NSdns3.fastweb.it2026-05-17 → 2026-07-30 · 3 obs
● 2026-05-17 04:13:22
● 2026-07-30 12:21:10
●NSdns4.fastweb.it2026-05-17 → 2026-07-30 · 3 obs
● 2026-05-17 04:13:22
● 2026-07-30 12:21:10
○A127.0.0.12015-04-16 → 2017-05-17 · 4 obs
● 2017-05-17 01:37:28
○ 2026-05-17 04:13:22
○ 2026-07-30 12:21:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | nameserver.cnr.it, a.dns.it, m.dns.it, r.dns.it... | - |
| coreknowledge.it | dns3.fastweb.it, dns4.fastweb.it | 2 records |
✅ Authoritative Response
Server:213.140.22.93
NS records: dns3.fastweb.it, dns4.fastweb.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coreknowledge.it (unsigned zone)
⏱️ Timing
Total: 813ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.fastweb.it, dns3.fastweb.it |
| MX | 2 | relay.inet.it (pri: 100), relay2.inet.it (pri: 200) |
| SOA | 1 | dns3.fastweb.it dnsmaster.fastweb.it |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns4.fastweb.it, dns3.fastweb.it)
Analysis
Name Servers
coreknowledge.it is served by two delegated name servers, dns3.fastweb.it and dns4.fastweb.it.
coreknowledge.it uses the same name servers as several other domains — among them 192.186.37.in-addr.arpa, 81.34.93.in-addr.arpa, ip134.fastwebnet.it and two more.
Each of the two host names carries two IP addresses: dns3.fastweb.it points to 85.18.87.69 and 2001:b00:4:5:3::, and dns4.fastweb.it points to 213.140.22.93 and 2001:b00:4:8:3::.
Mail Servers
Mail for coreknowledge.it is handled by two mail servers — relay2.inet.it and relay.inet.it.
coreknowledge.it uses an identical mail server configuration to several other domains — among them assogasliquidi.it, ecrm.it, original.it and two more.
coreknowledge.it has at least partial mail server overlap with other domains such as itaprice.com, tfafiduciaria.it, utenze.it and two more.
These mail servers commonly co-occur with mail servers relay1.inet.it, mail.class.it, slip-relay.inet.it and 4 others.