sidef.it - robtex.com
sidef.it
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 2026-07-15 #19 | ||||||
Subdomains
mx.sidef.it |
Same first word
Similar names
DNS History
15 records (7 active, 8 former)
●NSdns.technorail.com2026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
●NSdns2.technorail.com2026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
●NSdns3.arubadns.net2026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
●NSdns4.arubadns.cz2026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
○NSns1.sidef.it2015-07-16 → 2017-06-05 · 4 obs
● 2017-06-05 14:58:22
○ 2026-06-12 08:18:40
○ 2026-07-15 17:20:18
○NSns2.sidef.it2015-07-16 → 2017-06-05 · 4 obs
● 2017-06-05 14:58:22
○ 2026-06-12 08:18:40
○ 2026-07-15 17:20:18
○NSns3.sidef.it2015-07-16 → 2017-06-05 · 4 obs
● 2017-06-05 14:58:22
○ 2026-06-12 08:18:40
○ 2026-07-15 17:20:18
○MXavas.ergonet.it2015-07-16 → 2016-04-14 · 4 obs
● 2016-04-14 21:12:44
○ 2016-11-25 09:59:12
○ 2026-07-15 17:20:18
○MXmailserver04.ergonet.it2015-07-16 → 2015-11-14 · 4 obs
● 2015-11-14 00:49:26
○ 2016-01-22 17:44:30
○ 2026-07-15 17:20:18
○MXmx.ergonet.it2016-01-22 → 2016-04-14 · 5 obs
● 2016-01-22 17:44:30
● 2016-04-14 21:12:44
○ 2016-11-25 09:59:12
○ 2026-07-15 17:20:18
●MXmx.sidef.it2026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
○A149.3.144.372015-07-16 → 2016-04-14 · 4 obs
● 2016-04-14 21:12:44
○ 2016-11-25 09:59:12
○ 2026-07-15 17:20:18
○A149.3.145.182016-11-25 → 2017-06-05 · 5 obs
● 2016-11-25 09:59:12
● 2017-06-05 14:58:22
○ 2026-06-12 08:18:40
○ 2026-07-15 17:20:18
●A2a00:6d40:4:1::c320:62026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
●A31.11.36.62026-06-12 → 2026-07-15 · 3 obs
● 2026-06-12 08:18:40
● 2026-07-15 17:20:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | a.dns.it, m.dns.it, dns.nic.it, v.dns.it... | 12 records |
| sidef.it | dns3.arubadns.net, dns.technorail.com, dns2.technorail.com, dns4.arubadns.cz | - |
✅ Authoritative Response
Server:94.177.210.13
NS records: dns3.arubadns.net, dns.technorail.com, dns2.technorail.com, dns4.arubadns.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sidef.it (unsigned zone)
⏱️ Timing
Total: 1392ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.11.36.6 |
| AAAA | 1 | 2a00:6d40:4:1::c320:6 |
| NS | 4 | dns2.technorail.com, dns.technorail.com... |
| MX | 1 | mx.sidef.it (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.aruba.it ~all |
| SOA | 1 | dns2.technorail.com hostmaster.sidef.it |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.dns.it, a.dns.it, m.dns.it...)
Analysis
Hierarchy
sidef.it is a parent domain of mx.sidef.it.
IP Addresses
sidef.it resolves to the IP addresses 31.11.36.6 and 2a00:6d40:4:1::c320:6
Among the host names that share IP numbers with sidef.it are lamattamadeinsicily.com, qualitypack.it, studiomasaro.com and two others.
Name Servers
The domain sidef.it is delegated to these four name servers: dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.
sidef.it shares at least some of its name servers with other domains, including camtex.it, sangio.it, matteomilani.it and two others.
The host names dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net each resolve to two IP addresses: dns2.technorail.com resolves to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com resolves to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz resolves to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net resolves to 95.110.220.5 and 2a00:6d41:3:206e::f:1.
Mail Servers
sidef.it routes its mail through a single mail server, mx.sidef.it.
mx.sidef.it directs to 7 IP numbers, including 62.149.128.74, 62.149.128.151 and 62.149.128.154, along with 4 other.