class.it - robtex.com
class.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 2026-04-23 #21 | ||||||
Subdomains
www.class.it |
mail.class.it |
newsletter.class.it |
adserver.class.it |
ftp.class.it |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSdns1.fastweb.it2015-07-23 → 2018-02-07 · 4 obs
● 2018-02-07 10:00:28
○ 2026-02-23 17:15:46
○ 2026-04-23 19:32:02
○NSdns2.fastweb.it2015-07-23 → 2018-02-07 · 4 obs
● 2018-02-07 10:00:28
○ 2026-02-23 17:15:46
○ 2026-04-23 19:32:02
●NSdns3.fastweb.it2026-02-23 → 2026-04-23 · 3 obs
● 2026-02-23 17:15:46
● 2026-04-23 19:32:02
●NSdns4.fastweb.it2026-02-23 → 2026-04-23 · 3 obs
● 2026-02-23 17:15:46
● 2026-04-23 19:32:02
●MXclass-it.mail.protection.outlook.com2026-02-23 → 2026-04-23 · 3 obs
● 2026-02-23 17:15:46
● 2026-04-23 19:32:02
○MXmx01cef.spamina.com2015-07-23 → 2016-12-31 · 4 obs
● 2016-12-31 00:50:00
○ 2018-02-07 10:00:28
○ 2026-04-23 19:32:02
○MXmx02cef.spamina.com2015-07-23 → 2016-12-31 · 4 obs
● 2016-12-31 00:50:00
○ 2018-02-07 10:00:28
○ 2026-04-23 19:32:02
○MXmx1.class.it2018-02-07 → 2018-02-07 · 4 obs
● 2018-02-07 10:00:28
○ 2026-02-23 17:15:46
○ 2026-04-23 19:32:02
○MXmx2.class.it2018-02-07 → 2018-02-07 · 4 obs
● 2018-02-07 10:00:28
○ 2026-02-23 17:15:46
○ 2026-04-23 19:32:02
●A172.213.177.732026-02-23 → 2026-04-23 · 3 obs
● 2026-02-23 17:15:46
● 2026-04-23 19:32:02
○A194.185.224.1882018-02-07 → 2018-02-07 · 3 obs
○ 2026-02-23 17:15:46
○ 2026-04-23 19:32:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| it | m.dns.it, a.dns.it, nameserver.cnr.it, dns.nic.it... | - |
| class.it | dns4.fastweb.it, dns3.fastweb.it | 2 records |
✅ Authoritative Response
Server:213.140.22.93
NS records: dns4.fastweb.it, dns3.fastweb.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for class.it (unsigned zone)
⏱️ Timing
Total: 907ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.213.177.73 |
| NS | 2 | dns3.fastweb.it, dns4.fastweb.it |
| MX | 1 | class-it.mail.protection.outlook.com (pr |
| TXT | 3 | v=spf1 ip4:151.80.30.116 ip4:212.35.204., google-site-verification=10DbMNvm26e6WTP... |
| SOA | 1 | dns3.fastweb.it dnsmaster.fastweb.it |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns4.fastweb.it, dns3.fastweb.it)
Analysis
Hierarchy
class.it is a parent of www.class.it, mail.class.it, newsletter.class.it, adserver.class.it and ftp.class.it.
IP Addresses
class.it points to IP number 172.213.177.73.
For instance, other host names classxhsilkroad.it, static.italiaoggi.it, milanofinanza.it, c-i-a.it and salonedellostudente.com share IP numbers with class.it.
Name Servers
class.it is delegated to two name servers: dns3.fastweb.it and dns4.fastweb.it.
class.it uses the same name server setup as other domains such as 122.233.2.in-addr.arpa, 86.224.2.in-addr.arpa, 218.32.93.in-addr.arpa, 11.46.93.in-addr.arpa and 98.235.2.in-addr.arpa.
Host names with two IP numbers:
dns3.fastweb.it points to 2001:b00:4:5:3:: and 85.18.87.69; dns4.fastweb.it points to 2001:b00:4:8:3:: and 213.140.22.93.
Mail Servers
class.it is handled by a single mail server, class-it.mail.protection.outlook.com.
Host name class-it.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::7, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::9, 2a01:111:f403:ca09::20, 52.101.68.0, 52.101.68.5, 52.101.73.24 and 52.101.73.26.