masterclass.be - dns.ninja
masterclass.be
be
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nsset.be ⭐ | ||||||
| NS | b.nsset.be | ||||||
| NS | c.nsset.be | ||||||
| NS | d.nsset.be | ||||||
| NS | y.nsset.be | ||||||
| NS | z.nsset.be | ||||||
| SOA | a.nsset.bebe-hostmaster@dnsbelgium.be serial=1028248112 | ||||||
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
●NSns1.combell.eu2026-03-21 → 2026-06-04 · 3 obs
● 2026-03-21 16:14:58
● 2026-06-04 04:20:18
○NSns1.duckys-network.be2016-05-11 → 2016-12-01 · 5 obs
● 2016-05-11 06:02:12
● 2016-12-01 13:27:18
○ 2021-10-15 20:26:58
○ 2026-06-04 04:20:18
○NSns1.duckys-network.eu2015-08-09 → 2016-02-08 · 4 obs
● 2016-02-08 12:46:36
○ 2016-05-11 06:02:12
○ 2026-06-04 04:20:18
○NSns2.duckys-network.be2016-05-11 → 2016-12-01 · 5 obs
● 2016-05-11 06:02:12
● 2016-12-01 13:27:18
○ 2021-10-15 20:26:58
○ 2026-06-04 04:20:18
○NSns2.duckys-network.eu2015-08-09 → 2016-02-08 · 4 obs
● 2016-02-08 12:46:36
○ 2016-05-11 06:02:12
○ 2026-06-04 04:20:18
●NSns3.combell.net2021-10-15 → 2026-06-04 · 3 obs
● 2021-10-15 20:26:58
● 2026-06-04 04:20:18
●NSns4.combell.net2021-10-15 → 2026-06-04 · 3 obs
● 2021-10-15 20:26:58
● 2026-06-04 04:20:18
○MXmail.masterclass.be2015-08-09 → 2016-12-01 · 4 obs
● 2016-12-01 13:27:18
○ 2021-10-15 20:26:58
○ 2026-06-04 04:20:18
●MXmx.backup.mailprotect.be2021-10-15 → 2026-06-04 · 3 obs
● 2021-10-15 20:26:58
● 2026-06-04 04:20:18
●MXmx.mailprotect.be2021-10-15 → 2026-06-04 · 3 obs
● 2021-10-15 20:26:58
● 2026-06-04 04:20:18
●A217.21.190.1392021-10-15 → 2026-06-04 · 3 obs
● 2021-10-15 20:26:58
● 2026-06-04 04:20:18
○A46.21.173.1472015-08-09 → 2016-02-08 · 4 obs
● 2016-02-08 12:46:36
○ 2016-05-11 06:02:12
○ 2026-06-04 04:20:18
○A5.135.69.652016-05-11 → 2016-12-01 · 5 obs
● 2016-05-11 06:02:12
● 2016-12-01 13:27:18
○ 2021-10-15 20:26:58
○ 2026-06-04 04:20:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| be | a.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be... | - |
| masterclass.be | ns3.combell.net, ns1.combell.eu, ns4.combell.net | - |
✅ Authoritative Response
Server:89.44.166.48
NS records: ns3.combell.net, ns1.combell.eu, ns4.combell.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2067ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.21.190.139 |
| NS | 3 | ns3.combell.net, ns4.combell.net... |
| MX | 2 | mx.mailprotect.be (pri: 10), mx.backup.mailprotect.be (pri: 50) |
| SOA | 1 | ns3.combell.net hostmaster.masterclass.b |
Analysis
IP Addresses
masterclass.be directs to one IP number, which is 217.21.190.139.
Among the host names that share IP numbers with masterclass.be are sumum.nl, rydoonotifications.com, nolas.be and two others.
Name Servers
DNS for masterclass.be is handled by three authoritative name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.
The name servers of masterclass.be overlap at least partially with those of other domains — among them almex.nl, maneuver.be, flighttix.ru and two more.
These name servers are routinely co-deployed with the name servers ns3.european-server.com, ns4.european-server.com, ns1.european-server.eu and two others.
Three hostnames — ns1.combell.eu, ns3.combell.net and ns4.combell.net — each have two IP addresses: ns1.combell.eu has 89.44.166.48 and 2a00:1c98:50::50, ns3.combell.net has 83.217.73.172 and 2a00:1c98::53:1, and ns4.combell.net has 86.39.202.67 and 2001:1598:0:101::3.
Mail Servers
The MX records for masterclass.be point to two mail servers: mx.mailprotect.be and mx.backup.mailprotect.be.
masterclass.be has the same mail server arrangement as a number of other domains, for example autosverschueren.eu, arbl.be, vegadates.de and two more.
masterclass.be has mail servers in common with other domains — for example timago.be, cybersecuritywerkt.nl and lascolinasgolfresort.be.
Both mx.mailprotect.be and mx.backup.mailprotect.be have 4 IP numbers each. mx.mailprotect.be points to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143; mx.backup.mailprotect.be points to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143.
Host names pointing to 178.208.39.140 IP addresses: mx.mailprotect.be and mx.backup.mailprotect.be.
Host names pointing to 178.208.39.141 IP addresses: mx.mailprotect.be and mx.backup.mailprotect.be.
Host names pointing to 178.208.39.142 IP addresses: mx.mailprotect.be and mx.backup.mailprotect.be.
Host names pointing to 178.208.39.143 IP addresses: mx.mailprotect.be and mx.backup.mailprotect.be.