`clevermath.be`

DNSSEC	⚠️ Not signed
A	83.217.73.154^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
		PTR	`83.217.73.154.static.hosted.by.combell.com`
NS	`ns3.combell.net` ⭐
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns1.combell.eu`
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns4.combell.net`
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`mx.mailprotect.be` ⭐
		A	178.208.39.140^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.141^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.142^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.143^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
MX	`mx.backup.mailprotect.be`⁽⁵⁰⁾
		A	178.208.39.140^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.141^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.142^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
		A	178.208.39.143^{🇧🇪 COMBELL-AS178.208.32.0/19 COMBELL Network}
			PTR	`mx.mailprotect.be`
SOA	`ns3.combell.net`hostmaster@clevermath.be serial=1746519337

`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.be`be-hostmaster@dnsbelgium.be serial=1028237250

Same first word

clevermath.be

Similar names

marveltech.net

marveltech.com

lemarchevt.com

marveltech.co.in

marveltech.eu

DNS History

8 records (6 active, 2 former)

●NSns1.combell.eu2026-03-22 → 2026-03-22 · 2 obs

○ 2015-07-19 23:24:00
● 2026-03-22 14:38:52

●NSns3.combell.net2015-07-19 → 2026-03-22 · 2 obs

● 2015-07-19 23:24:00
● 2026-03-22 14:38:52

●NSns4.combell.net2015-07-19 → 2026-03-22 · 2 obs

● 2015-07-19 23:24:00
● 2026-03-22 14:38:52

●MXmx.backup.mailprotect.be2015-07-19 → 2026-03-22 · 2 obs

● 2015-07-19 23:24:00
● 2026-03-22 14:38:52

●MXmx.mailprotect.be2015-07-19 → 2026-03-22 · 2 obs

● 2015-07-19 23:24:00
● 2026-03-22 14:38:52

○A176.62.172.1102016-03-11 → 2017-03-15 · 5 obs

○ 2015-12-07 01:18:36
● 2016-03-11 12:10:48
● 2017-03-15 03:08:56
○ 2020-03-17 14:58:12
○ 2026-03-22 14:38:52

○A185.18.9.782015-07-19 → 2015-12-07 · 4 obs

● 2015-07-19 23:24:00
● 2015-12-07 01:18:36
○ 2016-03-11 12:10:48
○ 2026-03-22 14:38:52

●A83.217.73.1542020-03-17 → 2026-03-22 · 3 obs

○ 2017-03-15 03:08:56
● 2020-03-17 14:58:12
● 2026-03-22 14:38:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
be	d.nsset.be, b.nsset.be, z.nsset.be, c.nsset.be...	-
clevermath.be	ns1.combell.eu, ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server: 89.44.166.48

NS records: ns1.combell.eu, ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clevermath.be (unsigned zone)

⏱️ Timing

Total: 827ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.217.73.154`
NS	3	`ns4.combell.net, ns1.combell.eu...`
MX	2	`mx.mailprotect.be (pri: 10), mx.backup.mailprotect.be (pri: 50)`
SOA	1	`ns3.combell.net hostmaster.clevermath.be`

Analysis

IP Addresses

clevermath.be points to a single IP address: 83.217.73.154.

Other host names, such as leesvoor.vlaanderen and clevercoach.be, share IP numbers with clevermath.be.

Name Servers

clevermath.be is delegated to three name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

clevermath.be at least partially shares name servers with other domains, for example kattyproost.com, iwcb.be, c2a.be, eveka.be and autostad.eu.

these name servers are commonly used with ns3.european-server.com, ns4.european-server.com, ns1.european-server.eu, ns1.easyhost.be, ns2.easyhost.be and ns3.easyhost.be.

Host names with two IP numbers:

ns1.combell.eu points to 2a00:1c98:50::50 and 89.44.166.48

ns3.combell.net points to 2a00:1c98::53:1 and 83.217.73.172

ns4.combell.net points to 2001:1598:0:101::3 and 86.39.202.67

Mail Servers

Two mail servers handle clevermath.be: mx.mailprotect.be and mx.backup.mailprotect.be.

clevermath.be shares the same mail server setup as other domains, including structural-engineering-software.com, pixonative.be, studiojm.be, rockaffligem.com and huisarts.be.

clevermath.be shares at least partially some mail servers with other domains, for instance architektenburo.be, muzieklo.be, cvtech.be, my-id.be and we-com.nl.