`hsdcampus.org`

DNSSEC	⚠️ Not signed
A	217.19.237.54^{🇧🇪 COMBELL-AS217.19.224.0/20 COMBELL Network Brussels, Belgium}
		PTR	`217.19.237.54.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` ⚠️ Not in parent delegation
		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`
TXT	`v=spf1 include:spf.byte.nl ?all`
SOA	`ns3.combell.net`hostmaster@hsdcampus.org serial=1669488863

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783091092

Same first word

hsdcampus.org

hsdcampus.eu

DNS History

13 records (6 active, 7 former)

●NSns1.combell.eu2026-07-02 → 2026-07-03 · 3 obs

○ 2020-01-27 03:21:56
● 2026-07-02 23:43:12
● 2026-07-03 15:35:02

●NSns3.combell.net2020-01-27 → 2026-07-03 · 3 obs

○ 2017-03-17 18:55:30
● 2020-01-27 03:21:56
● 2026-07-03 15:35:02

●NSns4.combell.net2020-01-27 → 2026-07-03 · 3 obs

○ 2017-03-17 18:55:30
● 2020-01-27 03:21:56
● 2026-07-03 15:35:02

○NSnsa.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

○NSnsb.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

○NSnsc.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

●MXmx.backup.mailprotect.be2020-01-27 → 2026-07-03 · 3 obs

○ 2017-03-17 18:55:30
● 2020-01-27 03:21:56
● 2026-07-03 15:35:02

●MXmx.mailprotect.be2020-01-27 → 2026-07-03 · 3 obs

○ 2017-03-17 18:55:30
● 2020-01-27 03:21:56
● 2026-07-03 15:35:02

○MXsmtp-niet-gebruiken.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

○MXsmtp1.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

○MXsmtp2.byte.nl2015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

●A217.19.237.542020-01-27 → 2026-07-03 · 3 obs

○ 2017-03-17 18:55:30
● 2020-01-27 03:21:56
● 2026-07-03 15:35:02

○A46.21.227.472015-08-21 → 2017-03-17 · 4 obs

● 2015-08-21 13:33:06
● 2017-03-17 18:55:30
○ 2020-01-27 03:21:56
○ 2026-07-03 15:35:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
hsdcampus.org	ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server:83.217.73.172

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hsdcampus.org (unsigned zone)

⏱️ Timing

Total: 797ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns1.combell.eu, ns3.combell.net...`
MX	2	`mx.backup.mailprotect.be (pri: 50), mx.mailprotect.be (pri: 10)`
TXT	1	`v=spf1 include:spf.byte.nl ?all`
SOA	1	`ns3.combell.net hostmaster.hsdcampus.org`

Analysis

IP Addresses

hsdcampus.org resolves to just one IP address, 217.19.237.54.

Two other host names, along with businessone.be, kokspanel.nl and frederikeverhorst.be, also share IP numbers with hsdcampus.org.

Name Servers

hsdcampus.org is served by three name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

The name servers of hsdcampus.org overlap at least partially with those of other domains — among them walfrabouw.be, debattle.be, t1t.be and two more.

The name servers ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu are commonly seen alongside these name servers.

The hostnames ns1.combell.eu, ns3.combell.net and ns4.combell.net each direct to two IP addresses — ns1.combell.eu to 89.44.166.48 and 2a00:1c98:50::50, ns3.combell.net to 83.217.73.172 and 2a00:1c98::53:1, and ns4.combell.net to 86.39.202.67 and 2001:1598:0:101::3.

Mail Servers

hsdcampus.org is served by two mail servers, mx.mailprotect.be and mx.backup.mailprotect.be.

Among the domains sharing a mail server setup with hsdcampus.org are heylen.be, equinia.com, nadinewijnants.be and two others.

There is at least a partial MX overlap between hsdcampus.org and other domains, including helys.group, prepaidforum.net, her.be and two others.

Each of the hosts mx.mailprotect.be and mx.backup.mailprotect.be points to four IP numbers: mx.mailprotect.be directs to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143 and mx.backup.mailprotect.be points to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143.