`the-vulnerable.eu`

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	`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	`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	`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 mx a include:_spf.relay.mailprotect.be ~all`
SOA	`ns1.combell.eu`hostmaster@the-vulnerable.eu serial=1764862523

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1126103967

Subdomains

www.the-vulnerable.eu

Same first word

the-vulnerable.eu

DNS History

10 records (6 active, 4 former)

○NSns.be.hostbasket.com2019-01-23 → 2019-01-23 · 3 obs

● 2019-01-23 19:19:26
○ 2026-03-27 20:41:04
○ 2026-07-14 19:30:22

○NSns.fr.hostbasket.com2019-01-23 → 2019-01-23 · 3 obs

● 2019-01-23 19:19:26
○ 2026-03-27 20:41:04
○ 2026-07-14 19:30:22

○NSns.nl.hostbasket.com2019-01-23 → 2019-01-23 · 3 obs

● 2019-01-23 19:19:26
○ 2026-03-27 20:41:04
○ 2026-07-14 19:30:22

●NSns1.combell.eu2026-03-27 → 2026-07-14 · 3 obs

○ 2019-01-23 19:19:26
● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

●NSns3.combell.net2026-03-27 → 2026-07-14 · 3 obs

○ 2019-01-23 19:19:26
● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

●NSns4.combell.net2026-03-27 → 2026-07-14 · 3 obs

○ 2019-01-23 19:19:26
● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

●MXmx.backup.mailprotect.be2026-03-27 → 2026-07-14 · 2 obs

● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

●MXmx.mailprotect.be2026-03-27 → 2026-07-14 · 2 obs

● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

○A149.5.24.1152019-01-23 → 2019-01-23 · 3 obs

● 2019-01-23 19:19:26
○ 2026-03-27 20:41:04
○ 2026-07-14 19:30:22

●A217.19.237.542026-03-27 → 2026-07-14 · 3 obs

○ 2019-01-23 19:19:26
● 2026-03-27 20:41:04
● 2026-07-14 19:30:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, be.dns.eu, y.dns.eu...	-
the-vulnerable.eu	ns4.combell.net, ns3.combell.net, ns1.combell.eu	2 records

✅ Authoritative Response

Server:86.39.202.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for the-vulnerable.eu (unsigned zone)

⏱️ Timing

Total: 663ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns4.combell.net, ns3.combell.net...`
MX	2	`mx.backup.mailprotect.be (pri: 50), mx.mailprotect.be (pri: 10)`
TXT	1	`v=spf1 mx a include:_spf.relay.mailprote`
SOA	1	`ns1.combell.eu hostmaster.the-vulnerable`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.combell.eu, ns1.combell.eu)

Analysis

Hierarchy

the-vulnerable.eu serves as the parent of www.the-vulnerable.eu.

IP Addresses

the-vulnerable.eu resolves to just one IP address, 217.19.237.54.

Two other host names, along with jerouville.be, cypres.be and wondersteen.eu, also share IP numbers with the-vulnerable.eu.

Name Servers

the-vulnerable.eu carries NS records delegating to ns1.combell.eu, ns3.combell.net and ns4.combell.net.

the-vulnerable.eu has at least partial name server overlap with other domains, such as retailbanks.net, rhodesgoed.be, chanook.be and two others.

These name servers tend to appear together with the name servers ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu.

ns1.combell.eu, ns3.combell.net and ns4.combell.net are three hostnames that each resolve to a pair of 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

the-vulnerable.eu is served by two mail servers, mx.mailprotect.be and mx.backup.mailprotect.be.

Among the domains sharing a mail server setup with the-vulnerable.eu are mobox.academy, blloan.be, servizio.be and two others.

There is at least a partial MX overlap between the-vulnerable.eu and other domains, including ymea.info, rijschoolwirix.be, gocycling.be and two others.

The hosts mx.mailprotect.be and mx.backup.mailprotect.be each point to four IP addresses: mx.mailprotect.be resolves to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143 and mx.backup.mailprotect.be directs to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143.