`delftdesignlabs.org`

DNSSEC	⚠️ Not signed
A	2a00:1c98:1000:10f4:0:2:911:e913^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
A	83.217.71.144^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
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`
SOA	`ns3.combell.net`hostmaster@delftdesignlabs.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=1778696200

Same first word

delftdesignlabs.nl

delftdesignlabs.com

delftdesignlabs.org

DNS History

11 records (7 active, 4 former)

●NSns1.combell.eu2026-04-03 → 2026-05-13 · 3 obs

○ 2021-03-20 23:25:34
● 2026-04-03 07:52:54
● 2026-05-13 18:44:52

○NSns1.tudelft.nl2015-05-09 → 2017-04-19 · 4 obs

● 2015-05-09 23:37:48
● 2017-04-19 20:58:00
○ 2021-03-20 23:25:34
○ 2026-05-13 18:44:52

○NSns2.tudelft.nl2015-05-09 → 2017-04-19 · 4 obs

● 2015-05-09 23:37:48
● 2017-04-19 20:58:00
○ 2021-03-20 23:25:34
○ 2026-05-13 18:44:52

●NSns3.combell.net2021-03-20 → 2026-05-13 · 3 obs

○ 2017-04-19 20:58:00
● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

○NSns3.tudelft.nl2015-05-09 → 2017-04-19 · 4 obs

● 2015-05-09 23:37:48
● 2017-04-19 20:58:00
○ 2021-03-20 23:25:34
○ 2026-05-13 18:44:52

●NSns4.combell.net2021-03-20 → 2026-05-13 · 3 obs

○ 2017-04-19 20:58:00
● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

●MXmx.backup.mailprotect.be2021-03-20 → 2026-05-13 · 2 obs

● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

●MXmx.mailprotect.be2021-03-20 → 2026-05-13 · 2 obs

● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

○A131.180.77.1022015-05-09 → 2017-04-19 · 4 obs

● 2015-05-09 23:37:48
● 2017-04-19 20:58:00
○ 2021-03-20 23:25:34
○ 2026-05-13 18:44:52

●A2a00:1c98:1000:10f4:0:2:911:e9132021-03-20 → 2026-05-13 · 3 obs

○ 2017-04-19 20:58:00
● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

●A83.217.71.1442021-03-20 → 2026-05-13 · 3 obs

○ 2017-04-19 20:58:00
● 2021-03-20 23:25:34
● 2026-05-13 18:44:52

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:86.39.202.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for delftdesignlabs.org (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.217.71.144`
AAAA	1	`2a00:1c98:1000:10f4:0:2:911:e913`
NS	3	`ns3.combell.net, ns1.combell.eu...`
MX	2	`mx.backup.mailprotect.be (pri: 50), mx.mailprotect.be (pri: 10)`
SOA	1	`ns3.combell.net hostmaster.delftdesignla`

Analysis

IP Addresses

delftdesignlabs.org resolves to two IP numbers: 2a00:1c98:1000:10f4:0:2:911:e913 and 83.217.71.144.

Other host names, for instance kranenburg.com, harlingensail.com, buying.nl, www.fitbeauty.nl and live-cartooning.nl share IP numbers with delftdesignlabs.org.

Name Servers

delftdesignlabs.org delegates to three name servers: ns1.combell.eu, ns3.combell.net and ns4.combell.net.

delftdesignlabs.org shares some name servers with other domains, for example bilanzen.be, health-house.be, janeoo.ru, aperol.nl and lucaty.be.

These name servers are often used together with ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu.

Host names with two IP numbers:

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

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

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

Mail Servers

delftdesignlabs.org is served by two mail servers: mx.mailprotect.be and mx.backup.mailprotect.be.

delftdesignlabs.org shares the mail server setup with other domains, for example bereik.online, connosco.be, rossinant.be, dupho.com and falkculinair.com.

delftdesignlabs.org shares some mail servers with other domains, at least partially; for instance stephaniefraikin.com, advico.net, machinified.com, mandu.be and sedatech.be.