knowledgeactive.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgeactive.com`

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.european-server.com` ⭐
		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.european-server.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.european-server.com`
		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	`knowledgeactive-com.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:c967::8^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cpjpr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns3.european-server.com`hostmaster@knowledgeactive.com serial=1776698751

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1787658781

Same first word

knowledgeactive.com

Similar names

activeknowledge.eu

Previous names

Next names

DNS History

10 records (5 active, 5 former)

○NSns.be.hostbasket.com2015-07-16 → 2018-10-17 · 4 obs

● 2015-07-16 19:39:02
● 2018-10-17 06:07:44
○ 2026-08-24 03:14:56
○ 2026-08-25 12:23:12

○NSns.fr.hostbasket.com2015-07-16 → 2018-10-17 · 4 obs

● 2015-07-16 19:39:02
● 2018-10-17 06:07:44
○ 2026-08-24 03:14:56
○ 2026-08-25 12:23:12

○NSns.nl.hostbasket.com2015-07-16 → 2018-10-17 · 4 obs

● 2015-07-16 19:39:02
● 2018-10-17 06:07:44
○ 2026-08-24 03:14:56
○ 2026-08-25 12:23:12

●NSns1.european-server.eu2026-08-24 → 2026-08-25 · 3 obs

○ 2018-10-17 06:07:44
● 2026-08-24 03:14:56
● 2026-08-25 12:23:12

●NSns3.european-server.com2026-08-24 → 2026-08-25 · 3 obs

○ 2018-10-17 06:07:44
● 2026-08-24 03:14:56
● 2026-08-25 12:23:12

●NSns4.european-server.com2026-08-24 → 2026-08-25 · 3 obs

○ 2018-10-17 06:07:44
● 2026-08-24 03:14:56
● 2026-08-25 12:23:12

●MXknowledgeactive-com.mail.eo.outlook.com2015-07-16 → 2026-08-25 · 2 obs

● 2015-07-16 19:39:02
● 2026-08-25 12:23:12

○MXpublic019.be.fleximus.net2015-07-16 → 2018-10-17 · 4 obs

● 2015-07-16 19:39:02
● 2018-10-17 06:07:44
○ 2026-08-24 03:14:56
○ 2026-08-25 12:23:12

○MXpublic020.be.fleximus.net2015-07-16 → 2018-10-17 · 4 obs

● 2015-07-16 19:39:02
● 2018-10-17 06:07:44
○ 2026-08-24 03:14:56
○ 2026-08-25 12:23:12

●A217.19.237.542026-08-24 → 2026-08-25 · 2 obs

● 2026-08-24 03:14:56
● 2026-08-25 12:23:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...	-
knowledgeactive.com	ns3.european-server.com, ns4.european-server.com	4 records

✅ Authoritative Response

Server:83.217.73.172

NS records: ns3.european-server.com, ns4.european-server.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 557ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns3.european-server.com, ns4.european-server.com...`
MX	1	`knowledgeactive-com.mail.eo.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns3.european-server.com hostmaster.knowl`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.european-server.com, ns3.european-server.com, ns4.european-server.com...)

Analysis

IP Addresses

knowledgeactive.com directs to one IP number, which is 217.19.237.54.

Among the host names that share IP numbers with knowledgeactive.com are fondsanticancer.org, zeelyceum.be, immonico.com and two others.

Name Servers

knowledgeactive.com has three name servers — ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu.

knowledgeactive.com partially shares its NS delegation with several other domains, including fitnessking.nl, leerwinkel.be, wimgelders.be and two others.

These name servers regularly co-occur with the name servers ns3.combell.net, ns4.combell.net and ns1.combell.eu.

Each of ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu points to two IP numbers. ns3.european-server.com points to 83.217.73.172 and 2a00:1c98::53:1. ns4.european-server.com points to 86.39.202.67 and 2001:1598:0:101::3. ns1.european-server.eu points to 89.44.166.48 and 2a00:1c98:50::50.

Mail Servers

knowledgeactive.com routes its mail through a single mail server, knowledgeactive-com.mail.eo.outlook.com.

knowledgeactive-com.mail.eo.outlook.com directs to 8 IP numbers, including 52.101.68.12, 52.101.68.32 and 52.101.73.15, along with 5 other.