`knowledgevisualisation.net`

DNSSEC	⚠️ Not signed
A	46.4.40.74^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
		PTR	`static.74.40.4.46.clients.your-server.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.knowledgevisualisation.net` ⭐
		A	46.4.40.74^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.74.40.4.46.clients.your-server.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-14 #0

`net`

	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=1786000359

Subdomains

mail.knowledgevisualisation.net

Same first word

knowledgevisualisation.net

DNS History

5 records (5 active, 0 former)

●NSns1.first-ns.de2015-08-15 → 2026-08-06 · 2 obs

● 2015-08-15 23:55:24
● 2026-08-06 07:13:16

●NSrobotns2.second-ns.de2015-08-15 → 2026-08-06 · 2 obs

● 2015-08-15 23:55:24
● 2026-08-06 07:13:16

●NSrobotns3.second-ns.com2015-08-15 → 2026-08-06 · 2 obs

● 2015-08-15 23:55:24
● 2026-08-06 07:13:16

●MXmail.knowledgevisualisation.net2015-08-15 → 2026-08-06 · 2 obs

● 2015-08-15 23:55:24
● 2026-08-06 07:13:16

●A46.4.40.742015-08-15 → 2026-08-06 · 2 obs

● 2015-08-15 23:55:24
● 2026-08-06 07:13:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowledgevisualisation.net	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgevisualisation.net (unsigned zone)

⏱️ Timing

Total: 1765ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.40.74`
NS	3	`robotns2.second-ns.de, robotns3.second-ns.com...`
MX	1	`mail.knowledgevisualisation.net (pri: 10`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

mail.knowledgevisualisation.net is a subdomain of knowledgevisualisation.net.

IP Addresses

knowledgevisualisation.net points to a single IP number: 46.4.40.74.

Additional host names — mail.knowledgevisualization.net, karikatur.at, wissensvisualisierung.net and two others — share IP numbers with knowledgevisualisation.net.

Name Servers

knowledgevisualisation.net carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

The name servers of knowledgevisualisation.net overlap at least partially with those of other domains — among them seomoz.de, ctlf.co.uk, metalarchiv.de and two more.

These name servers commonly appear in combination with the name servers hydrogen.ns.hetzner.com.

robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.

Mail Servers

knowledgevisualisation.net has one mail server: mail.knowledgevisualisation.net.

mail.knowledgevisualisation.net carries a single IP number, which is 46.4.40.74.

knowledgevisualisation.net - robtex.com