lehrmaterial.com - dns.ninja

`lehrmaterial.com`

DNSSEC	⚠️ Not signed
A	178.63.51.4^{🇩🇪 Hetzner178.63.0.0/16 HETZNER-RZ-FKS-BLK2}
		PTR	`static.4.51.63.178.clients.your-server.de`
NS	`ns73.domaincontrol.com` ⭐
		A	2603:5:21a4::2f^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns73.domaincontrol.com`
		A	97.74.106.47^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns73.domaincontrol.com`
NS	`ns74.domaincontrol.com`
		A	2603:5:22a4::2f^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns74.domaincontrol.com`
		A	173.201.74.47^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns74.domaincontrol.com`
MX	`mx0.lehrmaterial.com` ⭐
		A	80.237.138.5^{🇩🇪 GD-EMEA-DC-CGN180.237.138.0/24 GD MASS Network}
			PTR	`mx0.webpack.hosteurope.de`
TXT	`v=spf1 a mx include:spf.server-he.de -all`
SOA	`ns73.domaincontrol.com`dns@jomax.net 2025-09-25 #15

`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=1784416572

Subdomains

mx0.lehrmaterial.com

Same first word

lehrmaterial.at

lehrmaterial.com

lehrmaterial.net

DNS History

6 records (4 active, 2 former)

○NSc1.wpns.hosteurope.de2015-08-07 → 2020-02-08 · 4 obs

● 2015-08-07 00:22:40
● 2020-02-08 04:52:18
○ 2026-03-25 14:06:50
○ 2026-07-18 23:23:56

○NSc1.wsns.hosteurope.de2015-08-07 → 2020-02-08 · 4 obs

● 2015-08-07 00:22:40
● 2020-02-08 04:52:18
○ 2026-03-25 14:06:50
○ 2026-07-18 23:23:56

●NSns73.domaincontrol.com2026-03-25 → 2026-07-18 · 3 obs

○ 2020-02-08 04:52:18
● 2026-03-25 14:06:50
● 2026-07-18 23:23:56

●NSns74.domaincontrol.com2026-03-25 → 2026-07-18 · 3 obs

○ 2020-02-08 04:52:18
● 2026-03-25 14:06:50
● 2026-07-18 23:23:56

●MXmx0.lehrmaterial.com2015-08-07 → 2026-07-18 · 2 obs

● 2015-08-07 00:22:40
● 2026-07-18 23:23:56

●A178.63.51.42015-08-07 → 2026-07-18 · 2 obs

● 2015-08-07 00:22:40
● 2026-07-18 23:23:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
lehrmaterial.com	ns73.domaincontrol.com, ns74.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.74.47

NS records: ns73.domaincontrol.com, ns74.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lehrmaterial.com (unsigned zone)

⏱️ Timing

Total: 2352ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.63.51.4`
NS	2	`ns73.domaincontrol.com, ns74.domaincontrol.com`
MX	1	`mx0.lehrmaterial.com (pri: 50)`
TXT	1	`v=spf1 a mx include:spf.server-he.de -al`
SOA	1	`ns73.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)

Analysis

Hierarchy

lehrmaterial.com serves as the parent of mx0.lehrmaterial.com.

IP Addresses

lehrmaterial.com has exactly one IP address — 178.63.51.4.

static.4.51.63.178.clients.your-server.de, mathscript.de, lernmaterial.com plus two other host names have IP numbers in common with lehrmaterial.com.

Name Servers

The NS records for lehrmaterial.com delegate to ns73.domaincontrol.com and ns74.domaincontrol.com.

The name server configuration of lehrmaterial.com is shared with other domains, for instance twin-totems.com, gothicplanet.net, hillcrestca.org and two others.

lehrmaterial.com and other domains like nicecaptures.com share at least a portion of their name servers.

ns73.domaincontrol.com resolves to 97.74.106.47 and 2603:5:21a4::2f. Likewise, ns74.domaincontrol.com resolves to 173.201.74.47 and 2603:5:22a4::2f — two IP addresses apiece.

Mail Servers

lehrmaterial.com uses one mail server — mx0.lehrmaterial.com.

mx0.lehrmaterial.com resolves to 80.237.138.5 and no other IP number.