lernserver.com - dns.ninja

`lernserver.com`

DNSSEC	⚠️ Not signed
A	162.55.80.47^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
		PTR	`xenon.lernserver.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.lernserver.com` ⭐
		A	162.55.80.47^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`xenon.lernserver.de`
TXT	`OPE0056783`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-11 #0

`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=1786251154

Subdomains

mail.lernserver.com

Same first word

lernserver.at

lernserver.de

lernserver.com

DNS History

9 records (5 active, 4 former)

○NSns1.bartels-schoene.de2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:50:32
○ 2015-07-21 05:02:24
○ 2026-08-09 05:05:22

○NSns1.dns-service.net2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:50:32
○ 2015-07-21 05:02:24
○ 2026-08-09 05:05:22

●NSns1.first-ns.de2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-19 22:50:32
● 2015-07-21 05:02:24
● 2026-08-09 05:05:22

●NSrobotns2.second-ns.de2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-19 22:50:32
● 2015-07-21 05:02:24
● 2026-08-09 05:05:22

●NSrobotns3.second-ns.com2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-19 22:50:32
● 2015-07-21 05:02:24
● 2026-08-09 05:05:22

●MXmail.lernserver.com2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-19 22:50:32
● 2015-07-21 05:02:24
● 2026-08-09 05:05:22

●A162.55.80.472026-03-30 → 2026-08-09 · 3 obs

○ 2017-03-22 20:45:46
● 2026-03-30 02:04:22
● 2026-08-09 05:05:22

○A176.9.140.1472015-07-21 → 2017-03-22 · 5 obs

○ 2008-03-19 22:50:32
● 2015-07-21 05:02:24
● 2017-03-22 20:45:46
○ 2026-03-30 02:04:22
○ 2026-08-09 05:05:22

○A87.249.96.602008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:50:32
○ 2015-07-21 05:02:24
○ 2026-08-09 05:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
lernserver.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lernserver.com (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.55.80.47`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`mail.lernserver.com (pri: 10)`
TXT	1	`OPE0056783`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

Hierarchy

mail.lernserver.com is a subdomain of lernserver.com.

IP Addresses

lernserver.com resolves to just one IP address, 162.55.80.47.

Two other host names, along with mail.ltwc.de, mail.lernserver.com and learninggrammar.de, also share IP numbers with lernserver.com.

Name Servers

lernserver.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

The name servers of lernserver.com overlap at least partially with those of other domains — among them dorfblick-gerlos.at, awr-portal.de, xn--schler-nacht-flb.de and two more.

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

Mail Servers

The sole mail server for lernserver.com is mail.lernserver.com.

mail.lernserver.com resolves to a single IP number: 162.55.80.47.