linux-kernel.de - dns.ninja

`linux-kernel.de`

DNSSEC	⚠️ Not signed
A	46.38.249.83^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
		PTR	`nobody.yourvserver.net`
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`mail.linux-kernel.de` ⭐
		A	46.38.249.99^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
			PTR	`nobody.yourvserver.net`
MX	`mxf963.netcup.net`⁽⁵⁰⁾
		A	46.38.249.99^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
			PTR	`nobody.yourvserver.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2019-03-18 #2

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1781886884

WOT: SAFE (65/100)

Subdomains

mail.linux-kernel.de

Same first word

linux-kernel.xyz

linux-kernel.com

linux-kernel.at

linux-kernel.net

linux-kernel.de

DNS History

11 records (6 active, 5 former)

○NSns1.1st-padberg.de2015-06-05 → 2016-07-08 · 4 obs

● 2015-06-05 21:39:42
● 2016-07-08 20:25:48
○ 2017-03-31 22:08:18
○ 2026-06-19 16:50:22

○NSns2.1st-padberg.de2015-06-05 → 2016-07-08 · 4 obs

● 2015-06-05 21:39:42
● 2016-07-08 20:25:48
○ 2017-03-31 22:08:18
○ 2026-06-19 16:50:22

○NSns3.1st-padberg.de2015-06-05 → 2016-07-08 · 4 obs

● 2015-06-05 21:39:42
● 2016-07-08 20:25:48
○ 2017-03-31 22:08:18
○ 2026-06-19 16:50:22

●NSroot-dns.netcup.net2017-03-31 → 2026-06-19 · 3 obs

○ 2016-07-08 20:25:48
● 2017-03-31 22:08:18
● 2026-06-19 16:50:22

●NSsecond-dns.netcup.net2017-03-31 → 2026-06-19 · 3 obs

○ 2016-07-08 20:25:48
● 2017-03-31 22:08:18
● 2026-06-19 16:50:22

●NSthird-dns.netcup.net2017-03-31 → 2026-06-19 · 3 obs

○ 2016-07-08 20:25:48
● 2017-03-31 22:08:18
● 2026-06-19 16:50:22

●MXmail.linux-kernel.de2015-06-05 → 2026-06-19 · 2 obs

● 2015-06-05 21:39:42
● 2026-06-19 16:50:22

●MXmxf963.netcup.net2017-03-31 → 2026-06-19 · 3 obs

○ 2015-06-05 21:39:42
● 2017-03-31 22:08:18
● 2026-06-19 16:50:22

○A185.82.85.1682016-03-06 → 2016-07-08 · 5 obs

○ 2015-10-24 12:44:10
● 2016-03-06 09:03:52
● 2016-07-08 20:25:48
○ 2017-03-31 22:08:18
○ 2026-06-19 16:50:22

●A46.38.249.832017-03-31 → 2026-06-19 · 3 obs

○ 2016-07-08 20:25:48
● 2017-03-31 22:08:18
● 2026-06-19 16:50:22

○A83.220.140.2412015-06-05 → 2015-10-24 · 4 obs

● 2015-06-05 21:39:42
● 2015-10-24 12:44:10
○ 2016-03-06 09:03:52
○ 2026-06-19 16:50:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
linux-kernel.de	root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-kernel.de (unsigned zone)

⏱️ Timing

Total: 1684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.249.83`
NS	3	`third-dns.netcup.net, root-dns.netcup.net...`
MX	2	`mail.linux-kernel.de (pri: 10), mxf963.netcup.net (pri: 50)`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

mail.linux-kernel.de is a subdomain of linux-kernel.de.

IP Addresses

linux-kernel.de has exactly one IP address — 46.38.249.83.

guybrush.net, i-so.de, dingsbu.ms plus two other host names have IP numbers in common with linux-kernel.de.

Name Servers

DNS for linux-kernel.de is handled by three authoritative name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

The name servers of linux-kernel.de overlap at least partially with those of other domains — among them messingerdesign.com, matzzze.de, ercontrol.de and two more.

Three hostnames — root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — each have two IP addresses: root-dns.netcup.net has 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net has 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net has 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

linux-kernel.de uses two mail servers, mail.linux-kernel.de and mxf963.netcup.net.

At least some of the mail servers used by linux-kernel.de are shared with other domains: 12121966.de, l3portal.com, slashho.me and two others among them.

These mail servers are often deployed together with mail.12121966.de, mail.l3portal.com, mail.slashho.me and 7 other mail servers.

Both mail.linux-kernel.de and mxf963.netcup.net have a single IP address, 46.38.249.99, and share it.

Host names pointing to 46.38.249.99 IP addresses: mail.linux-kernel.de and mxf963.netcup.net.