linux-kernel.net - dns.ninja

`linux-kernel.net`

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.net` ⭐
		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 #9

`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=1782001355

Subdomains

www.linux-kernel.net

mail.linux-kernel.net

Same first word

linux-kernel.com

linux-kernel.at

linux-kernel.net

linux-kernel.de

linux-kernel.xyz

DNS History

11 records (6 active, 5 former)

○NSns1.1st-padberg.de2015-08-06 → 2017-02-10 · 4 obs

● 2015-08-06 08:47:52
● 2017-02-10 03:50:44
○ 2018-12-13 14:18:38
○ 2026-06-21 00:31:40

○NSns2.1st-padberg.de2015-08-06 → 2017-02-10 · 4 obs

● 2015-08-06 08:47:52
● 2017-02-10 03:50:44
○ 2018-12-13 14:18:38
○ 2026-06-21 00:31:40

○NSns3.1st-padberg.de2015-08-06 → 2017-02-10 · 4 obs

● 2015-08-06 08:47:52
● 2017-02-10 03:50:44
○ 2018-12-13 14:18:38
○ 2026-06-21 00:31:40

●NSroot-dns.netcup.net2018-12-13 → 2026-06-21 · 3 obs

○ 2017-02-10 03:50:44
● 2018-12-13 14:18:38
● 2026-06-21 00:31:40

●NSsecond-dns.netcup.net2018-12-13 → 2026-06-21 · 3 obs

○ 2017-02-10 03:50:44
● 2018-12-13 14:18:38
● 2026-06-21 00:31:40

●NSthird-dns.netcup.net2018-12-13 → 2026-06-21 · 3 obs

○ 2017-02-10 03:50:44
● 2018-12-13 14:18:38
● 2026-06-21 00:31:40

●MXmail.linux-kernel.net2015-08-06 → 2026-06-21 · 2 obs

● 2015-08-06 08:47:52
● 2026-06-21 00:31:40

●MXmxf963.netcup.net2018-12-13 → 2026-06-21 · 3 obs

○ 2015-08-06 08:47:52
● 2018-12-13 14:18:38
● 2026-06-21 00:31:40

○A185.82.85.1682016-02-27 → 2017-02-10 · 5 obs

○ 2015-11-25 05:19:56
● 2016-02-27 07:38:18
● 2017-02-10 03:50:44
○ 2018-12-13 14:18:38
○ 2026-06-21 00:31:40

●A46.38.249.832018-12-13 → 2026-06-21 · 3 obs

○ 2017-02-10 03:50:44
● 2018-12-13 14:18:38
● 2026-06-21 00:31:40

○A83.220.140.2412015-08-06 → 2015-11-25 · 4 obs

● 2015-08-06 08:47:52
● 2015-11-25 05:19:56
○ 2016-02-27 07:38:18
○ 2026-06-21 00:31:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linux-kernel.net	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	6 records

✅ Authoritative Response

Server:46.38.225.225

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 287ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (root-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net...)

Analysis

Hierarchy

linux-kernel.net serves as the parent of www.linux-kernel.net and mail.linux-kernel.net.

IP Addresses

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

bdfconsultants.de, nikki-pahl.de, www.nikki-pahl.de plus two other host names have IP numbers in common with linux-kernel.net.

Name Servers

linux-kernel.net is served by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

linux-kernel.net has at least partial name server overlap with other domains, such as sebastian-stoll.de, delysid.de, okaestne.de and two others.

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

Mail Servers

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

At least some of the mail servers used by linux-kernel.net are shared with other domains: 50jahrestifts.de, a40metallbau.de, jaegerzug-immertreu.de and two others among them.

These mail servers are often deployed together with mail.50jahrestifts.de, mail.a40metallbau.de, mail.jaegerzug-immertreu.de and 7 other mail servers.

Each of mail.linux-kernel.net and mxf963.netcup.net points to exactly one IP address: 46.38.249.99.

mail.linux-kernel.net and mxf963.netcup.net each have 46.38.249.99 IP addresses.