`linuxnotebooks.com`

DNSSEC	⚠️ Not signed
A	138.201.228.75^{🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4}
		PTR	`k73u93.meinserver.io`
NS	`hydrogen.ns.hetzner.com` ⭐
		A	2a01:4f8:0:1::add:1098^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`hydrogen.ns.hetzner.com`
		A	213.133.100.98^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`hydrogen.ns.hetzner.com`
NS	`helium.ns.hetzner.de`
		A	2001:67c:192c::add:5^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`helium.ns.hetzner.de`
		A	193.47.99.5^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`helium.ns.hetzner.de`
NS	`oxygen.ns.hetzner.com`
		A	2a01:4f8:0:1::add:2992^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`oxygen.ns.hetzner.com`
		A	88.198.229.192^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`oxygen.ns.hetzner.com`
MX	`mail.linuxnotebooks.com` ⭐
		A	159.69.62.71^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`static.71.62.69.159.clients.your-server.de`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-03-09 #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=1778668186

Subdomains

mail.linuxnotebooks.com

Same first word

linuxnotebooks.net

linuxnotebooks.de

linuxnotebooks.com

DNS History

8 records (5 active, 3 former)

●NShelium.ns.hetzner.de2026-02-16 → 2026-05-13 · 3 obs

○ 2017-05-27 17:31:40
● 2026-02-16 09:35:00
● 2026-05-13 10:56:02

●NShydrogen.ns.hetzner.com2026-02-16 → 2026-05-13 · 3 obs

○ 2017-05-27 17:31:40
● 2026-02-16 09:35:00
● 2026-05-13 10:56:02

○NSns.volstate.net2015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 18:08:06
● 2017-05-27 17:31:40
○ 2026-02-16 09:35:00
○ 2026-05-13 10:56:02

○NSns9.volstate.net2015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 18:08:06
● 2017-05-27 17:31:40
○ 2026-02-16 09:35:00
○ 2026-05-13 10:56:02

●NSoxygen.ns.hetzner.com2026-02-16 → 2026-05-13 · 3 obs

○ 2017-05-27 17:31:40
● 2026-02-16 09:35:00
● 2026-05-13 10:56:02

●MXmail.linuxnotebooks.com2026-02-16 → 2026-05-13 · 2 obs

● 2026-02-16 09:35:00
● 2026-05-13 10:56:02

●A138.201.228.752026-02-16 → 2026-05-13 · 3 obs

○ 2017-05-27 17:31:40
● 2026-02-16 09:35:00
● 2026-05-13 10:56:02

○A199.15.156.222015-05-25 → 2017-05-27 · 4 obs

● 2015-05-25 18:08:06
● 2017-05-27 17:31:40
○ 2026-02-16 09:35:00
○ 2026-05-13 10:56:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxnotebooks.com	helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com	2 records

✅ Authoritative Response

Server:213.133.100.98

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxnotebooks.com (unsigned zone)

⏱️ Timing

Total: 2384ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.201.228.75`
NS	3	`oxygen.ns.hetzner.com, helium.ns.hetzner.de...`
MX	1	`mail.linuxnotebooks.com (pri: 10)`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)

Analysis

Hierarchy

linuxnotebooks.com is parent of mail.linuxnotebooks.com.

IP Addresses

linuxnotebooks.com points to a single IP: 138.201.228.75.

Other host names, for instance cluster.fidu.org, mail2.linux-onlineshop.de, heba-sound.de, k73u93.meinserver.io and mail.computer-hilfe-forum.de share IP numbers with linuxnotebooks.com.

Name Servers

linuxnotebooks.com is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

linuxnotebooks.com at least partially shares its name servers with other domains, for instance anarchist.nexus, greenovation.com, rodionamin.net, abv-ttp.de and marcodes.com.

These name servers are often used together with the name servers robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to: 2a01:4f8:0:1::add:1098 and 213.133.100.98.

oxygen.ns.hetzner.com points to: 2a01:4f8:0:1::add:2992 and 88.198.229.192.

helium.ns.hetzner.de points to: 2001:67c:192c::add:5 and 193.47.99.5.

Mail Servers

linuxnotebooks.com is served by a single mail server, mail.linuxnotebooks.com.

mail.linuxnotebooks.com points to IP number 159.69.62.71.

linuxnotebooks.com - robtex.com