linuxexpert.at - dns.ninja

`linuxexpert.at`

DNSSEC	⚠️ Not signed
A	2a01:4f8:1061:1302::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www588.your-server.de`
A	162.55.254.27^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`www588.your-server.de` ⭐
		A	2a01:4f8:1061:1302::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www588.your-server.de`
		A	162.55.254.27^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`www588.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-01-16 #0

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1786658402

Same first word

linuxexpert.org

linuxexpert.at

linuxexpert.cz

linuxexpert.net

linuxexpert.in

linuxexpert.com.br

linuxexpert.com

linuxexpert.ro

linuxexpert.ne.jp

linuxexpert.de

Similar names

expertlinux.com

DNS History

10 records (6 active, 4 former)

○NSa.ns.hostedby.co.uk2015-07-23 → 2016-07-14 · 4 obs

● 2015-07-23 00:42:52
● 2016-07-14 23:34:20
○ 2026-03-24 22:05:42
○ 2026-08-13 22:42:54

●NSns.second-ns.com2026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

●NSns1.your-server.de2026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

●NSns3.second-ns.de2026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

○NSns6.gandi.net2015-07-23 → 2016-07-14 · 4 obs

● 2015-07-23 00:42:52
● 2016-07-14 23:34:20
○ 2026-03-24 22:05:42
○ 2026-08-13 22:42:54

○MXcharles.hostedby.co.uk2015-07-23 → 2016-07-14 · 4 obs

● 2015-07-23 00:42:52
● 2016-07-14 23:34:20
○ 2026-03-24 22:05:42
○ 2026-08-13 22:42:54

●MXwww588.your-server.de2026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

●A162.55.254.272026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

○A212.24.112.2082015-07-23 → 2016-07-14 · 4 obs

● 2015-07-23 00:42:52
● 2016-07-14 23:34:20
○ 2026-03-24 22:05:42
○ 2026-08-13 22:42:54

●A2a01:4f8:1061:1302::22026-03-24 → 2026-08-13 · 3 obs

○ 2016-07-14 23:34:20
● 2026-03-24 22:05:42
● 2026-08-13 22:42:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	d.ns.at, j.ns.at, n.ns.at, r.ns.at...	-
linuxexpert.at	ns3.second-ns.de, ns1.your-server.de, ns.second-ns.com	-

✅ Authoritative Response

Server:193.47.99.4

NS records: ns3.second-ns.de, ns1.your-server.de, ns.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxexpert.at (unsigned zone)

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.55.254.27`
AAAA	1	`2a01:4f8:1061:1302::2`
NS	3	`ns.second-ns.com, ns1.your-server.de...`
MX	1	`www588.your-server.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

Analysis

IP Addresses

linuxexpert.at points to the IP addresses 162.55.254.27 and 2a01:4f8:1061:1302::2

Among the host names that share IP numbers with linuxexpert.at are www.feine-privathotels.de, elektroschrottrecycling.com, www.revistaespacios.com and two others.

Name Servers

DNS for linuxexpert.at is handled by three authoritative name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

At least some of linuxexpert.at's name servers are shared with other domains, for example burf.co, enqt.de, immobilien-promotion.at and two more.

Three hostnames — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — each have two IP addresses: ns.second-ns.com has 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de has 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de has 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

linuxexpert.at routes its mail through a single mail server, www588.your-server.de.

linuxexpert.at has the same mail server arrangement as a number of other domains, for example elektroschrottrecycling.com, harreiter.at, lali.org and two more.

linuxexpert.at overlaps on mail servers with certain other domains, docnow24.de among them.

It is common to find these mail servers paired with the mail servers docnow24-de.mail.protection.outlook.com.

www588.your-server.de directs to two IP numbers, 162.55.254.27 and 2a01:4f8:1061:1302::2.