linux-kernel.at - dns.ninja

`linux-kernel.at`

DNSSEC	⚠️ Not signed
A	138.199.128.141^{🇩🇪 Hetzner138.199.128.0/17 HETZNER-DC}
		PTR	`static.141.128.199.138.clients.your-server.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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`keybase-site-verification=tMuRgrDKoW77fPdZ7OKrUq0nTtJFHrPmJN_Wywd68BQ`
TXT	`MS=9F225D0683066F9344D4393D8FB402D291BAFD88`
SOA	`ns1.first-ns.de`hostmaster@linux-kernel.at 2026-06-17 #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=1781834402

WOT: SAFE (64/100)

Subdomains

f1.linux-kernel.at

webfe01.linux-kernel.at

git02.linux-kernel.at

nc01.linux-kernel.at

www.linux-kernel.at

ns1.linux-kernel.at

git.linux-kernel.at

jumphost.linux-kernel.at

ns2.linux-kernel.at

ns3.linux-kernel.at

Same first word

linux-kernel.com

linux-kernel.at

linux-kernel.net

linux-kernel.de

linux-kernel.xyz

DNS History

23 records (9 active, 14 former)

●NSns1.first-ns.de2018-12-24 → 2026-06-19 · 3 obs

○ 2018-12-14 09:31:52
● 2018-12-24 10:24:18
● 2026-06-19 02:34:56

○NSns1.linux-kernel.at2015-08-20 → 2018-12-14 · 4 obs

● 2015-08-20 01:12:56
● 2018-12-14 09:31:52
○ 2018-12-24 10:24:18
○ 2026-06-19 02:34:56

○NSns2.linux-kernel.at2015-08-20 → 2018-12-14 · 4 obs

● 2015-08-20 01:12:56
● 2018-12-14 09:31:52
○ 2018-12-24 10:24:18
○ 2026-06-19 02:34:56

●NSrobotns2.second-ns.de2018-12-24 → 2026-06-19 · 3 obs

○ 2018-12-14 09:31:52
● 2018-12-24 10:24:18
● 2026-06-19 02:34:56

●NSrobotns3.second-ns.com2018-12-24 → 2026-06-19 · 3 obs

○ 2018-12-14 09:31:52
● 2018-12-24 10:24:18
● 2026-06-19 02:34:56

●MXalt1.aspmx.l.google.com2018-11-10 → 2026-06-19 · 3 obs

○ 2018-08-15 15:11:38
● 2018-11-10 14:27:52
● 2026-06-19 02:34:56

●MXalt2.aspmx.l.google.com2018-11-10 → 2026-06-19 · 3 obs

○ 2018-08-15 15:11:38
● 2018-11-10 14:27:52
● 2026-06-19 02:34:56

●MXaspmx.l.google.com2018-11-10 → 2026-06-19 · 3 obs

○ 2018-08-15 15:11:38
● 2018-11-10 14:27:52
● 2026-06-19 02:34:56

●MXaspmx2.googlemail.com2018-11-10 → 2026-06-19 · 3 obs

○ 2018-08-15 15:11:38
● 2018-11-10 14:27:52
● 2026-06-19 02:34:56

●MXaspmx3.googlemail.com2018-11-10 → 2026-06-19 · 3 obs

○ 2018-08-15 15:11:38
● 2018-11-10 14:27:52
● 2026-06-19 02:34:56

○MXf1.linux-kernel.at2018-04-02 → 2018-08-15 · 5 obs

○ 2017-01-23 11:42:28
● 2018-04-02 18:04:16
● 2018-08-15 15:11:38
○ 2018-11-10 14:27:52
○ 2026-06-19 02:34:56

○MXmail.linux-kernel.at2015-08-20 → 2017-01-23 · 4 obs

● 2015-08-20 01:12:56
● 2017-01-23 11:42:28
○ 2018-04-02 18:04:16
○ 2026-06-19 02:34:56

○MXmx2.linux-kernel.at2015-08-20 → 2017-01-23 · 4 obs

● 2015-08-20 01:12:56
● 2017-01-23 11:42:28
○ 2018-04-02 18:04:16
○ 2026-06-19 02:34:56

●A138.199.128.1412026-04-07 → 2026-06-19 · 3 obs

○ 2026-04-01 01:41:26
● 2026-04-07 10:06:12
● 2026-06-19 02:34:56

○A148.251.13.292026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-27 12:07:28
● 2026-04-01 01:41:26
○ 2026-04-07 10:06:12
○ 2026-06-19 02:34:56

○A178.63.73.2472019-01-23 → 2026-03-27 · 5 obs

○ 2018-12-24 10:24:18
● 2019-01-23 10:25:34
● 2026-03-27 12:07:28
○ 2026-04-01 01:41:26
○ 2026-06-19 02:34:56

○A178.63.73.2502026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-27 12:07:28
● 2026-04-01 01:41:26
○ 2026-04-07 10:06:12
○ 2026-06-19 02:34:56

○A195.64.146.1952018-04-02 → 2018-12-24 · 5 obs

○ 2017-01-23 11:42:28
● 2018-04-02 18:04:16
● 2018-12-24 10:24:18
○ 2019-01-23 10:25:34
○ 2026-06-19 02:34:56

○A2001:858:6:201::146:1952016-03-11 → 2019-03-10 · 5 obs

○ 2015-12-12 07:44:30
● 2016-03-11 21:58:02
● 2019-03-10 17:39:30
○ 2019-04-03 09:07:24
○ 2026-06-19 02:34:56

○A2001:858:6:201::822015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 01:12:56
● 2015-12-12 07:44:30
○ 2016-03-11 21:58:02
○ 2026-06-19 02:34:56

○A213.129.242.822015-08-20 → 2017-01-23 · 4 obs

● 2015-08-20 01:12:56
● 2017-01-23 11:42:28
○ 2018-04-02 18:04:16
○ 2026-06-19 02:34:56

○A37.27.167.1742026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-27 12:07:28
● 2026-04-01 01:41:26
○ 2026-04-07 10:06:12
○ 2026-06-19 02:34:56

○A88.99.97.872026-04-01 → 2026-04-01 · 4 obs

○ 2026-03-27 12:07:28
● 2026-04-01 01:41:26
○ 2026-04-07 10:06:12
○ 2026-06-19 02:34:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...	-
linux-kernel.at	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ 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 linux-kernel.at (unsigned zone)

⏱️ Timing

Total: 926ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.199.128.141`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	2	`keybase-site-verification=tMuRgrDKoW77fP, MS=9F225D0683066F9344D4393D8FB402D291BAF`
SOA	1	`ns1.first-ns.de hostmaster.linux-kernel.`

Analysis

Hierarchy

f1.linux-kernel.at, webfe01.linux-kernel.at, git02.linux-kernel.at, nc01.linux-kernel.at, www.linux-kernel.at and a few other host names are all children of linux-kernel.at.

IP Addresses

linux-kernel.at resolves to just one IP address, 138.199.128.141.

Two other host names, along with government-austria.at, ownfog.com and nonstopfuture.org, also share IP numbers with linux-kernel.at.

Name Servers

Three name servers are authoritative for linux-kernel.at: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

The name servers of linux-kernel.at overlap at least partially with those of other domains — among them go-sonnen.com, alegria-naturkosmetik.de, schloss-friedensburg.de and two more.

The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are commonly seen alongside these name servers.

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. All three hostnames point to two IP numbers each.

Mail Servers

linux-kernel.at has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between linux-kernel.at and other domains, including hillbirds.com, ns500821.ns500794.ns500841.ns500841.ns500794.ns500841.ns500794.ns500821.ns500794.ns500795.ns500794.ns500794.ns500821.ns500790.ns500795.lustypartnersfinder.com, jothub.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com maps to two IP addresses — 142.250.31.26 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.26 IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 172.253.116.27 IP addresses.