`isi-luftfilter.de`

DNSSEC	⚠️ Not signed
A	5.75.244.152^{🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC}
		PTR	`static.152.244.75.5.clients.your-server.de`
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	`isiluftfilter-de0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca27::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::1^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	2a01:111:f403:ca2d::2^{🇩🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
		A	52.101.168.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-beup281cu00100.inbound.protection.outlook.com`
		A	52.101.170.0^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr5p281cu00500.inbound.protection.outlook.com`
		A	52.101.170.1^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr4p281cu03101.inbound.protection.outlook.com`
		A	52.101.170.2^{🇩🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-fr6p281cu00202.inbound.protection.outlook.com`
TXT	`1nka18r2pbrpvh57j51rl9t3r4`
TXT	`google-site-verification=UVbLlEdBkSm0r0E1OcaAaJPCPPIl90w6hx2b7UGBOPs`
TXT	`v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ip4:212.184...`
SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-02-23 #0

`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=1785225417

WOT: SAFE (68/100)

Subdomains

www.isi-luftfilter.de

Same first word

isi-luftfilter.de

DNS History

18 records (5 active, 13 former)

●NShelium.ns.hetzner.de2026-03-20 → 2026-07-28 · 3 obs

○ 2019-04-12 01:30:32
● 2026-03-20 03:56:28
● 2026-07-28 08:09:14

●NShydrogen.ns.hetzner.com2026-03-20 → 2026-07-28 · 3 obs

○ 2019-04-12 01:30:32
● 2026-03-20 03:56:28
● 2026-07-28 08:09:14

○NSns1.hans.hosteurope.de2016-02-24 → 2019-04-12 · 5 obs

○ 2015-11-13 22:22:10
● 2016-02-24 03:23:42
● 2019-04-12 01:30:32
○ 2026-03-20 03:56:28
○ 2026-07-28 08:09:14

○NSns1.wf01.de2015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

○NSns2.hans.hosteurope.de2016-02-24 → 2019-04-12 · 5 obs

○ 2015-11-13 22:22:10
● 2016-02-24 03:23:42
● 2019-04-12 01:30:32
○ 2026-03-20 03:56:28
○ 2026-07-28 08:09:14

○NSns2.wf01.de2015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

○NSns3.wf01.de2015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

●NSoxygen.ns.hetzner.com2026-03-20 → 2026-07-28 · 3 obs

○ 2019-04-12 01:30:32
● 2026-03-20 03:56:28
● 2026-07-28 08:09:14

●MXisiluftfilter-de0i.mail.protection.outlook.com2026-03-20 → 2026-07-28 · 3 obs

○ 2019-04-12 01:30:32
● 2026-03-20 03:56:28
● 2026-07-28 08:09:14

○MXmail.webfox01.de2015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

○MXmail3.webfox01.de2015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

○MXmx0.isi-luftfilter.de2016-02-24 → 2017-02-14 · 5 obs

○ 2015-11-13 22:22:10
● 2016-02-24 03:23:42
● 2017-02-14 09:40:48
○ 2019-04-12 01:30:32
○ 2026-07-28 08:09:14

○MXsecurity.isi-luftfilter.de2019-04-12 → 2019-04-12 · 4 obs

○ 2017-02-14 09:40:48
● 2019-04-12 01:30:32
○ 2026-03-20 03:56:28
○ 2026-07-28 08:09:14

○A2a01:488:42:1000:50ed:857f:13:227b2016-02-24 → 2019-04-12 · 5 obs

○ 2015-11-13 22:22:10
● 2016-02-24 03:23:42
● 2019-04-12 01:30:32
○ 2026-03-20 03:56:28
○ 2026-07-28 08:09:14

○A46.4.158.1922015-07-07 → 2015-11-13 · 4 obs

● 2015-07-07 01:55:14
● 2015-11-13 22:22:10
○ 2016-02-24 03:23:42
○ 2026-07-28 08:09:14

○A5.35.226.1272019-04-12 → 2019-04-12 · 4 obs

○ 2017-02-14 09:40:48
● 2019-04-12 01:30:32
○ 2026-03-20 03:56:28
○ 2026-07-28 08:09:14

●A5.75.244.1522026-03-20 → 2026-07-28 · 3 obs

○ 2019-04-12 01:30:32
● 2026-03-20 03:56:28
● 2026-07-28 08:09:14

○A80.237.133.1272016-02-24 → 2017-02-14 · 5 obs

○ 2015-11-13 22:22:10
● 2016-02-24 03:23:42
● 2017-02-14 09:40:48
○ 2019-04-12 01:30:32
○ 2026-07-28 08:09:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
isi-luftfilter.de	helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com	-

✅ Authoritative Response

Server:213.133.100.98

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isi-luftfilter.de (unsigned zone)

⏱️ Timing

Total: 1240ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.75.244.152`
NS	3	`hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...`
MX	1	`isiluftfilter-de0i.mail.protection.outlo`
TXT	3	`1nka18r2pbrpvh57j51rl9t3r4, google-site-verification=UVbLlEdBkSm0r0E...`
SOA	1	`hydrogen.ns.hetzner.com dns.hetzner.com`

Analysis

Hierarchy

www.isi-luftfilter.de is delegated beneath isi-luftfilter.de.

IP Addresses

isi-luftfilter.de resolves to just one IP address, 5.75.244.152.

Further host names like www.isi-luftfilter.de and static.152.244.75.5.clients.your-server.de overlap in IP numbers with isi-luftfilter.de.

Name Servers

DNS for isi-luftfilter.de is handled by three authoritative name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

There is at least partial name server overlap between isi-luftfilter.de and other domains — sport-insights.com, jabilla.net, pcpronto.de and two more among them.

The name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are often found in combination with these name servers.

Three hostnames — hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de — each have two IP addresses: hydrogen.ns.hetzner.com has 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com has 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de has 193.47.99.5 and 2001:67c:192c::add:5.

Mail Servers

The sole mail server for isi-luftfilter.de is isiluftfilter-de0i.mail.protection.outlook.com.

With 8 IP addresses total, isiluftfilter-de0i.mail.protection.outlook.com resolves to 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 others.

isi-luftfilter.de - robtex.com