`impulse-os.de`

DNSSEC	🔒 Signed (DS record present)
A	45.156.111.30^{🇩🇪 VERTICAL-AS45.156.108.0/22 vertical GmbH network}
		PTR	`node25.securewebsystems.net`
NS	`ns1.teuto.net` ⭐
		A	2001:ae0:0:51::2^{🇩🇪 TEUTONET-AS2001:ae0::/32 teuto.net Netzdienste GmbH}
		A	212.15.202.2^{🇩🇪 TEUTONET-AS212.15.200.0/22 DE-TEUTONET-20150206}
			PTR	`ns1.teuto.net`
NS	`ns2.teuto.net`
		A	2001:ae0:0:51::3^{🇩🇪 TEUTONET-AS2001:ae0::/32 teuto.net Netzdienste GmbH}
		A	212.15.202.3^{🇩🇪 TEUTONET-AS212.15.200.0/22 DE-TEUTONET-20150206}
			PTR	`ns2.teuto.net`
NS	`ns3.teuto.net`
		A	212.15.205.12^{🇩🇪 TEUTONET212.15.204.0/22}
			PTR	`ns3.teuto.net`
MX	`impulseos-de01i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`v=spf1 a include:spf.protection.outlook.com include:spf.greensta.de -all`
SOA	`ns1.teuto.net`hostmaster@teuto.net 2026-07-12 #2

`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=1784173189

Subdomains

mail.impulse-os.de

Same first word

impulse-os.de

DNS History

7 records (5 active, 2 former)

●NSns1.teuto.net2015-08-02 → 2026-07-16 · 2 obs

● 2015-08-02 22:20:04
● 2026-07-16 04:00:38

●NSns2.teuto.net2015-08-02 → 2026-07-16 · 2 obs

● 2015-08-02 22:20:04
● 2026-07-16 04:00:38

●NSns3.teuto.net2015-08-02 → 2026-07-16 · 2 obs

● 2015-08-02 22:20:04
● 2026-07-16 04:00:38

●MXimpulseos-de01i.mail.protection.outlook.com2026-02-21 → 2026-07-16 · 3 obs

○ 2017-06-02 11:56:22
● 2026-02-21 03:48:04
● 2026-07-16 04:00:38

○MXmail.impulse-os.de2015-08-02 → 2017-06-02 · 4 obs

● 2015-08-02 22:20:04
● 2017-06-02 11:56:22
○ 2026-02-21 03:48:04
○ 2026-07-16 04:00:38

○A212.8.207.1982015-08-02 → 2017-06-02 · 4 obs

● 2015-08-02 22:20:04
● 2017-06-02 11:56:22
○ 2026-02-21 03:48:04
○ 2026-07-16 04:00:38

●A45.156.111.302026-02-21 → 2026-07-16 · 3 obs

○ 2017-06-02 11:56:22
● 2026-02-21 03:48:04
● 2026-07-16 04:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
impulse-os.de	ns2.teuto.net, ns1.teuto.net, ns3.teuto.net	-

✅ Authoritative Response

Server:212.15.205.12

NS records: ns2.teuto.net, ns1.teuto.net, ns3.teuto.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.156.111.30`
NS	3	`ns2.teuto.net, ns3.teuto.net...`
MX	1	`impulseos-de01i.mail.protection.outlook.`
TXT	1	`v=spf1 a include:spf.protection.outlook.`
SOA	1	`ns1.teuto.net hostmaster.teuto.net`

Analysis

Hierarchy

impulse-os.de is the parent zone for mail.impulse-os.de.

IP Addresses

impulse-os.de points to a single IP number: 45.156.111.30.

Additional host names — elektro-bogs.de, euromasten.com, flexpress-kurierdienst.de and two others — share IP numbers with impulse-os.de.

Name Servers

impulse-os.de is delegated to three name servers: ns1.teuto.net, ns2.teuto.net and ns3.teuto.net.

impulse-os.de partially shares its NS delegation with several other domains, including rae-strato.de, haeger-versicherungsmakler.de, ventilation.de and two others.

Host names with two IP numbers:

ns1.teuto.net points to 212.15.202.2 and 2001:ae0:0:51::2.

ns2.teuto.net points to 212.15.202.3 and 2001:ae0:0:51::3.

Host names pointing to a single IP address:

ns3.teuto.net points to 212.15.205.12.