`lessmann-praxis.de`

DNSSEC	⚠️ Not signed
A	78.47.199.119^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`dedi5901.your-server.de`
NS	`ns1.dot-server.de` ⭐
		A	149.13.77.2^{🇩🇪 blackpoint149.13.77.0/24 Route Registered for Cogent Communications Customer - BlackPoint GmbH}
			PTR	`ns4.edns.de`
NS	`ns2.dot-server.de`
		A	154.56.104.3^{🇺🇸 blackpoint154.56.104.0/24 Registered for Cogent Communications Customer - BlackPoint GmbH}
			PTR	`ns3.edns.de`
MX	`lessmannpraxis-de02b.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	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms59910675`
SOA	`ns1.dot-server.de`verwaltung@dot-haus.de 2021-05-11 #7

`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=1776162285

Subdomains

mail.lessmann-praxis.de

Same first word

lessmann-praxis.de

DNS History

10 records (4 active, 6 former)

●NSns1.dot-server.de2026-02-23 → 2026-04-14 · 3 obs

○ 2017-04-20 15:39:12
● 2026-02-23 10:40:32
● 2026-04-14 10:39:38

●NSns2.dot-server.de2026-02-23 → 2026-04-14 · 3 obs

○ 2017-04-20 15:39:12
● 2026-02-23 10:40:32
● 2026-04-14 10:39:38

○NSns5.kasserver.com2015-04-17 → 2017-04-20 · 4 obs

● 2015-04-17 07:10:38
● 2017-04-20 15:39:12
○ 2026-02-23 10:40:32
○ 2026-04-14 10:39:38

○NSns6.kasserver.com2015-04-17 → 2017-04-20 · 4 obs

● 2015-04-17 07:10:38
● 2017-04-20 15:39:12
○ 2026-02-23 10:40:32
○ 2026-04-14 10:39:38

●MXlessmannpraxis-de02b.mail.protection.outlook.com2026-02-23 → 2026-04-14 · 3 obs

○ 2017-04-20 15:39:12
● 2026-02-23 10:40:32
● 2026-04-14 10:39:38

○MXmail.lessmann-praxis.de2015-04-17 → 2016-09-23 · 4 obs

● 2015-04-17 07:10:38
● 2016-09-23 19:34:16
○ 2017-04-20 15:39:12
○ 2026-04-14 10:39:38

○MXw007deb0.kasserver.com2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-23 19:34:16
● 2017-04-20 15:39:12
○ 2026-02-23 10:40:32
○ 2026-04-14 10:39:38

●A78.47.199.1192026-02-23 → 2026-04-14 · 3 obs

○ 2017-04-20 15:39:12
● 2026-02-23 10:40:32
● 2026-04-14 10:39:38

○A85.13.132.1352015-04-17 → 2016-03-28 · 4 obs

● 2015-04-17 07:10:38
● 2016-03-28 08:45:10
○ 2016-09-23 19:34:16
○ 2026-04-14 10:39:38

○A85.13.154.802016-09-23 → 2017-04-20 · 5 obs

○ 2016-03-28 08:45:10
● 2016-09-23 19:34:16
● 2017-04-20 15:39:12
○ 2026-02-23 10:40:32
○ 2026-04-14 10:39:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
lessmann-praxis.de	ns1.dot-server.de, ns2.dot-server.de	2 records

✅ Authoritative Response

Server:149.13.77.2

NS records: ns1.dot-server.de, ns2.dot-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessmann-praxis.de (unsigned zone)

⏱️ Timing

Total: 776ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.47.199.119`
NS	2	`ns2.dot-server.de, ns1.dot-server.de`
MX	1	`lessmannpraxis-de02b.mail.protection.out`
TXT	2	`MS=ms59910675, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.dot-server.de verwaltung.dot-haus.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dot-server.de, ns2.dot-server.de)

Analysis

Hierarchy

mail.lessmann-praxis.de is a child of lessmann-praxis.de.

IP Addresses

lessmann-praxis.de resolves to one IP number: 78.47.199.119.

Other host names, for instance servicemail.ebd-delivery.de, ebde.org, gwu-eck.de, garantlogistics.de and baugesellschaft-nettetal.de share IP numbers with lessmann-praxis.de.

Name Servers

lessmann-praxis.de's delegation uses two name servers: ns1.dot-server.de and ns2.dot-server.de.

lessmann-praxis.de uses the same name server setup as other domains, such as cogito-center.com, sparbau-dortmund.de, ias-group.com, homeier-dachtechnik.de and waldorfschule-koeln.de.

Host names with a single IP address: ns1.dot-server.de points to 149.13.77.2; ns2.dot-server.de points to 154.56.104.3.

Mail Servers

A single mail server handles lessmann-praxis.de, lessmannpraxis-de02b.mail.protection.outlook.com.

Host lessmannpraxis-de02b.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.

lessmann-praxis.de - robtex.com