classbau.de - dns.ninja

`classbau.de`

DNSSEC	⚠️ Not signed
A	185.15.193.25^{🇩🇪 MITTWALD-AS185.15.192.0/22 Mittwald CM Service GmbH und Co. KG}
NS	`ns01.agenturserver.de` ⭐
		A	185.247.151.111^{🇩🇪 MITTWALD-AS185.247.151.0/24 Mittwald CM Service GmbH und Co. KG}
			PTR	`ns01.agenturserver.de`
NS	`ns01.agenturserver.co`
		A	185.247.150.113^{🇩🇪 CORE-BACKBONE185.247.150.0/24 Mittwald CM Service GmbH und Co. KG}
			PTR	`ns01.agenturserver.co`
NS	`ns01.agenturserver.it`
		A	185.247.151.112^{🇩🇪 MITTWALD-AS185.247.151.0/24 Mittwald CM Service GmbH und Co. KG}
			PTR	`ns01.agenturserver.it`
MX	`classbau-de.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	`MS=ms87481084`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms83747070`
SOA	`ns01.agenturserver.de`support@mittwald.de serial=1775348494

`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=1786393644

Same first word

classbau.de

Similar names

asasclub.com

saasclub.co

basculas.com

baslucas.com

scalabus.pt

salscuba.com

bauclass.com

bauclass.eu

buscalas.com

saasclub.com

basculas.eu

casualbs.com

clubsasa.com

bauclass.org

bauclass.info

bauclass.net

clubsaas.com

blausasc.fr

bauclass.de

saasclub.io

DNS History

15 records (5 active, 10 former)

○NSdns.typo3server.com2015-08-21 → 2016-11-02 · 4 obs

● 2015-08-21 16:20:40
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

●NSns01.agenturserver.co2026-02-20 → 2026-08-10 · 3 obs

○ 2016-11-02 07:18:16
● 2026-02-20 05:25:40
● 2026-08-10 20:45:00

●NSns01.agenturserver.de2026-02-20 → 2026-08-10 · 3 obs

○ 2016-11-02 07:18:16
● 2026-02-20 05:25:40
● 2026-08-10 20:45:00

●NSns01.agenturserver.it2026-02-20 → 2026-08-10 · 3 obs

○ 2016-11-02 07:18:16
● 2026-02-20 05:25:40
● 2026-08-10 20:45:00

○NSns2.typo3server.com2015-08-21 → 2016-11-02 · 4 obs

● 2015-08-21 16:20:40
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

○NSns3.dnsmittwald.de2015-08-21 → 2016-11-02 · 4 obs

● 2015-08-21 16:20:40
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

●MXclassbau-de.mail.protection.outlook.com2026-02-20 → 2026-08-10 · 3 obs

○ 2016-11-02 07:18:16
● 2026-02-20 05:25:40
● 2026-08-10 20:45:00

○MXmx1.agenturserver.de2015-12-11 → 2016-11-02 · 5 obs

○ 2015-08-21 16:20:40
● 2015-12-11 02:53:06
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

○MXmx2.agenturserver.de2015-12-11 → 2016-11-02 · 5 obs

○ 2015-08-21 16:20:40
● 2015-12-11 02:53:06
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

○MXmx3.agenturserver.de2015-12-11 → 2016-11-02 · 5 obs

○ 2015-08-21 16:20:40
● 2015-12-11 02:53:06
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

○MXmx4.agenturserver.de2015-12-11 → 2016-11-02 · 5 obs

○ 2015-08-21 16:20:40
● 2015-12-11 02:53:06
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

○MXmx51.mymxserver.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 16:20:40
○ 2015-12-11 02:53:06
○ 2026-08-10 20:45:00

○MXnx51.mymxserver.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 16:20:40
○ 2015-12-11 02:53:06
○ 2026-08-10 20:45:00

●A185.15.193.252026-02-20 → 2026-08-10 · 3 obs

○ 2016-11-02 07:18:16
● 2026-02-20 05:25:40
● 2026-08-10 20:45:00

○A46.30.61.1922015-08-21 → 2016-11-02 · 4 obs

● 2015-08-21 16:20:40
● 2016-11-02 07:18:16
○ 2026-02-20 05:25:40
○ 2026-08-10 20:45:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
classbau.de	ns01.agenturserver.it, ns01.agenturserver.co, ns01.agenturserver.de	1 record

✅ Authoritative Response

Server:185.247.151.111

NS records: ns01.agenturserver.it, ns01.agenturserver.co, ns01.agenturserver.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classbau.de (unsigned zone)

⏱️ Timing

Total: 1174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.15.193.25`
NS	3	`ns01.agenturserver.de, ns01.agenturserver.it...`
MX	1	`classbau-de.mail.protection.outlook.com`
TXT	3	`v=spf1 include:spf.protection.outlook.co, MS=ms83747070...`
SOA	1	`ns01.agenturserver.de support.mittwald.d`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns01.agenturserver.de)

Analysis

IP Addresses

classbau.de points to a single IP number: 185.15.193.25.

Additional host names — xn--rntgen-essen-4ib.de, ottocars.de, die-feier.com and two others — share IP numbers with classbau.de.

Name Servers

classbau.de carries NS records delegating to ns01.agenturserver.co, ns01.agenturserver.de and ns01.agenturserver.it.

classbau.de has at least partial name server overlap with other domains, such as jinma.at, mieterbundnrw.de, murnauer-kammerorchester.de and two others.

ns01.agenturserver.co points to 185.247.150.113; ns01.agenturserver.de points to 185.247.151.111; ns01.agenturserver.it points to 185.247.151.112 — each hostname maps to exactly one IP address.

Mail Servers

classbau.de has one mail server: classbau-de.mail.protection.outlook.com.

classbau-de.mail.protection.outlook.com points to 8 IP numbers: 52.101.168.0, 52.101.170.0, 52.101.170.1 and 5 other.