`businessmodel21.com`

DNSSEC	⚠️ Not signed
A	85.13.131.150^{🇩🇪 NMM-AS85.13.131.0/24 Neue Medien Muennich}
		PTR	`dd54036.kasserver.com`
NS	`ns5.kasserver.com` ⭐
		A	85.13.128.3^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns5.kasserver.com`
NS	`ns6.kasserver.com`
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`
MX	`w01f5a19.kasserver.com` ⭐
		A	85.13.131.150^{🇩🇪 NMM-AS85.13.131.0/24 Neue Medien Muennich}
			PTR	`dd54036.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602101146

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774613327

Same first word

businessmodel21.com

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-06-22 → 2026-03-27 · 2 obs

● 2015-06-22 10:56:36
● 2026-03-27 12:37:34

●NSns6.kasserver.com2015-06-22 → 2026-03-27 · 2 obs

● 2015-06-22 10:56:36
● 2026-03-27 12:37:34

○MXmail.businessmodel21.com2015-06-22 → 2017-01-01 · 4 obs

● 2015-06-22 10:56:36
● 2017-01-01 14:48:16
○ 2017-12-26 20:44:20
○ 2026-03-27 12:37:34

○MXw010a11b.kasserver.com2017-12-26 → 2017-12-26 · 4 obs

○ 2017-01-01 14:48:16
● 2017-12-26 20:44:20
○ 2026-03-01 15:36:50
○ 2026-03-27 12:37:34

●MXw01f5a19.kasserver.com2026-03-01 → 2026-03-27 · 3 obs

○ 2017-12-26 20:44:20
● 2026-03-01 15:36:50
● 2026-03-27 12:37:34

●A85.13.131.1502026-03-01 → 2026-03-27 · 3 obs

○ 2017-12-26 20:44:20
● 2026-03-01 15:36:50
● 2026-03-27 12:37:34

○A85.13.150.472015-06-22 → 2017-12-26 · 4 obs

● 2015-06-22 10:56:36
● 2017-12-26 20:44:20
○ 2026-03-01 15:36:50
○ 2026-03-27 12:37:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
businessmodel21.com	ns5.kasserver.com, ns6.kasserver.com	2 records

✅ Authoritative Response

Server:85.13.128.3

NS records: ns5.kasserver.com, ns6.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for businessmodel21.com (unsigned zone)

⏱️ Timing

Total: 257ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.131.150`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w01f5a19.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)

Analysis

IP Addresses

businessmodel21.com points to IP number 85.13.131.150.

For instance, other host names w01fb097.kasserver.com, mx.mike-schneider.com, erfolgsjob.org, mail.photovoltaik-speicher.info and cohi.de share IP numbers with businessmodel21.com.

Name Servers

businessmodel21.com is delegated to two name servers: ns5.kasserver.com and ns6.kasserver.com.

businessmodel21.com uses the same name server setup as other domains such as hashtagmode.at, notendownload.net, lsu-gmbh.de, kostenlose-girokonten.com and onlineshop-optimieren.de.

businessmodel21.com shares name servers with other domains at least partially, for example paperjazz.de, fernstudium-betriebswirt.de, kuehlfahrzeugausbau.de, hochzeit-achim-und-sabrina.de and gestern-nacht-im-taxi.de.

These name servers are commonly used together with ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.

Host names with one IP number:

ns5.kasserver.com points to: 85.13.128.3.

ns6.kasserver.com points to: 85.13.159.101.

Mail Servers

businessmodel21.com is handled by a single mail server, w01f5a19.kasserver.com.

w01f5a19.kasserver.com points to a single IP: 85.13.131.150.

businessmodel21.com - robtex.com