`boersen-knowhow.de`

DNSSEC	⚠️ Not signed
A	89.107.186.233^{🇩🇪 TELEMAXX89.107.184.0/21 Webhostone IP Space}
		PTR	`xb1.serverdomain.org`
NS	`ns1.nshost2.de` ⭐
		A	2a01:50c0:1001:1::3:4^{🇩🇪 TELEMAXX2a01:50c0:1000::/36 DE-WEBHOSTONE via TelemaxX}
		A	89.107.184.116^{🇩🇪 TELEMAXX89.107.184.0/21 Webhostone IP Space}
			PTR	`ns1.nshost2.de`
NS	`ns2.nshost2.de`
		A	2a01:50c0:1001:1::4:4^{🇩🇪 TELEMAXX2a01:50c0:1000::/36 DE-WEBHOSTONE via TelemaxX}
		A	89.107.185.20^{🇩🇪 TELEMAXX89.107.184.0/21 Webhostone IP Space}
			PTR	`ns2.nshost2.de`
NS	`ns3.nshost2.net`
		A	2a0a:4cc0:c1:660:880a:29ff:feb2:ada5^{🇦🇹 netcup-AS2a0a:4cc0:c0::/43}
		A	152.53.140.148^{🇦🇹 netcup-AS152.53.140.0/22}
			PTR	`ns3.nshost2.net`
MX	`xb1.serverdomain.org` ⭐
		A	89.107.186.233^{🇩🇪 TELEMAXX89.107.184.0/21 Webhostone IP Space}
			PTR	`xb1.serverdomain.org`
TXT	`v=spf1 mx a include:spf.serverdomain.org -all`
SOA	`ns1.nshost2.de`hostmaster@webhostone.de 2017-01-09 #90

`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=1778693952

Same first word

boersen-knowhow.de

DNS History

10 records (5 active, 5 former)

○NScns1.alfahosting.info2015-08-22 → 2016-07-12 · 4 obs

● 2015-08-22 05:55:30
● 2016-07-12 03:29:32
○ 2017-03-20 21:54:30
○ 2026-05-13 18:05:56

○NScns2.alfahosting.info2015-08-22 → 2016-07-12 · 4 obs

● 2015-08-22 05:55:30
● 2016-07-12 03:29:32
○ 2017-03-20 21:54:30
○ 2026-05-13 18:05:56

○NScns3.alfahosting.info2015-08-22 → 2016-07-12 · 4 obs

● 2015-08-22 05:55:30
● 2016-07-12 03:29:32
○ 2017-03-20 21:54:30
○ 2026-05-13 18:05:56

●NSns1.nshost2.de2017-03-20 → 2026-05-13 · 3 obs

○ 2016-07-12 03:29:32
● 2017-03-20 21:54:30
● 2026-05-13 18:05:56

●NSns2.nshost2.de2017-03-20 → 2026-05-13 · 3 obs

○ 2016-07-12 03:29:32
● 2017-03-20 21:54:30
● 2026-05-13 18:05:56

●NSns3.nshost2.net2017-03-20 → 2026-05-13 · 3 obs

○ 2016-07-12 03:29:32
● 2017-03-20 21:54:30
● 2026-05-13 18:05:56

○MXmail.boersen-knowhow.de2015-08-22 → 2016-07-12 · 4 obs

● 2015-08-22 05:55:30
● 2016-07-12 03:29:32
○ 2017-03-20 21:54:30
○ 2026-05-13 18:05:56

●MXxb1.serverdomain.org2017-03-20 → 2026-05-13 · 3 obs

○ 2016-07-12 03:29:32
● 2017-03-20 21:54:30
● 2026-05-13 18:05:56

○A109.237.140.62015-08-22 → 2016-07-12 · 4 obs

● 2015-08-22 05:55:30
● 2016-07-12 03:29:32
○ 2017-03-20 21:54:30
○ 2026-05-13 18:05:56

●A89.107.186.2332017-03-20 → 2026-05-13 · 3 obs

○ 2016-07-12 03:29:32
● 2017-03-20 21:54:30
● 2026-05-13 18:05:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
boersen-knowhow.de	ns1.nshost2.de, ns2.nshost2.de, ns3.nshost2.net	2 records

✅ Authoritative Response

Server:89.107.184.116

NS records: ns1.nshost2.de, ns2.nshost2.de, ns3.nshost2.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boersen-knowhow.de (unsigned zone)

⏱️ Timing

Total: 2638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.107.186.233`
NS	3	`ns3.nshost2.net, ns1.nshost2.de...`
MX	1	`xb1.serverdomain.org (pri: 10)`
TXT	1	`v=spf1 mx a include:spf.serverdomain.org`
SOA	1	`ns1.nshost2.de hostmaster.webhostone.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.nshost2.de, ns1.nshost2.de)

Analysis

IP Addresses

boersen-knowhow.de points to IP number: 89.107.186.233.

Other host names such as bash-tec.net, mail.brandschutz-schmidt.de, mail.zweihaende.de, naturheilpraxis-pb.de and mail.webdesign-produktion.de share IPs with boersen-knowhow.de.

Name Servers

boersen-knowhow.de is delegated to three name servers: ns1.nshost2.de, ns2.nshost2.de and ns3.nshost2.net.

boersen-knowhow.de at least partially shares name servers with other domains, for instance xite-fighting.de, 1stnationz-productions.com, magdalena-paukner.de, anja-hoppe.com and kontextlab.com.

these name servers are often used in conjunction with the name servers ns1.nshost1.de.

Host ns1.nshost2.de points to 2a01:50c0:1001:1::3:4 and 89.107.184.116; Host ns2.nshost2.de points to 2a01:50c0:1001:1::4:4 and 89.107.185.20; Host ns3.nshost2.net points to 2a0a:4cc0:c1:660:880a:29ff:feb2:ada5 and 152.53.140.148.

Mail Servers

boersen-knowhow.de is handled by a single mail server, xb1.serverdomain.org.

The mail server setup for boersen-knowhow.de matches that of other domains, for instance kantorei-siegen.de, stw-online.de, dipperz.net, hausfix.net and blumkreativ.de.

boersen-knowhow.de shares mail servers with other domains, for instance ela-fachhandel.de and finzense.de.

these mail servers are commonly used together with ms33563406.msv1.invalid.outlook.com.

xb1.serverdomain.org points to a single IP: 89.107.186.233.

boersen-knowhow.de - robtex.com