`btw-2015.de`

DNSSEC	⚠️ Not signed
A	134.100.9.78^{🇩🇪 DFN134.100.0.0/16 Universitaet Hamburg}
		PTR	`www3.informatik.uni-hamburg.de`
NS	`ns75.domaincontrol.com` ⭐
		A	2603:5:21b4::30^{🇺🇸 GODADDY-DNS2603:5:21b0::/44}
			PTR	`ns75.domaincontrol.com`
		A	97.74.107.48^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns75.domaincontrol.com`
NS	`ns76.domaincontrol.com`
		A	2603:5:22b4::30^{🇺🇸 GODADDY-DNS2603:5:22b0::/44}
			PTR	`ns76.domaincontrol.com`
		A	173.201.75.48^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns76.domaincontrol.com`
MX	`mx0.btw-2015.de` ⭐
		A	134.100.9.70^{🇩🇪 DFN134.100.0.0/16 Universitaet Hamburg}
			PTR	`mailhost.informatik.uni-hamburg.de`
SOA	`ns75.domaincontrol.com`dns@jomax.net 2026-02-10 #1

`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=1774657988

Subdomains

mx0.btw-2015.de

Same first word

btw-2015.de

DNS History

6 records (4 active, 2 former)

○NSns1.hans.hosteurope.de2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:22:28
○ 2026-03-11 20:45:14
○ 2026-03-28 00:45:48

○NSns2.hans.hosteurope.de2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:22:28
○ 2026-03-11 20:45:14
○ 2026-03-28 00:45:48

●NSns75.domaincontrol.com2026-03-11 → 2026-03-28 · 3 obs

○ 2018-05-07 19:22:28
● 2026-03-11 20:45:14
● 2026-03-28 00:45:48

●NSns76.domaincontrol.com2026-03-11 → 2026-03-28 · 3 obs

○ 2018-05-07 19:22:28
● 2026-03-11 20:45:14
● 2026-03-28 00:45:48

●MXmx0.btw-2015.de2018-05-07 → 2026-03-28 · 2 obs

● 2018-05-07 19:22:28
● 2026-03-28 00:45:48

●A134.100.9.782018-05-07 → 2026-03-28 · 2 obs

● 2018-05-07 19:22:28
● 2026-03-28 00:45:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
btw-2015.de	ns75.domaincontrol.com, ns76.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.75.48

NS records: ns75.domaincontrol.com, ns76.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btw-2015.de (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`134.100.9.78`
NS	2	`ns75.domaincontrol.com, ns76.domaincontrol.com`
MX	1	`mx0.btw-2015.de (pri: 50)`
SOA	1	`ns75.domaincontrol.com dns.jomax.net`

Analysis

Hierarchy

btw-2015.de is parent of mx0.btw-2015.de.

IP Addresses

btw-2015.de points to a single IP: 134.100.9.78.

Other host names, for instance iros-2015.org, iros2015.org and www3.informatik.uni-hamburg.de share IP numbers with btw-2015.de.

Name Servers

btw-2015.de's delegation is to two name servers ns75.domaincontrol.com and ns76.domaincontrol.com.

btw-2015.de shares the same name server configuration as other domains, such as eow.claims, ioicoffee.com, dowiin.com, sensodentk.com and joegenuino.com.

Host names with two IP numbers: ns75.domaincontrol.com points to 2603:5:21b4::30 and 97.74.107.48; ns76.domaincontrol.com points to 2603:5:22b4::30 and 173.201.75.48

Mail Servers

btw-2015.de is served by a single mail server, mx0.btw-2015.de.

mx0.btw-2015.de points to IP number 134.100.9.70.

btw-2015.de - robtex.com

btw-2015.de

de