`schmidt-buettelborn.de`

DNSSEC	⚠️ Not signed
A	213.239.192.47^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
		PTR	`static.213-239-192-47.clients.your-server.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.schmidt-buettelborn.de` ⭐
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-23 #0

`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=1776196861

Subdomains

mail.schmidt-buettelborn.de

Same first word

schmidt-buettelborn.de

DNS History

5 records (5 active, 0 former)

●NSns1.first-ns.de2015-07-09 → 2026-04-14 · 2 obs

● 2015-07-09 07:42:10
● 2026-04-14 20:07:58

●NSrobotns2.second-ns.de2015-07-09 → 2026-04-14 · 2 obs

● 2015-07-09 07:42:10
● 2026-04-14 20:07:58

●NSrobotns3.second-ns.com2015-07-09 → 2026-04-14 · 2 obs

● 2015-07-09 07:42:10
● 2026-04-14 20:07:58

●MXmail.schmidt-buettelborn.de2015-07-09 → 2026-04-14 · 2 obs

● 2015-07-09 07:42:10
● 2026-04-14 20:07:58

●A213.239.192.472015-07-09 → 2026-04-14 · 2 obs

● 2015-07-09 07:42:10
● 2026-04-14 20:07:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, z.nic.de, a.nic.de	-
schmidt-buettelborn.de	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schmidt-buettelborn.de (unsigned zone)

⏱️ Timing

Total: 1179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.239.192.47`
NS	3	`ns1.first-ns.de, robotns2.second-ns.de...`
MX	1	`mail.schmidt-buettelborn.de (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

schmidt-buettelborn.de is the parent of mail.schmidt-buettelborn.de.

IP Addresses

schmidt-buettelborn.de points to IP number 213.239.192.47.

Other host names include static.213-239-192-47.clients.your-server.de, 213-239-192-47.clients.your-server.de, sf-bergmann.de and rindfrey-online.de that share IP numbers with schmidt-buettelborn.de.

Name Servers

The delegation for schmidt-buettelborn.de is handled by three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

schmidt-buettelborn.de shares name servers with other domains at least partially, for example siyoma.de, spruchfabrik.de, mediacontec.de, 1911aktuell.at and 8portal.com.

Host names with two IPs:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Mail Servers

schmidt-buettelborn.de is handled by a single mail server, mail.schmidt-buettelborn.de.

schmidt-buettelborn.de - robtex.com