`schmidt-hardtke.de`

DNSSEC	⚠️ Not signed
A	2a02:708:0:a1::2^{🇩🇪 ratiokontakt2a02:708::/32 GmbH}
		PTR	`win16.serviceprovider.de`
A	212.63.143.86^{🇩🇪 ratiokontakt212.63.128.0/19 GmbH}
NS	`ns2.nameserver.de` ⭐
		A	212.223.44.220^{🇩🇪 ratiokontakt212.223.0.0/16 GmbH}
			PTR	`ns12.nameserver.de`
NS	`ns1.nameserver.de`
		A	212.223.44.219^{🇩🇪 ratiokontakt212.223.0.0/16 GmbH}
			PTR	`ns11.nameserver.de`
MX	`mail.schmidt-hardtke.de` ⭐
		A	212.223.165.71^{🇩🇪 ratiokontakt212.223.0.0/16 GmbH}
			PTR	`frontend.clustermail.de`
TXT	`v=spf1 include:spf.clustermail.de -all`
SOA	`ns2.nameserver.de`dnsmaster@ns2.nameserver.de 2025-04-08 #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=1774565669

Subdomains

mail.schmidt-hardtke.de

www.schmidt-hardtke.de

Same first word

schmidt-hardtke.de

DNS History

8 records (5 active, 3 former)

●NSns1.nameserver.de2015-05-17 → 2026-03-26 · 2 obs

● 2015-05-17 23:25:32
● 2026-03-26 23:13:24

●NSns2.nameserver.de2015-05-17 → 2026-03-26 · 2 obs

● 2015-05-17 23:25:32
● 2026-03-26 23:13:24

●MXmail.schmidt-hardtke.de2015-05-17 → 2026-03-26 · 2 obs

● 2015-05-17 23:25:32
● 2026-03-26 23:13:24

○A212.223.92.1082015-05-17 → 2016-04-04 · 4 obs

● 2015-05-17 23:25:32
● 2016-04-04 19:50:12
○ 2016-09-23 20:28:20
○ 2026-03-26 23:13:24

○A212.63.130.942016-09-23 → 2017-10-18 · 5 obs

○ 2016-04-04 19:50:12
● 2016-09-23 20:28:20
● 2017-10-18 15:52:46
○ 2026-02-15 06:06:22
○ 2026-03-26 23:13:24

●A212.63.143.862026-02-15 → 2026-03-26 · 3 obs

○ 2017-10-18 15:52:46
● 2026-02-15 06:06:22
● 2026-03-26 23:13:24

○A2a02:708:0:15::22016-09-23 → 2017-10-18 · 5 obs

○ 2016-04-04 19:50:12
● 2016-09-23 20:28:20
● 2017-10-18 15:52:46
○ 2026-02-15 06:06:22
○ 2026-03-26 23:13:24

●A2a02:708:0:a1::22026-02-15 → 2026-03-26 · 3 obs

○ 2017-10-18 15:52:46
● 2026-02-15 06:06:22
● 2026-03-26 23:13:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
schmidt-hardtke.de	ns2.nameserver.de, ns1.nameserver.de	-

✅ Authoritative Response

Server:212.223.44.219

NS records: ns2.nameserver.de, ns1.nameserver.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.63.143.86`
AAAA	1	`2a02:708:0:a1::2`
NS	2	`ns2.nameserver.de, ns1.nameserver.de`
MX	1	`mail.schmidt-hardtke.de (pri: 10)`
TXT	1	`v=spf1 include:spf.clustermail.de -all`
SOA	1	`ns2.nameserver.de dnsmaster.ns2.nameserv`

Analysis

Hierarchy

schmidt-hardtke.de is a parent of mail.schmidt-hardtke.de and www.schmidt-hardtke.de.

IP Addresses

schmidt-hardtke.de resolves to two IP numbers: 2a02:708:0:a1::2 and 212.63.143.86.

Other host names, for instance audio-tuning24.de, retiscom.com, cpd-langenberg.de, *.nordlink.de and silv.de share IP numbers with schmidt-hardtke.de.

Name Servers

Two name servers ns1.nameserver.de and ns2.nameserver.de handle delegation for schmidt-hardtke.de.

schmidt-hardtke.de uses the same name server setup as other domains, for example kerker.de, linedesign.de, spleiss.de, glexxis.de and andres-displays.de.

schmidt-hardtke.de partially shares name servers with other domains; examples include alpinmed.de, markcom.de, eyeled.com, internetberatung.de and ratiokontakt.org.

These name servers are often used with the name servers ns11.nameserver.de and ns12.nameserver.de.

Host names with one IP number: The host name ns1.nameserver.de points to 212.223.44.219 and the host name ns2.nameserver.de points to 212.223.44.220.

Mail Servers

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

schmidt-hardtke.de uses the same mail server setup as other domains, for example www.schmidt-hardtke.de.

mail.schmidt-hardtke.de points to a single IP: 212.223.165.71.

schmidt-hardtke.de - robtex.com