`michael-heitzmann.de`

DNSSEC	⚠️ Not signed
A	88.198.25.21^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
		PTR	`mail.5sl.org`
NS	`ns1.5sl.org` ⭐
		A	2a01:4f8:130:2015::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail.5sl.org`
		A	88.198.25.21^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`mail.5sl.org`
NS	`ns10.schlundtech.de`
		A	62.116.163.100^{🇩🇪 INTERNETX-AS62.116.160.0/19 INTERNETX-MUC-2}
			PTR	`ns10.ns14.de`
NS	`ns4.h-falk.de`
		A	178.63.105.13^{🇩🇪 Hetzner178.63.0.0/16 HETZNER-RZ-FKS-BLK2}
			PTR	`mail.5sl.org`
MX	`mail.5sl.org` ⭐
		A	2a01:4f8:130:2015::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mail.5sl.org`
		A	88.198.25.21^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
			PTR	`mail.5sl.org`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.5sl.org`technik@5sl.org 2024-11-03 #2

`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=1776007942

Same first word

michael-heitzmann.de

DNS History

7 records (5 active, 2 former)

●NSns1.5sl.org2015-06-09 → 2026-04-12 · 2 obs

● 2015-06-09 14:20:56
● 2026-04-12 15:57:36

●NSns10.schlundtech.de2015-06-09 → 2026-04-12 · 2 obs

● 2015-06-09 14:20:56
● 2026-04-12 15:57:36

○NSns3.webmasterpro.de2015-06-09 → 2015-06-09 · 3 obs

● 2015-06-09 14:20:56
○ 2015-10-29 05:10:04
○ 2026-04-12 15:57:36

●NSns4.h-falk.de2015-10-29 → 2026-04-12 · 3 obs

○ 2015-06-09 14:20:56
● 2015-10-29 05:10:04
● 2026-04-12 15:57:36

●MXmail.5sl.org2015-06-09 → 2026-04-12 · 2 obs

● 2015-06-09 14:20:56
● 2026-04-12 15:57:36

○A88.198.16.1652015-06-09 → 2016-04-21 · 4 obs

● 2015-06-09 14:20:56
● 2016-04-21 02:14:48
○ 2016-11-27 20:21:34
○ 2026-04-12 15:57:36

●A88.198.25.212016-11-27 → 2026-04-12 · 3 obs

○ 2016-04-21 02:14:48
● 2016-11-27 20:21:34
● 2026-04-12 15:57:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
michael-heitzmann.de	ns4.h-falk.de, ns1.5sl.org, ns10.schlundtech.de	-

✅ Authoritative Response

Server:178.63.105.13

NS records: ns4.h-falk.de, ns1.5sl.org, ns10.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michael-heitzmann.de (unsigned zone)

⏱️ Timing

Total: 3113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.198.25.21`
NS	3	`ns10.schlundtech.de, ns1.5sl.org...`
MX	1	`mail.5sl.org (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.5sl.org technik.5sl.org`

Analysis

IP Addresses

michael-heitzmann.de points to a single IP address: 88.198.25.21.

Other host names such as mail.5sl.de, ns1.5sl.org, www.5sl.org, christian-ka.de and ns.5sl.org share IP numbers with michael-heitzmann.de.

Name Servers

michael-heitzmann.de is delegated to three name servers: ns4.h-falk.de, ns10.schlundtech.de and ns1.5sl.org.

At least part of the name servers for michael-heitzmann.de are shared with other domains, for instance staatspresse.de, germantaxes.info, mika.org, fact2.de and animatedart.biz.

these name servers are commonly used with the name servers ns1.neudert-net.de, dns.drachenfels.de, ns.ipro-gbr.de, ns2.weltweitesinternet.de, ns1.ipro-gbr.eu, ns9.schlundtech.de, ns5.compulogical.de, nsd7.schlundtech.de, ns.0xc0de.de and ns5.h-falk.de.

Two IP numbers for a host name:

ns1.5sl.org points to 2a01:4f8:130:2015::2 and 88.198.25.21.

One IP number for a host name:

ns4.h-falk.de points to 178.63.105.13.

ns10.schlundtech.de points to 62.116.163.100.

Mail Servers

The mail server for michael-heitzmann.de is mail.5sl.org.

michael-heitzmann.de uses the same mail server setup as other domains, for instance christian-ka.de, herrsching.org, gobmeier.de, neudert-online.de and imhotec.de.

Hostname mail.5sl.org resolves to two IPs: 2a01:4f8:130:2015::2 and 88.198.25.21.

michael-heitzmann.de - robtex.com