`erwin-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 #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=1776020714

Subdomains

www.erwin-heitzmann.de

DNS History

7 records (5 active, 2 former)

●NSns1.5sl.org2015-06-14 → 2026-04-12 · 2 obs

● 2015-06-14 18:10:30
● 2026-04-12 19:33:44

●NSns10.schlundtech.de2015-06-14 → 2026-04-12 · 2 obs

● 2015-06-14 18:10:30
● 2026-04-12 19:33:44

○NSns3.webmasterpro.de2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 18:10:30
○ 2015-11-02 00:00:48
○ 2026-04-12 19:33:44

●NSns4.h-falk.de2015-11-02 → 2026-04-12 · 3 obs

○ 2015-06-14 18:10:30
● 2015-11-02 00:00:48
● 2026-04-12 19:33:44

●MXmail.5sl.org2015-06-14 → 2026-04-12 · 2 obs

● 2015-06-14 18:10:30
● 2026-04-12 19:33:44

○A88.198.16.1652015-06-14 → 2016-04-23 · 4 obs

● 2015-06-14 18:10:30
● 2016-04-23 12:37:18
○ 2016-12-29 01:29:04
○ 2026-04-12 19:33:44

●A88.198.25.212016-12-29 → 2026-04-12 · 3 obs

○ 2016-04-23 12:37:18
● 2016-12-29 01:29:04
● 2026-04-12 19:33:44

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:88.198.25.21

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1472ms | Queries: -

📄 Records

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

Analysis

Hierarchy

erwin-heitzmann.de is the parent of www.erwin-heitzmann.de.

IP Addresses

erwin-heitzmann.de points to IP number 88.198.25.21.

For instance, other host names www.5sl.org, christian-ka.de, ns.5sl.org, herrsching.org and gobmeier.de share IP numbers with erwin-heitzmann.de.

Name Servers

The delegation for erwin-heitzmann.de is handled by three name servers: ns4.h-falk.de, ns10.schlundtech.de and ns1.5sl.org.

erwin-heitzmann.de shares name servers with other domains at least partially, for example grnth.de, advallion.de, unicef-hildesheim.de, badct.de and biozym.info.

these name servers are often used with the following: ns9.schlundtech.de, ns1.neudert-net.de, ns2.weltweitesinternet.de, nsc6.schlundtech.de, ns1.dgbit.datagroup.de, ns.omni-mad.org, nsd7.schlundtech.de, ns5.compulogical.de, ns2.engert-netzwerkdienste.de and spain.ilo.de.

Host names with two IP numbers:

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

Host names with one IP number:

ns4.h-falk.de points to: 178.63.105.13.

ns10.schlundtech.de points to: 62.116.163.100.

Mail Servers

erwin-heitzmann.de is handled by a single mail server, mail.5sl.org.

erwin-heitzmann.de shares the same mail server setup as other domains, for instance iselt.de, kardiologie-memmingen.de, gerct.de, neudert.rocks and nabauer.de.

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

erwin-heitzmann.de - robtex.com