`katalogsoftware-online.de`

DNSSEC	⚠️ Not signed
A	213.133.106.251^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
		PTR	`ns1.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.katalogsoftware-online.de` ⭐
		A	213.133.106.251^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-03 #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=1776153057

Subdomains

mail.katalogsoftware-online.de

Same first word

katalogsoftware-online.de

DNS History

5 records (5 active, 0 former)

●NSns1.first-ns.de2015-05-22 → 2026-04-14 · 2 obs

● 2015-05-22 13:44:50
● 2026-04-14 08:19:26

●NSrobotns2.second-ns.de2015-05-22 → 2026-04-14 · 2 obs

● 2015-05-22 13:44:50
● 2026-04-14 08:19:26

●NSrobotns3.second-ns.com2015-05-22 → 2026-04-14 · 2 obs

● 2015-05-22 13:44:50
● 2026-04-14 08:19:26

●MXmail.katalogsoftware-online.de2015-05-22 → 2026-04-14 · 2 obs

● 2015-05-22 13:44:50
● 2026-04-14 08:19:26

●A213.133.106.2512015-05-22 → 2026-04-14 · 2 obs

● 2015-05-22 13:44:50
● 2026-04-14 08:19:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for katalogsoftware-online.de (unsigned zone)

⏱️ Timing

Total: 1408ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.133.106.251`
NS	3	`robotns3.second-ns.com, ns1.first-ns.de...`
MX	1	`mail.katalogsoftware-online.de (pri: 10)`
SOA	1	`ns1.first-ns.de dns.hetzner.com`

Analysis

Hierarchy

katalogsoftware-online.de is parent of mail.katalogsoftware-online.de.

IP Addresses

katalogsoftware-online.de points to a single IP: 213.133.106.251.

Other host names, for instance ns1.omnicron.biz, ns1.duijffmedia.com, drupalion.org, alf-fal.com and ns1.a-web.ch share IP numbers with katalogsoftware-online.de.

Name Servers

katalogsoftware-online.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

katalogsoftware-online.de at least partially shares its name servers with other domains, for instance poesie-der-neuzeit.de, itemm.de, bluetaurus.org, mobile-function.de and olifo.eu.

These name servers are commonly used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

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

katalogsoftware-online.de is served by a single mail server, mail.katalogsoftware-online.de.

mail.katalogsoftware-online.de points to IP number 213.133.106.251.

katalogsoftware-online.de - robtex.com