`usability-agentur.de`

DNSSEC	⚠️ Not signed
A	85.13.154.100^{🇩🇪 NMM-AS85.13.154.0/24 Neue Medien Muennich}
		PTR	`dd37816.kasserver.com`
NS	`ns5.kasserver.com` ⭐
		A	85.13.128.3^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns5.kasserver.com`
NS	`ns3.ai-dns.de`
		A	168.119.5.244^{🇩🇪 Hetzner168.119.0.0/16 HETZNER-DC}
			PTR	`static.244.5.119.168.clients.your-server.de`
NS	`ns5.name-server-kas.de`
		A	85.13.181.181^{🇩🇪 NMM-AS85.13.181.0/24 Neue Medien Muennich}
			PTR	`85-13-181-181-static.kasserver.com`
NS	`ns6.kasserver.com`
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`
MX	`w00b6aee.kasserver.com` ⭐
		A	85.13.154.100^{🇩🇪 NMM-AS85.13.154.0/24 Neue Medien Muennich}
			PTR	`dd37816.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512151452

`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=1778842517

Subdomains

mail.usability-agentur.de

Same first word

usability-agentur.de

DNS History

9 records (6 active, 3 former)

●NSns3.ai-dns.de2026-04-16 → 2026-05-15 · 3 obs

○ 2015-07-19 19:47:04
● 2026-04-16 01:51:04
● 2026-05-15 11:08:28

●NSns5.kasserver.com2015-07-19 → 2026-05-15 · 2 obs

● 2015-07-19 19:47:04
● 2026-05-15 11:08:28

●NSns5.name-server-kas.de2026-04-16 → 2026-05-15 · 3 obs

○ 2015-07-19 19:47:04
● 2026-04-16 01:51:04
● 2026-05-15 11:08:28

●NSns6.kasserver.com2015-07-19 → 2026-05-15 · 2 obs

● 2015-07-19 19:47:04
● 2026-05-15 11:08:28

○MXmail.usability-agentur.de2015-07-19 → 2016-06-22 · 4 obs

● 2015-07-19 19:47:04
● 2016-06-22 16:38:14
○ 2017-02-13 07:17:14
○ 2026-05-15 11:08:28

●MXw00b6aee.kasserver.com2017-02-13 → 2026-05-15 · 3 obs

○ 2016-06-22 16:38:14
● 2017-02-13 07:17:14
● 2026-05-15 11:08:28

○A85.13.131.212015-07-19 → 2016-06-22 · 4 obs

● 2015-07-19 19:47:04
● 2016-06-22 16:38:14
○ 2017-02-13 07:17:14
○ 2026-05-15 11:08:28

●A85.13.154.1002019-03-10 → 2026-05-15 · 3 obs

○ 2017-02-13 07:17:14
● 2019-03-10 21:53:04
● 2026-05-15 11:08:28

○A85.13.156.1732017-02-13 → 2017-02-13 · 4 obs

○ 2016-06-22 16:38:14
● 2017-02-13 07:17:14
○ 2019-03-10 21:53:04
○ 2026-05-15 11:08:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
usability-agentur.de	ns3.ai-dns.de, ns5.kasserver.com, ns5.name-server-kas.de, ns6.kasserver.com	2 records

✅ Authoritative Response

Server:168.119.5.244

NS records: ns3.ai-dns.de, ns5.kasserver.com, ns5.name-server-kas.de, ns6.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usability-agentur.de (unsigned zone)

⏱️ Timing

Total: 865ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.154.100`
NS	4	`ns5.kasserver.com, ns3.ai-dns.de...`
MX	1	`w00b6aee.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.ai-dns.de, ns5.name-server-kas.de)

Analysis

Hierarchy

The parent of mail.usability-agentur.de is usability-agentur.de.

IP Addresses

usability-agentur.de points to a single IP address: 85.13.154.100.

Other host names such as www.heiss-heftig.de, los-paul.com, w01a70bc.kasserver.com, (0x736578)oholic.de and www.tomyeah.com share IPs with usability-agentur.de.

Name Servers

usability-agentur.de is delegated to four name servers: ns5.kasserver.com, ns6.kasserver.com, ns3.ai-dns.de and ns5.name-server-kas.de.

usability-agentur.de at least partially shares name servers with other domains, for example gt-empire.com, pascalhesse.de, mastermailer.de, holsten-heroes.de and serafim.at.

These name servers are often used together with a-dns-service.de and ns3.kas-dns-server.de.

Host names with one IP number:

ns5.kasserver.com points to: 85.13.128.3

ns6.kasserver.com points to: 85.13.159.101

ns3.ai-dns.de points to: 168.119.5.244

ns5.name-server-kas.de points to: 85.13.181.181

Mail Servers

The w00b6aee.kasserver.com mail server handles usability-agentur.de.

usability-agentur.de shares the same mail server setup as other domains, such as userfriend.de and userfriends.de.

w00b6aee.kasserver.com points to a single IP number: 85.13.154.100.

usability-agentur.de - robtex.com