`tu-vision.de`

DNSSEC	⚠️ Not signed
A	85.13.146.252^{🇩🇪 NMM-AS85.13.146.0/24 Neue Medien Muennich}
		PTR	`dd28508.kasserver.com`
NS	`ns3.kasserver.com` ⭐
		A	85.13.128.2^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
			PTR	`ns3.kasserver.com`
NS	`ns4.kasserver.com`
		A	85.13.140.2^{🇩🇪 NMM-AS85.13.140.0/24 Neue Medien Muennich}
			PTR	`ns4.kasserver.com`
MX	`w01849e0.kasserver.com` ⭐
		A	85.13.146.252^{🇩🇪 NMM-AS85.13.146.0/24 Neue Medien Muennich}
			PTR	`dd28508.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns3.kasserver.com`hostmaster@kasserver.com serial=2512121721

`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=1774478356

Same first word

tu-vision.de

DNS History

7 records (4 active, 3 former)

●NSns3.kasserver.com2015-07-03 → 2026-03-25 · 2 obs

● 2015-07-03 01:44:50
● 2026-03-25 22:49:38

●NSns4.kasserver.com2015-07-03 → 2026-03-25 · 2 obs

● 2015-07-03 01:44:50
● 2026-03-25 22:49:38

○MXmail.tu-vision.de2015-07-03 → 2016-04-22 · 4 obs

● 2015-07-03 01:44:50
● 2016-04-22 09:37:10
○ 2016-12-07 06:10:52
○ 2026-03-25 22:49:38

○MXw00e2431.kasserver.com2016-12-07 → 2017-07-05 · 5 obs

○ 2016-04-22 09:37:10
● 2016-12-07 06:10:52
● 2017-07-05 13:49:40
○ 2026-02-15 22:42:54
○ 2026-03-25 22:49:38

●MXw01849e0.kasserver.com2026-02-15 → 2026-03-25 · 3 obs

○ 2017-07-05 13:49:40
● 2026-02-15 22:42:54
● 2026-03-25 22:49:38

○A85.13.133.1782015-07-03 → 2017-07-05 · 4 obs

● 2015-07-03 01:44:50
● 2017-07-05 13:49:40
○ 2026-02-15 22:42:54
○ 2026-03-25 22:49:38

●A85.13.146.2522026-02-15 → 2026-03-25 · 3 obs

○ 2017-07-05 13:49:40
● 2026-02-15 22:42:54
● 2026-03-25 22:49:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
tu-vision.de	ns4.kasserver.com, ns3.kasserver.com	-

✅ Authoritative Response

Server:85.13.140.2

NS records: ns4.kasserver.com, ns3.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tu-vision.de (unsigned zone)

⏱️ Timing

Total: 2478ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.146.252`
NS	2	`ns4.kasserver.com, ns3.kasserver.com`
MX	1	`w01849e0.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns3.kasserver.com hostmaster.kasserver.c`

Analysis

IP Addresses

tu-vision.de resolves to a single IP address: 85.13.146.252.

Other host names including w018498f.kasserver.com, w00e2431.kasserver.com, jki-trac.tutech.de, dmamv.tutech.de and tutech.biz share IP numbers with tu-vision.de.

Name Servers

tu-vision.de's delegation uses two name servers, ns3.kasserver.com and ns4.kasserver.com.

tu-vision.de shares the same name server setup as other domains, for example pc-tankstelle.com, gerofit.eu, gurky.de, ponderosa-dance.org and all-inkl.org.

tu-vision.de at least partially shares name servers with other domains; for instance schrottwichteln.com.

Host names with a single IP:

ns3.kasserver.com points to 85.13.128.2.

ns4.kasserver.com points to 85.13.140.2.

Mail Servers

tu-vision.de is handled by a single mail server, w01849e0.kasserver.com.

tu-vision.de shares the same mail server setup as other domains, for instance tuvision.net, technical-biocatalysis.com, nachwuchscampus.de and nachwuchscampus.com.

w01849e0.kasserver.com points to a single IP: 85.13.146.252.

tu-vision.de - robtex.com

tu-vision.de

de