`at4-web.de`

DNSSEC	⚠️ Not signed
A	85.13.155.184^{🇩🇪 NMM-AS85.13.155.0/24 Neue Medien Muennich}
		PTR	`dd39514.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	`ns6.kasserver.com`
		A	85.13.159.101^{🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich}
			PTR	`ns6.kasserver.com`
MX	`v037468.kasserver.com` ⭐
		A	85.13.155.184^{🇩🇪 NMM-AS85.13.155.0/24 Neue Medien Muennich}
			PTR	`dd39514.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512121746

`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=1778210103

Same first word

at4-web.eu

at4-web.de

DNS History

6 records (4 active, 2 former)

●NSns5.kasserver.com2015-05-25 → 2026-05-08 · 2 obs

● 2015-05-25 01:03:38
● 2026-05-08 03:29:34

●NSns6.kasserver.com2015-05-25 → 2026-05-08 · 2 obs

● 2015-05-25 01:03:38
● 2026-05-08 03:29:34

○MXmail.at4-web.de2015-05-25 → 2016-06-19 · 4 obs

● 2015-05-25 01:03:38
● 2016-06-19 19:36:26
○ 2017-06-19 03:28:22
○ 2026-05-08 03:29:34

●MXv037468.kasserver.com2017-06-19 → 2026-05-08 · 3 obs

○ 2016-06-19 19:36:26
● 2017-06-19 03:28:22
● 2026-05-08 03:29:34

○A85.13.130.1292015-05-25 → 2017-06-19 · 4 obs

● 2015-05-25 01:03:38
● 2017-06-19 03:28:22
○ 2026-03-05 20:40:48
○ 2026-05-08 03:29:34

●A85.13.155.1842026-03-05 → 2026-05-08 · 3 obs

○ 2017-06-19 03:28:22
● 2026-03-05 20:40:48
● 2026-05-08 03:29:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
at4-web.de	ns6.kasserver.com, ns5.kasserver.com	-

✅ Authoritative Response

Server:85.13.128.3

NS records: ns6.kasserver.com, ns5.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for at4-web.de (unsigned zone)

⏱️ Timing

Total: 911ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.155.184`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`v037468.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

Analysis

IP Addresses

at4-web.de resolves to one IP number: 85.13.155.184.

other host names including w01bf687.kasserver.com, dikain.com, mail.man-they.de, rhea-uher.at and nominalis.de share IP numbers with at4-web.de.

Name Servers

at4-web.de is delegated to two name servers ns5.kasserver.com and ns6.kasserver.com.

at4-web.de shares the same name server setup as other domains, for instance stinglikeabee.de, designersunited.de, interaktionsraum.de, dabcom.de and waffeleisen-test.eu.

at4-web.de at least partially shares name servers with other domains, for instance actron.de, remount.de, gaby-weyland.de, suffex.de and olaxl.de.

these name servers are often used together with a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.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

Mail Servers

at4-web.de is handled by a single mail server, v037468.kasserver.com.

at4-web.de shares its mail server setup with other domains, including at4.de and at4-web.eu.

v037468.kasserver.com resolves to IP 85.13.155.184.

at4-web.de - robtex.com

at4-web.de

de