`walterbucher.ch`

DNSSEC	⚠️ Not signed
A	85.13.155.143^{🇩🇪 NMM-AS85.13.155.0/24 Neue Medien Muennich}
		PTR	`dd51100.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	`w01d2724.kasserver.com` ⭐
		A	85.13.155.143^{🇩🇪 NMM-AS85.13.155.0/24 Neue Medien Muennich}
			PTR	`dd51100.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602241104

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-07-20 #14

Subdomains

mail.walterbucher.ch

Same first word

walterbucher.ch

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-08-21 → 2026-07-20 · 2 obs

● 2015-08-21 09:54:46
● 2026-07-20 05:33:30

●NSns6.kasserver.com2015-08-21 → 2026-07-20 · 2 obs

● 2015-08-21 09:54:46
● 2026-07-20 05:33:30

○MXmail.walterbucher.ch2015-08-21 → 2016-07-24 · 4 obs

● 2015-08-21 09:54:46
● 2016-07-24 21:47:04
○ 2020-04-13 09:06:18
○ 2026-07-20 05:33:30

○MXw0075e71.kasserver.com2020-04-13 → 2020-04-13 · 4 obs

○ 2016-07-24 21:47:04
● 2020-04-13 09:06:18
○ 2026-04-13 08:01:44
○ 2026-07-20 05:33:30

●MXw01d2724.kasserver.com2026-04-13 → 2026-07-20 · 3 obs

○ 2020-04-13 09:06:18
● 2026-04-13 08:01:44
● 2026-07-20 05:33:30

○A85.13.153.112015-08-21 → 2020-04-13 · 4 obs

● 2015-08-21 09:54:46
● 2020-04-13 09:06:18
○ 2026-04-13 08:01:44
○ 2026-07-20 05:33:30

●A85.13.155.1432026-04-13 → 2026-07-20 · 3 obs

○ 2020-04-13 09:06:18
● 2026-04-13 08:01:44
● 2026-07-20 05:33:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
walterbucher.ch	ns6.kasserver.com, ns5.kasserver.com	-

✅ Authoritative Response

Server:85.13.159.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for walterbucher.ch (unsigned zone)

⏱️ Timing

Total: 726ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.155.143`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w01d2724.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns5.kasserver.com hostmaster.kasserver.c`

Analysis

Hierarchy

mail.walterbucher.ch is delegated beneath walterbucher.ch.

IP Addresses

walterbucher.ch points to a single IP number: 85.13.155.143.

Additional host names — mail.krismer.de, simonweiler.de, webmail.hdw-bildungszentrum.de and two others — share IP numbers with walterbucher.ch.

Name Servers

DNS delegation for walterbucher.ch points to two name servers: ns5.kasserver.com and ns6.kasserver.com.

walterbucher.ch shares its name server setup with other domains, including digitalbit.ch, kompetenz-pferd.de, qentom.com and two others.

There is at least partial name server overlap between walterbucher.ch and other domains — home-dls.de, allyg.de, judith-ackermann.de and two more among them.

These name servers tend to appear in combination with the name servers ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.de.

ns5.kasserver.com → 85.13.128.3 and ns6.kasserver.com → 85.13.159.101: one IP number per host name.

Mail Servers

walterbucher.ch has one mail server: w01d2724.kasserver.com.

w01d2724.kasserver.com has exactly one IP number: 85.13.155.143.

walterbucher.ch - robtex.com

walterbucher.ch

ch