`strudthoffs.de`

DNSSEC	⚠️ Not signed
A	85.13.156.250^{🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich}
		PTR	`dd33904.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	`w0061a2d.kasserver.com` ⭐
		A	85.13.156.250^{🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich}
			PTR	`dd33904.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602271122

`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=1774499006

Subdomains

www.strudthoffs.de

Same first word

strudthoffs.de

DNS History

7 records (4 active, 3 former)

●NSns5.kasserver.com2015-08-05 → 2026-03-26 · 2 obs

● 2015-08-05 18:18:10
● 2026-03-26 04:49:46

●NSns6.kasserver.com2015-08-05 → 2026-03-26 · 2 obs

● 2015-08-05 18:18:10
● 2026-03-26 04:49:46

○MXmail.strudthoffs.de2015-08-05 → 2016-05-07 · 4 obs

● 2015-08-05 18:18:10
● 2016-05-07 10:15:18
○ 2017-03-18 18:08:12
○ 2026-03-26 04:49:46

●MXw0061a2d.kasserver.com2017-03-18 → 2026-03-26 · 3 obs

○ 2016-05-07 10:15:18
● 2017-03-18 18:08:12
● 2026-03-26 04:49:46

○A85.13.150.2452015-08-05 → 2016-05-07 · 4 obs

● 2015-08-05 18:18:10
● 2016-05-07 10:15:18
○ 2017-03-18 18:08:12
○ 2026-03-26 04:49:46

○A85.13.155.2402017-03-18 → 2017-03-18 · 4 obs

○ 2016-05-07 10:15:18
● 2017-03-18 18:08:12
○ 2020-01-25 16:00:24
○ 2026-03-26 04:49:46

●A85.13.156.2502020-01-25 → 2026-03-26 · 3 obs

○ 2017-03-18 18:08:12
● 2020-01-25 16:00:24
● 2026-03-26 04:49:46

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.13.159.101

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for strudthoffs.de (unsigned zone)

⏱️ Timing

Total: 2142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.156.250`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w0061a2d.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

strudthoffs.de is the parent of www.strudthoffs.de.

IP Addresses

strudthoffs.de points to IP number 85.13.156.250.

For instance, other host names salins.de, bremermedienbuero.de, trachtenstadl.at, w015b602.kasserver.com and jdrc.at share IP numbers with strudthoffs.de.

Name Servers

strudthoffs.de is delegated to two name servers: ns5.kasserver.com and ns6.kasserver.com.

strudthoffs.de uses the same name server setup as other domains such as bonnlaender.org, ferienhaus-in-ruegen.com, glitterpost.de, buero-wohn-design.de and abrauer.com.

strudthoffs.de shares name servers with other domains at least partially, for example laufz.de, gran-canaria.de, outsiderkunst.de, badminton-in-wiesbaden.de and stay2gether.de.

These name servers are commonly used together with ns3.ai-dns.de, ns5.name-server-kas.de, 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.

Mail Servers

strudthoffs.de is handled by a single mail server, w0061a2d.kasserver.com.

w0061a2d.kasserver.com points to a single IP: 85.13.156.250.

strudthoffs.de - robtex.com

strudthoffs.de

de