`stephankaefer.de`

DNSSEC	⚠️ Not signed
A	85.13.153.202^{🇩🇪 NMM-AS85.13.153.0/24 Neue Medien Muennich}
		PTR	`dd37116.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	`w010a72f.kasserver.com` ⭐
		A	85.13.153.202^{🇩🇪 NMM-AS85.13.153.0/24 Neue Medien Muennich}
			PTR	`dd37116.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2602281115

`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=1774404368

Subdomains

mail.stephankaefer.de

DNS History

6 records (4 active, 2 former)

●NSns5.kasserver.com2015-08-12 → 2026-03-25 · 2 obs

● 2015-08-12 03:51:50
● 2026-03-25 02:07:46

●NSns6.kasserver.com2015-08-12 → 2026-03-25 · 2 obs

● 2015-08-12 03:51:50
● 2026-03-25 02:07:46

○MXmail.stephankaefer.de2015-08-12 → 2016-07-13 · 4 obs

● 2015-08-12 03:51:50
● 2016-07-13 21:13:16
○ 2017-03-21 10:46:48
○ 2026-03-25 02:07:46

●MXw010a72f.kasserver.com2017-03-21 → 2026-03-25 · 3 obs

○ 2016-07-13 21:13:16
● 2017-03-21 10:46:48
● 2026-03-25 02:07:46

○A85.13.151.1942015-08-12 → 2017-03-21 · 3 obs

● 2015-08-12 03:51:50
● 2017-03-21 10:46:48
○ 2026-03-25 02:07:46

●A85.13.153.2022026-03-25 → 2026-03-25 · 2 obs

○ 2017-03-21 10:46:48
● 2026-03-25 02:07:46

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.13.128.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stephankaefer.de (unsigned zone)

⏱️ Timing

Total: 1250ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.153.202`
NS	2	`ns5.kasserver.com, ns6.kasserver.com`
MX	1	`w010a72f.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

The parent of mail.stephankaefer.de is stephankaefer.de.

IP Addresses

stephankaefer.de points to an IP address: 85.13.153.202.

other host names include mail.mtb-heinsberg.de, mail.klangspa-berlin.de, blokki.net, wikinger-puppentheater.de and www.hnoviernheim.de; they share IP numbers with stephankaefer.de.

Name Servers

Two name servers ns5.kasserver.com and ns6.kasserver.com handle the delegation for stephankaefer.de.

stephankaefer.de shares the same name server setup as other domains, for instance sw-des.de, neue-formation.at, hiddennetwork.de, prowib.com and lifeiscrap.de.

stephankaefer.de at least partially shares name servers with other domains, for instance sf-lennep.de, kleinartig.de, harzer-hexenfeuer.de, geschirrverleih-muenster.de and eichplatz.de.

These name servers are commonly used with the following: a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de.

Host names with one IP:

ns5.kasserver.com points to: 85.13.128.3

ns6.kasserver.com points to: 85.13.159.101

Mail Servers

stephankaefer.de is handled by a single mail server, w010a72f.kasserver.com.

The host name w010a72f.kasserver.com points to IP 85.13.153.202.

stephankaefer.de - robtex.com