`kosikowski.de`

DNSSEC	⚠️ Not signed
A	85.13.135.228^{🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich}
		PTR	`dd16008.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	`v033187.kasserver.com` ⭐
		A	85.13.135.228^{🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich}
			PTR	`dd16008.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns3.kasserver.com`hostmaster@kasserver.com serial=2602191202

`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=1774537988

Subdomains

www.kosikowski.de

Same first word

kosikowski.de

DNS History

6 records (4 active, 2 former)

●NSns3.kasserver.com2008-11-27 → 2026-03-26 · 2 obs

● 2008-11-27 05:54:22
● 2026-03-26 15:23:48

●NSns4.kasserver.com2008-11-27 → 2026-03-26 · 2 obs

● 2008-11-27 05:54:22
● 2026-03-26 15:23:48

○MXmail.kosikowski.de2008-11-27 → 2016-07-05 · 4 obs

● 2008-11-27 05:54:22
● 2016-07-05 20:14:10
○ 2019-03-23 10:03:32
○ 2026-03-26 15:23:48

●MXv033187.kasserver.com2019-03-23 → 2026-03-26 · 3 obs

○ 2016-07-05 20:14:10
● 2019-03-23 10:03:32
● 2026-03-26 15:23:48

●A85.13.135.2282015-05-31 → 2026-03-26 · 3 obs

○ 2008-11-27 05:54:22
● 2015-05-31 11:13:44
● 2026-03-26 15:23:48

○A85.13.140.2182008-11-27 → 2008-11-27 · 3 obs

● 2008-11-27 05:54:22
○ 2015-05-31 11:13:44
○ 2026-03-26 15:23:48

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:85.13.128.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosikowski.de (unsigned zone)

⏱️ Timing

Total: 2164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.135.228`
NS	2	`ns4.kasserver.com, ns3.kasserver.com`
MX	1	`v033187.kasserver.com (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.kasserver.com ~a`
SOA	1	`ns3.kasserver.com hostmaster.kasserver.c`

Analysis

Hierarchy

The parent of www.kosikowski.de is kosikowski.de.

IP Addresses

kosikowski.de points to a single IP: 85.13.135.228.

Other host names, for instance mail.marmeladen-casting.de, mail.wolution.com, dominikwuttke.com, rheuma-selbsthilfe-bonn.de and flemo.com share IP numbers with kosikowski.de.

Name Servers

Two name servers ns3.kasserver.com and ns4.kasserver.com handle delegation for kosikowski.de.

kosikowski.de uses the same name server setup as other domains, for example satellite-board.de, trainware.de, luei.de, leanmedia.de and reithofer-partner.at.

kosikowski.de partially shares name servers with other domains, such as maz.co and stoerungsfrei-arbeiten.eu.

These name servers are often used with the name servers ns5.kasserver.com and ns6.kasserver.com.

Host names with one IP number: The host name ns3.kasserver.com points to 85.13.128.2 and the host name ns4.kasserver.com points to 85.13.140.2.

Mail Servers

kosikowski.de is handled by a single mail server, v033187.kasserver.com.

v033187.kasserver.com points to a single IP: 85.13.135.228.

kosikowski.de - robtex.com

kosikowski.de

de