`koerbitz.net`

DNSSEC	⚠️ Not signed
A	85.13.138.250^{🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich}
		PTR	`dd16830.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	`v038424.kasserver.com` ⭐
		A	85.13.138.250^{🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich}
			PTR	`dd16830.kasserver.com`
TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
SOA	`ns3.kasserver.com`hostmaster@kasserver.com serial=2512091345

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`l.gtld-servers.net` ⚠️ Not in parent delegation
	NS	`m.gtld-servers.net` ⚠️ Not in parent delegation
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774766827

Subdomains

mail.koerbitz.net

Same first word

koerbitz.com

koerbitz.org

koerbitz.eu

koerbitz.at

koerbitz.de

koerbitz.info

koerbitz.me

koerbitz.net

Similar names

kibotzer.com

rozbitek.pl

boretzki.com

koberitz.de

torzbike.com

DNS History

7 records (4 active, 3 former)

●NSns3.kasserver.com2015-05-28 → 2026-03-29 · 2 obs

● 2015-05-28 17:18:12
● 2026-03-29 07:06:26

●NSns4.kasserver.com2015-05-28 → 2026-03-29 · 2 obs

● 2015-05-28 17:18:12
● 2026-03-29 07:06:26

○MXmail.koerbitz.net2015-05-28 → 2016-04-15 · 4 obs

● 2015-05-28 17:18:12
● 2016-04-15 08:21:10
○ 2016-12-04 12:07:22
○ 2026-03-29 07:06:26

●MXv038424.kasserver.com2016-12-04 → 2026-03-29 · 3 obs

○ 2016-04-15 08:21:10
● 2016-12-04 12:07:22
● 2026-03-29 07:06:26

●A85.13.138.2502026-03-21 → 2026-03-29 · 3 obs

○ 2017-07-07 21:22:20
● 2026-03-21 12:23:30
● 2026-03-29 07:06:26

○A85.13.154.692016-12-04 → 2017-07-07 · 5 obs

○ 2016-04-15 08:21:10
● 2016-12-04 12:07:22
● 2017-07-07 21:22:20
○ 2026-03-21 12:23:30
○ 2026-03-29 07:06:26

○A85.13.158.72015-05-28 → 2016-04-15 · 4 obs

● 2015-05-28 17:18:12
● 2016-04-15 08:21:10
○ 2016-12-04 12:07:22
○ 2026-03-29 07:06:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koerbitz.net	ns3.kasserver.com, ns4.kasserver.com	-

✅ Authoritative Response

Server:85.13.140.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koerbitz.net (unsigned zone)

⏱️ Timing

Total: 709ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.138.250`
NS	2	`ns4.kasserver.com, ns3.kasserver.com`
MX	1	`v038424.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

koerbitz.net is parent of mail.koerbitz.net.

IP Addresses

koerbitz.net points to a single IP: 85.13.138.250.

Other host names, for instance mail.yachtcharter-masteryachting.at, mail.usa-urlaub.com, mail.gerry-o-neill.com, fontelster.de and v096476.kasserver.com share IP numbers with koerbitz.net.

Name Servers

koerbitz.net's delegation is to two name servers ns3.kasserver.com and ns4.kasserver.com.

koerbitz.net shares the same name server configuration as other domains, such as dai-ingenieure.de, tga-rottweil.de, punk-and-roll.de, sandcasting.com and pfingstrosen-paradies.at.

Host names with a single IP:

ns3.kasserver.com resolves to 85.13.128.2.

ns4.kasserver.com resolves to 85.13.140.2.

Mail Servers

koerbitz.net is served by a single mail server, v038424.kasserver.com.

v038424.kasserver.com points to IP number 85.13.138.250.

koerbitz.net - robtex.com

koerbitz.net

net