`karstenkettermann.com`

DNSSEC	⚠️ Not signed
A	78.46.1.16^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
		PTR	`dedi616.your-server.de`
NS	`ns1.first-ns.de` ⭐
		A	2a01:4f8:0:a101::a:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.first-ns.de`
		A	213.239.242.238^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns1.first-ns.de`
NS	`robotns2.second-ns.de`
		A	2a01:4f8:0:1::5ddc:2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`robotns2.second-ns.de`
		A	213.133.100.103^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`robotns2.second-ns.de`
NS	`robotns3.second-ns.com`
		A	2001:67c:192c::add:a3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`robotns3.second-ns.com`
		A	193.47.99.3^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`robotns3.second-ns.com`
MX	`mail.karstenkettermann.com` ⭐
		A	78.46.1.16^{🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5}
			PTR	`dedi616.your-server.de`
SOA	`ns1.first-ns.de`postmaster@robot.first-ns.de 2020-01-27 #0

`com`

	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`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

DNS History

5 records (5 active, 0 former)

●NSns1.first-ns.de2016-12-14 → 2026-03-18 · 2 obs

● 2016-12-14 00:26:28
● 2026-03-18 12:36:36

●NSrobotns2.second-ns.de2016-12-14 → 2026-03-18 · 2 obs

● 2016-12-14 00:26:28
● 2026-03-18 12:36:36

●NSrobotns3.second-ns.com2016-12-14 → 2026-03-18 · 2 obs

● 2016-12-14 00:26:28
● 2026-03-18 12:36:36

●MXmail.karstenkettermann.com2016-12-14 → 2026-03-18 · 2 obs

● 2016-12-14 00:26:28
● 2026-03-18 12:36:36

●A78.46.1.162016-12-14 → 2026-03-18 · 2 obs

● 2016-12-14 00:26:28
● 2026-03-18 12:36:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
karstenkettermann.com	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	2 records

✅ Authoritative Response

Server: 213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for karstenkettermann.com (unsigned zone)

⏱️ Timing

Total: 982ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.46.1.16`
NS	3	`ns1.first-ns.de, robotns3.second-ns.com...`
MX	1	`mail.karstenkettermann.com (pri: 10)`
SOA	1	`ns1.first-ns.de postmaster.robot.first-n`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

IP Addresses

karstenkettermann.com points to a single IP number: 78.46.1.16.

Other host names, for instance mail.hotel-hamm.de, mail.demkarsten.de, mail.fliesenbarnickel.de, demkarsten.de and hotel-hamm.de share IP numbers with karstenkettermann.com.

Name Servers

The domain karstenkettermann.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

karstenkettermann.com shares name servers with other domains at least partially, for instance mihaighete.ro, cotaris.de, so-co-it.com, suuf.de and tolle-kalender.info.

these name servers are often used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

Host names with two IP numbers:

robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3

ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238

robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103

Mail Servers

The mail server for karstenkettermann.com is mail.karstenkettermann.com.

Host name mail.karstenkettermann.com resolves to IP 78.46.1.16.

karstenkettermann.com - robtex.com