tkoessler.de - robtex.com

tkoessler.de

DNSSEC🔒 Signed (DS record present)
A2a03:4000:5e:184:e496:fcff:fe3b:f217🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRmail.tkoessler.de
A89.58.7.51🇩🇪 netcup-AS89.58.4.0/22
NSroot-dns.netcup.net ⭐
A2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRroot-dns.netcup.net
A46.38.225.225🇩🇪 netcup-AS46.38.225.0/24
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRsecond-dns.netcup.net
A37.221.199.199🇩🇪 netcup-AS37.221.196.0/22
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH
PTRthird-dns.netcup.net
A188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH
PTRthird-dns.netcup.net
MXmail.tkoessler.de ⭐
A2a03:4000:5e:184:e496:fcff:fe3b:f217🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH
PTRmail.tkoessler.de
A89.58.7.51🇩🇪 netcup-AS89.58.4.0/22
PTRmail.tkoessler.de
TXTgoogle-site-verification=-WP2vMlGKvnAWQWYvdrHmtKHGflY4mU-Zha0LNklXxs
TXTv=spf1 a mx -all
SOAroot-dns.netcup.netdnsadmin@netcup.net 2026-07-31 #46

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1785529850

Subdomains

mail.tkoessler.de

Similar names

kloesters.de
koestlers.com
elksstore.com
kloesters.net
selektors.net

DNS History

6 records (6 active, 0 former)

NSroot-dns.netcup.netsecond-dns.netcup.netthird-dns.netcup.netMXmail.tkoessler.deA2a03:4000:5e:184:e496:fcff:fe3b:f21789.58.7.51
●NSroot-dns.netcup.net2026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36
●NSsecond-dns.netcup.net2026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36
●NSthird-dns.netcup.net2026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36
●MXmail.tkoessler.de2026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36
●A2a03:4000:5e:184:e496:fcff:fe3b:f2172026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36
●A89.58.7.512026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 21:05:34
● 2026-07-31 21:05:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
tkoessler.deroot-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net-

✅ Authoritative Response

Server:46.38.225.225

NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1364ms | Queries: -

📄 Records

TypeCountSample Data
A189.58.7.51
AAAA12a03:4000:5e:184:e496:fcff:fe3b:f217
NS3root-dns.netcup.net, third-dns.netcup.net...
MX1mail.tkoessler.de (pri: 25)
TXT2google-site-verification=-WP2vMlGKvnAWQW, v=spf1 a mx -all
SOA1root-dns.netcup.net dnsadmin.netcup.net

Analysis

Hierarchy

tkoessler.de serves as the parent of mail.tkoessler.de.

IP Addresses

tkoessler.de directs to two IP numbers, 89.58.7.51 and 2a03:4000:5e:184:e496:fcff:fe3b:f217

tkoessler.de shares its IP numbers with other host names like 2faguard.app, mail.tkoessler.de and timokoessler.de.

Name Servers

tkoessler.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

tkoessler.de has at least partial name server overlap with other domains, such as zihl.net, fam-elser.de, stepbystep-hannover.de and two others.

root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44.

Mail Servers

tkoessler.de routes its mail through a single mail server, mail.tkoessler.de.

tkoessler.de uses the same mail servers as timokoessler.de and 2faguard.app, among others.

mail.tkoessler.de has two IP addresses: 89.58.7.51 and 2a03:4000:5e:184:e496:fcff:fe3b:f217.