koolenbrander.com - robtex.com

koolenbrander.com

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1077::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.77🇩🇪 STRATO81.169.144.0/22 AG
NSdocks20.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:20🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks20.rzone.de
A217.160.80.147🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks20.rzone.de
NSshades16.rzone.de
A2607:f1c0:fe:53:185:132:34:143🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades16.rzone.de
A185.132.34.143🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades16.rzone.de
MXsmtp.rzone.de ⭐
A2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtp.rzone.de
A81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtp.rzone.de
SOAdocks20.rzone.dehostmaster@strato-rz.de 2025-03-09 #33

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775637667

Same first word

koolenbrander.com

DNS History

5 records (5 active, 0 former)

NSdocks20.rzone.deshades16.rzone.deMXsmtp.rzone.deA2a01:238:20a:202:1077::81.169.145.77
●NSdocks20.rzone.de2026-03-28 → 2026-04-08 · 2 obs
● 2026-03-28 07:44:02
● 2026-04-08 08:57:28
●NSshades16.rzone.de2026-03-28 → 2026-04-08 · 2 obs
● 2026-03-28 07:44:02
● 2026-04-08 08:57:28
●MXsmtp.rzone.de2026-03-28 → 2026-04-08 · 2 obs
● 2026-03-28 07:44:02
● 2026-04-08 08:57:28
●A2a01:238:20a:202:1077::2026-03-28 → 2026-04-08 · 2 obs
● 2026-03-28 07:44:02
● 2026-04-08 08:57:28
●A81.169.145.772026-03-28 → 2026-04-08 · 2 obs
● 2026-03-28 07:44:02
● 2026-04-08 08:57:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
koolenbrander.comshades16.rzone.de, docks20.rzone.de-

✅ Authoritative Response

Server:185.132.34.143

NS records: shades16.rzone.de, docks20.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koolenbrander.com (unsigned zone)

⏱️ Timing

Total: 446ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.77
AAAA12a01:238:20a:202:1077::
NS2docks20.rzone.de, shades16.rzone.de
MX1smtp.rzone.de (pri: 5)
SOA1docks20.rzone.de hostmaster.strato-rz.de

Analysis

IP Addresses

koolenbrander.com points to two IP numbers: 2a01:238:20a:202:1077:: and 81.169.145.77.

Other host names such as super-grafik.de, portraitarchiv.de, photo-professional-stade.de, psiloflora.nl and ulimi.de share IP numbers with koolenbrander.com.

Name Servers

koolenbrander.com is delegated to two name servers: docks20.rzone.de and shades16.rzone.de.

koolenbrander.com uses the same name server setup as other domains, including gemini-ballooning.de, jtis.nl, ts-fahrzeugtechnik.de, integrator.de and medvesek.net.

At least part of the name servers for koolenbrander.com are shared with other domains, for instance herr-rehbein.info, naepfli.de, idresden.de, testsicles.com and stiftung-elbphilharmonie.de.

these name servers are commonly used with the name servers shades01.rzone.de, shades06.rzone.de, docks10.rzone.de, docks03.rzone.de, shades13.rzone.de, docks04.rzone.de, docks19.rzone.de, docks01.rzone.de, docks13.rzone.de and shades20.rzone.de.

Host names with two IP numbers:

docks20.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:20 and 217.160.80.147.

shades16.rzone.de points to 2607:f1c0:fe:53:185:132:34:143 and 185.132.34.143.

Mail Servers

The mail server for koolenbrander.com is smtp.rzone.de.

koolenbrander.com uses the same mail server setup as other domains, for instance degisa.com, qdconstructions.nl, securitysim.de, electra.madeo.nl and schude.de.

Hostname smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.