`smart-thinking.nl`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1148::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w94.rzone.de`
A	81.169.145.148^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks02.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
		A	217.160.80.129^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks02.rzone.de`
NS	`shades13.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:140^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades13.rzone.de`
		A	185.132.34.140^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades13.rzone.de`
MX	`smtp.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::2097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtp.rzone.de`
		A	81.169.145.98^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtp.rzone.de`
SOA	`docks02.rzone.de`hostmaster@strato-rz.de 2021-11-04 #37

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-13 16:30:01 +0000 (EPOCH 1776097801)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-13 #32

Same first word

smart-thinking.de

smart-thinking.at

smart-thinking.nl

DNS History

5 records (5 active, 0 former)

●NSdocks02.rzone.de2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 19:32:08
● 2026-04-13 17:14:00

●NSshades13.rzone.de2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 19:32:08
● 2026-04-13 17:14:00

●MXsmtp.rzone.de2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 19:32:08
● 2026-04-13 17:14:00

●A2a01:238:20a:202:1148::2026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 19:32:08
● 2026-04-13 17:14:00

●A81.169.145.1482026-04-03 → 2026-04-13 · 2 obs

● 2026-04-03 19:32:08
● 2026-04-13 17:14:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns4.dns.nl, ns3.dns.nl	-
smart-thinking.nl	docks02.rzone.de, shades13.rzone.de	-

✅ Authoritative Response

Server:217.160.80.129

NS records: docks02.rzone.de, shades13.rzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.148`
AAAA	1	`2a01:238:20a:202:1148::`
NS	2	`shades13.rzone.de, docks02.rzone.de`
MX	1	`smtp.rzone.de (pri: 5)`
SOA	1	`docks02.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

smart-thinking.nl has two IP numbers: 2a01:238:20a:202:1148:: and 81.169.145.148.

Other host names, for instance doek-goed.nl, towi.org, griebsch.eu, gasthof-bayern.de and lerncamps.org share IP numbers with smart-thinking.nl.

Name Servers

smart-thinking.nl's delegation uses two name servers: docks02.rzone.de and shades13.rzone.de.

smart-thinking.nl uses the same name server setup as other domains, such as marimba.es, grossetigges.eu, cannabest.net, mocisys.de and brustkrebs-forum.de.

smart-thinking.nl at least partially shares name servers with other domains, including stoelinga.nl, createled.at, wroki.de, paintnova.de and 123versandapotheke.de.

These name servers are commonly used with shades18.rzone.de, shades05.rzone.de, docks13.rzone.de, docks17.rzone.de, shades03.rzone.de, docks12.rzone.de, docks09.rzone.de, shades11.rzone.de, shades07.rzone.de and docks14.rzone.de.

Host names with two IPs:

docks02.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:2 and 217.160.80.129

shades13.rzone.de points to 2607:f1c0:fe:53:185:132:34:140 and 185.132.34.140

Mail Servers

A single mail server handles smart-thinking.nl, smtp.rzone.de.

smart-thinking.nl shares the same mail server setup as other domains, for instance mailspool.internetkoerier.com, mail.foot-see.nl, rocketlaunch.nl, rtvvoorst.nl and internet-revolution.net.

The host name smtp.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.

smart-thinking.nl - robtex.com