`smarttechnologies.nl`

DNSSEC	⚠️ Not signed
A	85.17.243.196^{🇳🇱 LEASEWEB-NL-AMS-0185.17.0.0/16 LEASEWEB}
NS	`ns0.leaseweb.nl` ⭐ ⚠️ Not in parent delegation
		A	2607:f5b5::53^{🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
		A	23.19.196.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
NS	`ns1.leaseweb.nl`
		A	23.19.196.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
NS	`ns4.leaseweb.net`
		A	2607:f5b5::53^{🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
		A	23.19.196.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
NS	`ns5.leaseweb.nl`
		A	2607:f5b5:1::53^{🇺🇸 LEASEWEB-NL-AMS-012607:f5b5:1::/48 Leaseweb USA, Inc.}
			PTR	`ns1.leaseweb.com`
		A	23.19.197.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.197.0/24 Leaseweb USA, Inc.}
			PTR	`ns1.leaseweb.com`
MX	`nospam01.smartminds.nl` ⭐
MX	`nospam02.smartminds.nl`⁽²⁰⁾
SOA	`ns0.leaseweb.nl`Postmaster@leaseweb.nl 2014-10-22 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-25 10:30:01 +0000 (EPOCH 1774434601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-25 #21

Same first word

DNS History

7 records (7 active, 0 former)

●NSns0.leaseweb.nl2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●NSns1.leaseweb.nl2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●NSns4.leaseweb.net2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●NSns5.leaseweb.nl2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●MXnospam01.smartminds.nl2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●MXnospam02.smartminds.nl2015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

●A85.17.243.1962015-08-18 → 2026-03-25 · 2 obs

● 2015-08-18 23:25:36
● 2026-03-25 11:13:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
smarttechnologies.nl	ns1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl	3 records

✅ Authoritative Response

Server:23.19.196.53

NS records: ns1.leaseweb.nl, ns4.leaseweb.net, ns5.leaseweb.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smarttechnologies.nl (unsigned zone)

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.17.243.196`
NS	4	`ns5.leaseweb.nl, ns1.leaseweb.nl...`
MX	2	`nospam02.smartminds.nl (pri: 20), nospam01.smartminds.nl (pri: 10)`
SOA	1	`ns0.leaseweb.nl Postmaster.leaseweb.nl`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.leaseweb.nl, ns5.leaseweb.nl, ns5.leaseweb.nl)

Analysis

IP Addresses

smarttechnologies.nl points to an IP address: 85.17.243.196.

Other host names, for instance smartminds.tv, share IP numbers with smarttechnologies.nl.

Name Servers

smarttechnologies.nl delegates to four name servers: ns4.leaseweb.net, ns0.leaseweb.nl, ns1.leaseweb.nl and ns5.leaseweb.nl.

smarttechnologies.nl at least partially shares name servers with other domains, for instance cm-portal.nl, 154.211.95.in-addr.arpa, floorplanner.ch, photosurvey.nl and 144.17.185.in-addr.arpa.

These name servers are commonly used with ns0.leaseweb.com and ns1.leaseweb.com.

Host names with two IP numbers:

ns4.leaseweb.net points to 2607:f5b5::53 and 23.19.196.53.

ns0.leaseweb.nl points to 2607:f5b5::53 and 23.19.196.53.

ns5.leaseweb.nl points to 2607:f5b5:1::53 and 23.19.197.53.

Host names with one IP number:

ns1.leaseweb.nl points to 23.19.196.53.

Host names that point to 2607:f5b5::53: ns4.leaseweb.net and ns0.leaseweb.nl.

Host names that point to 23.19.196.53: ns4.leaseweb.net, ns0.leaseweb.nl and ns1.leaseweb.nl.

Mail Servers

smarttechnologies.nl is handled by two mail servers: nospam01.smartminds.nl and nospam02.smartminds.nl.

The mail server setup for smarttechnologies.nl is the same as for other domains, such as smartminds.tv.

smarttechnologies.nl shares at least some mail servers with other domains, for instance smartminds.nl.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smarttechnologies.nl - robtex.com