`polytechnisch.nl`

DNSSEC	🔒 Signed (DS record present)
A	89.106.200.1^{🇳🇱 Enflow89.106.200.0/24}
		PTR	`edge.redirect.pizza`
NS	`ns1.argewebhosting.eu` ⭐
		A	2a05:1500:702:0:1c00:eff:fe00:ce^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`ns1.argewebhosting.eu`
		A	31.25.98.210^{🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V.}
			PTR	`ns1.argewebhosting.eu`
NS	`ns2.argewebhosting.com`
		A	2a05:1500:702:0:1c00:13ff:fe00:a5^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`ns2.argewebhosting.com`
		A	31.25.98.169^{🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V.}
			PTR	`ns2.argewebhosting.com`
NS	`ns3.argewebhosting.nl`
		A	2a05:1500:600:7:1c00:55ff:fe00:f1a^{🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02)}
			PTR	`ns3.argewebhosting.nl`
		A	92.63.168.137^{🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route}
			PTR	`ns3.argewebhosting.nl`
MX	`mail.rbsrv.nl` ⭐
		A	54.246.142.120^{🇮🇪 Amazon54.246.128.0/17 EC2 DUB prefix}
			PTR	`ec2-54-246-142-120.eu-west-1.compute.amazonaws.com`
SOA	`ns1.argewebhosting.eu`hostmaster@argeweb.nl 2023-05-23 #4

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-24 19:00:02 +0000 (EPOCH 1774378802)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-24 #38

Same first word

polytechnisch.nl

DNS History

9 records (5 active, 4 former)

○NSdns1.vip.nl2015-08-04 → 2016-07-09 · 4 obs

● 2015-08-04 22:50:24
● 2016-07-09 11:54:38
○ 2017-03-25 18:52:40
○ 2026-03-24 19:29:58

○NSdns2.vip.nl2015-08-04 → 2016-07-09 · 4 obs

● 2015-08-04 22:50:24
● 2016-07-09 11:54:38
○ 2017-03-25 18:52:40
○ 2026-03-24 19:29:58

●NSns1.argewebhosting.eu2017-03-25 → 2026-03-24 · 3 obs

○ 2016-07-09 11:54:38
● 2017-03-25 18:52:40
● 2026-03-24 19:29:58

●NSns2.argewebhosting.com2017-03-25 → 2026-03-24 · 3 obs

○ 2016-07-09 11:54:38
● 2017-03-25 18:52:40
● 2026-03-24 19:29:58

●NSns3.argewebhosting.nl2017-03-25 → 2026-03-24 · 3 obs

○ 2016-07-09 11:54:38
● 2017-03-25 18:52:40
● 2026-03-24 19:29:58

●MXmail.rbsrv.nl2015-08-04 → 2026-03-24 · 2 obs

● 2015-08-04 22:50:24
● 2026-03-24 19:29:58

○A145.131.10.2482017-03-25 → 2017-03-25 · 3 obs

○ 2016-07-09 11:54:38
● 2017-03-25 18:52:40
○ 2026-03-24 19:29:58

○A145.43.216.312015-08-04 → 2016-07-09 · 4 obs

● 2015-08-04 22:50:24
● 2016-07-09 11:54:38
○ 2017-03-25 18:52:40
○ 2026-03-24 19:29:58

●A89.106.200.12026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-25 18:52:40
● 2026-03-24 19:29:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
polytechnisch.nl	ns2.argewebhosting.com, ns1.argewebhosting.eu, ns3.argewebhosting.nl	2 records

✅ Authoritative Response

Server:31.25.98.169

NS records: ns2.argewebhosting.com, ns1.argewebhosting.eu, ns3.argewebhosting.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.106.200.1`
NS	3	`ns1.argewebhosting.eu, ns2.argewebhosting.com...`
MX	1	`mail.rbsrv.nl (pri: 1)`
SOA	1	`ns1.argewebhosting.eu hostmaster.argeweb`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.argewebhosting.nl, ns3.argewebhosting.nl)

Analysis

IP Addresses

polytechnisch.nl points to an IP address: 89.106.200.1.

other host names include cityofbowiemd.gov, fideli.com.br, lottiemurphypilates.com, cpgtrucking.com and energyvoice.com; they share IP numbers with polytechnisch.nl.

Name Servers

polytechnisch.nl is delegated to three name servers ns2.argewebhosting.com, ns1.argewebhosting.eu and ns3.argewebhosting.nl.

polytechnisch.nl at least partially shares name servers with other domains, for instance devoorhaven.nl, showroomkeukens.be, newmen-components.com, sosjaan.nl and kluis.com.

Host names with two IP numbers:

ns2.argewebhosting.com points to 2a05:1500:702:0:1c00:13ff:fe00:a5 and 31.25.98.169; ns1.argewebhosting.eu points to 2a05:1500:702:0:1c00:eff:fe00:ce and 31.25.98.210; ns3.argewebhosting.nl points to 2a05:1500:600:7:1c00:55ff:fe00:f1a and 92.63.168.137.

Mail Servers

polytechnisch.nl is handled by a single mail server, mail.rbsrv.nl.

polytechnisch.nl uses the same mail server setup as other domains, for instance elsevier-retail.com, studentenedities.nl, agressiegezondheidszorg.nl, zorgbeleidmanagement.nl and elseviergezondheidszorg.net.

polytechnisch.nl shares at least some mail servers with other domains, including foodmagazine.nl and overheidsplannen.nl.

these mail servers are commonly used together with bounce.argewebhosting.nl.

The host name mail.rbsrv.nl points to IP 54.246.142.120.

polytechnisch.nl - robtex.com