`schoolvoortraining.nl`

DNSSEC	⚠️ Not signed
A	2001:7b8:60c:1:4:38:2f:2^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
		PTR	`server.schoolvoortraining.nl`
A	91.233.105.140^{🇳🇱 NL-BIT91.233.105.0/24 Hosted}
NS	`dns1.hosted.nl` ⭐
		A	2001:7b8:60c:1:4:47:10:1^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`dns1.hosted.nl`
		A	91.230.244.50^{🇳🇱 NL-BIT91.230.244.0/23 Hosted}
			PTR	`dns1.hosted.nl`
NS	`dns2.hosted.nl`
		A	2a0b:9cc0:150:35::1^{🇳🇱 InfoPact-AS2a0b:9cc0::/29}
		A	185.214.150.35^{🇳🇱 InfoPact-AS185.214.148.0/22}
NS	`dns3.hosted.nl` ⚠️ Not in zone NS records
		A	2a00:19c0:a064:10::1^{🇳🇱 InfoPact-AS2a00:19c0::/32 Qweb Internet Services B.V.}
			PTR	`dns3.hosted.nl`
		A	217.18.64.10^{🇳🇱 InfoPact-AS217.18.64.0/20 Qweb Internet Services B.V.}
			PTR	`dns3.hosted.nl`
MX	`mail.schoolvoortraining.nl` ⭐
		A	2001:7b8:60c:1:4:38:2f:2^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`server.schoolvoortraining.nl`
		A	91.233.105.140^{🇳🇱 NL-BIT91.233.105.0/24 Hosted}
			PTR	`server.schoolvoortraining.nl`
TXT	`google-site-verification=w58BqNKVk68VNgv0EweJplORn3mUK_b6UvAhov-ceXc`
TXT	`v=spf1 mx a include:_spf.google.com include:spf.eprov.nl ip4:194.33.113.0/24...`
SOA	`dns1.hosted.nl`support@hosted.nl serial=2025023437

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-28 07:30:01 +0000 (EPOCH 1774683001)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-28 #15

Subdomains

mail.schoolvoortraining.nl

DNS History

17 records (6 active, 11 former)

●NSdns1.hosted.nl2026-03-28 → 2026-03-28 · 3 obs

○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

●NSdns2.hosted.nl2026-03-28 → 2026-03-28 · 3 obs

○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

●NSdns3.hosted.nl2026-03-28 → 2026-03-28 · 3 obs

○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

○NSns1.prioserve.net2015-08-21 → 2016-04-19 · 4 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
○ 2026-03-28 08:07:04

○NSns1.svtserver.nl2018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

○NSns2.prioserve.net2015-08-21 → 2016-04-19 · 4 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
○ 2026-03-28 08:07:04

○NSns2.svtserver.nl2018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

○NSns3.prioserve.eu2015-08-21 → 2016-04-19 · 4 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
○ 2026-03-28 08:07:04

○NSns4.prioserve.nl2015-08-21 → 2016-04-19 · 4 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
○ 2026-03-28 08:07:04

○MXfallbackmx.spamexperts.eu2018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

○MXlastmx.spamexperts.net2018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

●MXmail.schoolvoortraining.nl2015-08-21 → 2026-03-28 · 5 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

○MXmx.spamexperts.com2018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

○A185.28.57.422018-08-06 → 2018-08-06 · 4 obs

○ 2016-04-19 07:23:22
● 2018-08-06 13:36:02
○ 2026-03-28 08:07:02
○ 2026-03-28 08:07:04

●A2001:7b8:60c:1:4:38:2f:22026-03-28 → 2026-03-28 · 3 obs

○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

○A91.216.113.392015-08-21 → 2016-04-19 · 4 obs

● 2015-08-21 18:13:02
● 2016-04-19 07:23:22
○ 2018-08-06 13:36:02
○ 2026-03-28 08:07:04

●A91.233.105.1402026-03-28 → 2026-03-28 · 3 obs

○ 2018-08-06 13:36:02
● 2026-03-28 08:07:02
● 2026-03-28 08:07:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns1.dns.nl, ns3.dns.nl	-
schoolvoortraining.nl	dns1.hosted.nl, dns2.hosted.nl, dns3.hosted.nl	5 records

✅ Authoritative Response

Server:217.18.64.10

NS records: dns1.hosted.nl, dns2.hosted.nl, dns3.hosted.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.233.105.140`
AAAA	1	`2001:7b8:60c:1:4:38:2f:2`
NS	2	`dns2.hosted.nl, dns1.hosted.nl`
MX	1	`mail.schoolvoortraining.nl (pri: 10)`
TXT	2	`v=spf1 mx a include:_spf.google.com inc, google-site-verification=w58BqNKVk68VNgv`
SOA	1	`dns1.hosted.nl support.hosted.nl`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (dns1.hosted.nl, dns2.hosted.nl, dns2.hosted.nl...)

Analysis

Hierarchy

The parent of mail.schoolvoortraining.nl is schoolvoortraining.nl.

IP Addresses

schoolvoortraining.nl points to two IP numbers: 2001:7b8:60c:1:4:38:2f:2 and 91.233.105.140.

Other host names, for instance mail.schoolvoortraining.nl, share IP numbers with schoolvoortraining.nl.

Name Servers

The domain schoolvoortraining.nl is delegated to three name servers: dns1.hosted.nl, dns2.hosted.nl and dns3.hosted.nl.

schoolvoortraining.nl shares name servers with other domains at least partially, for instance isatis-cybersecurity.nl, oldengines.nl, wabi-sabi.nl, elektrodump.nl and eventstravel.com.

these name servers are often used with dns1.whitelabelsolutions.nl, dns2.whitelabelsolutions.nl and dns3.whitelabelsolutions.nl.

Host names with two IP numbers:

dns1.hosted.nl points to 2001:7b8:60c:1:4:47:10:1 and 91.230.244.50

dns2.hosted.nl points to 2a0b:9cc0:150:35::1 and 185.214.150.35

dns3.hosted.nl points to 2a00:19c0:a064:10::1 and 217.18.64.10

Mail Servers

The mail server for schoolvoortraining.nl is mail.schoolvoortraining.nl.

Host name mail.schoolvoortraining.nl resolves to two IPs: 2001:7b8:60c:1:4:38:2f:2 and 91.233.105.140.

schoolvoortraining.nl - robtex.com