`toptheorie.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a00:9b60:0:4:1c00:b4ff:fe00:11e2^{🇳🇱 CLDIN-NL2a00:9b60::/40}
		PTR	`v29144-2is.nl`
A	176.117.58.46^{🇳🇱 CLDIN-NL176.117.58.0/23}
NS	`ns03.2is.nl` ⭐
		A	2001:1460:3:4:1c00:b4ff:fe00:270a^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`ns03.2is.nl`
		A	62.221.202.199^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`ns03.2is.nl`
NS	`ns04.2is.be`
		A	2001:1460:2:2:1c00:4eff:fe00:2bf6^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`ns04.2is.be`
			PTR	`ns04b.2is.be`
		A	62.221.197.54^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`ns04.2is.be`
NS	`ns05.2is.nl`
		A	2a0d:7980:2:100:881:27ff:fe7a:1de9^{🇳🇱 UPCLOUD2a0d:7980:2::/48}
		A	194.107.180.31^{🇳🇱 UPCLOUD194.107.180.0/24}
			PTR	`hosted-by.savvii.com`
MX	`mx.spamservice.nl` ⭐
		A	2001:1460:3:1:1c00:19ff:fe00:1745^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter3.spamservice.nl`
		A	2001:1460:3:4:1c00:28ff:fe00:2659^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter1.spamservice.nl`
		A	2001:1460:3:4:1c00:a1ff:fe00:265b^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter2.spamservice.nl`
		A	62.221.202.22^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter1.spamservice.nl`
		A	62.221.202.24^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter2.spamservice.nl`
		A	94.126.32.146^{🇳🇱 CLDIN-NL94.126.32.0/22}
			PTR	`filter3.spamservice.nl`
MX	`fallbackmx.spamservice.nl`⁽²⁰⁾
		A	2001:1460:3:1:1c00:19ff:fe00:1745^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter3.spamservice.nl`
		A	2001:1460:3:4:1c00:28ff:fe00:2659^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter1.spamservice.nl`
		A	2001:1460:3:4:1c00:a1ff:fe00:265b^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter2.spamservice.nl`
		A	62.221.202.22^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter1.spamservice.nl`
		A	62.221.202.24^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter2.spamservice.nl`
		A	94.126.32.146^{🇳🇱 CLDIN-NL94.126.32.0/22}
			PTR	`filter3.spamservice.nl`
MX	`lastmx.spamservice.nl`⁽³⁰⁾
		A	2001:1460:3:1:1c00:19ff:fe00:1745^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter3.spamservice.nl`
		A	2001:1460:3:4:1c00:28ff:fe00:2659^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter1.spamservice.nl`
		A	2001:1460:3:4:1c00:a1ff:fe00:265b^{🇳🇱 CLDIN-NL2001:1460::/32}
			PTR	`filter2.spamservice.nl`
		A	62.221.202.22^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter1.spamservice.nl`
		A	62.221.202.24^{🇳🇱 CLDIN-NL62.221.192.0/19}
			PTR	`filter2.spamservice.nl`
		A	94.126.32.146^{🇳🇱 CLDIN-NL94.126.32.0/22}
			PTR	`filter3.spamservice.nl`
TXT	`facebook-domain-verification=12wplzeh3twmrqmawvv4atcqcficwa`
TXT	`v=spf1 mx a include:spf.spamservice.nl ?all`
SOA	`ns03.2is.nl`domain-admin@2is.nl 2026-04-09 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-14 14:30:01 +0000 (EPOCH 1776177001)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-14 #29

Previously MX for

toptheorie.nl

Same first word

toptheorie.nl

DNS History

26 records (8 active, 18 former)

○NSist1.beyazhosting.com2016-02-12 → 2016-02-12 · 4 obs

○ 2015-11-24 07:45:02
● 2016-02-12 21:03:36
○ 2017-01-19 12:50:26
○ 2026-04-14 15:15:58

○NSist2.beyazhosting.com2016-02-12 → 2016-02-12 · 4 obs

○ 2015-11-24 07:45:02
● 2016-02-12 21:03:36
○ 2017-01-19 12:50:26
○ 2026-04-14 15:15:58

○NSns0.transip.nl2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

●NSns03.2is.nl2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

●NSns04.2is.be2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

●NSns05.2is.nl2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

○NSns1.isimtescil.net2015-08-08 → 2015-11-24 · 4 obs

● 2015-08-08 02:34:58
● 2015-11-24 07:45:02
○ 2016-02-12 21:03:36
○ 2026-04-14 15:15:58

○NSns1.toptheorie.nl2017-01-19 → 2017-01-19 · 4 obs

○ 2016-02-12 21:03:36
● 2017-01-19 12:50:26
○ 2018-05-18 15:20:24
○ 2026-04-14 15:15:58

○NSns1.transip.net2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

○NSns2.isimtescil.net2015-08-08 → 2015-11-24 · 4 obs

● 2015-08-08 02:34:58
● 2015-11-24 07:45:02
○ 2016-02-12 21:03:36
○ 2026-04-14 15:15:58

○NSns2.toptheorie.nl2017-01-19 → 2017-01-19 · 4 obs

○ 2016-02-12 21:03:36
● 2017-01-19 12:50:26
○ 2018-05-18 15:20:24
○ 2026-04-14 15:15:58

○NSns2.transip.eu2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

●MXfallbackmx.spamservice.nl2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

●MXlastmx.spamservice.nl2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

○MXmail.flexdesigns.nl2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

○MXmail.toptheorie.nl2017-01-19 → 2017-01-19 · 4 obs

○ 2016-02-12 21:03:36
● 2017-01-19 12:50:26
○ 2018-05-18 15:20:24
○ 2026-04-14 15:15:58

●MXmx.spamservice.nl2026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

○MXmx01.toptheorie.nl2015-08-08 → 2015-11-24 · 4 obs

● 2015-08-08 02:34:58
● 2015-11-24 07:45:02
○ 2016-02-12 21:03:36
○ 2026-04-14 15:15:58

○MXtoptheorie.nl2016-02-12 → 2016-02-12 · 4 obs

○ 2015-11-24 07:45:02
● 2016-02-12 21:03:36
○ 2017-01-19 12:50:26
○ 2026-04-14 15:15:58

○A149.210.145.152018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

●A176.117.58.462026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

○A185.50.68.2012017-01-19 → 2017-01-19 · 4 obs

○ 2016-02-12 21:03:36
● 2017-01-19 12:50:26
○ 2018-05-18 15:20:24
○ 2026-04-14 15:15:58

●A2a00:9b60:0:4:1c00:b4ff:fe00:11e22026-03-30 → 2026-04-14 · 3 obs

○ 2018-05-18 15:20:24
● 2026-03-30 09:09:18
● 2026-04-14 15:15:58

○A2a01:7c8:aab0:228::2018-05-18 → 2018-05-18 · 4 obs

○ 2017-01-19 12:50:26
● 2018-05-18 15:20:24
○ 2026-03-30 09:09:18
○ 2026-04-14 15:15:58

○A88.198.47.2342016-02-12 → 2016-02-12 · 4 obs

○ 2015-11-24 07:45:02
● 2016-02-12 21:03:36
○ 2017-01-19 12:50:26
○ 2026-04-14 15:15:58

○A93.89.224.952015-08-08 → 2015-11-24 · 4 obs

● 2015-08-08 02:34:58
● 2015-11-24 07:45:02
○ 2016-02-12 21:03:36
○ 2026-04-14 15:15:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
toptheorie.nl	ns03.2is.nl, ns04.2is.be, ns05.2is.nl	-

✅ Authoritative Response

Server:62.221.202.199

NS records: ns03.2is.nl, ns04.2is.be, ns05.2is.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 631ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.117.58.46`
AAAA	1	`2a00:9b60:0:4:1c00:b4ff:fe00:11e2`
NS	3	`ns05.2is.nl, ns03.2is.nl...`
MX	3	`lastmx.spamservice.nl (pri: 30), fallbackmx.spamservice.nl (pri: 20)...`
TXT	2	`facebook-domain-verification=12wplzeh3tw, v=spf1 mx a include:spf.spamservice.nl ?`
SOA	1	`ns03.2is.nl domain-admin.2is.nl`

Analysis

IP Addresses

toptheorie.nl resolves to two IP numbers: 2a00:9b60:0:4:1c00:b4ff:fe00:11e2 and 176.117.58.46.

Other host names, for instance honestus.nl, masugro.com, mail.lauren.nl, bisscheroux.net and s005.interlize.net share IP numbers with toptheorie.nl.

Name Servers

toptheorie.nl is delegated to three name servers: ns04.2is.be, ns03.2is.nl and ns05.2is.nl.

toptheorie.nl partially shares name servers with other domains; examples include rievo.nl, mignonjuwelier.com, theaioffice.app, vl2s.com and pantares.com.

these name servers are commonly used with the name servers ns04.2is.nl.

Host names with two IP numbers:

ns04.2is.be points to 2001:1460:2:2:1c00:4eff:fe00:2bf6 and 62.221.197.54.

ns03.2is.nl points to 2001:1460:3:4:1c00:b4ff:fe00:270a and 62.221.202.199.

ns05.2is.nl points to 2a0d:7980:2:100:881:27ff:fe7a:1de9 and 194.107.180.31.

Mail Servers

toptheorie.nl is handled by three mail servers: fallbackmx.spamservice.nl, lastmx.spamservice.nl and mx.spamservice.nl.

toptheorie.nl shares some mail servers with other domains, at least partially, such as bastienne.nl, nubeterfrans.nl, relatiescan.be, theepraat.nl and tassenkraam.nl.