`kasboeksoftware.nl`

DNSSEC	🔒 Signed (DS record present)
A	2a06:2ec0:1::153^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
		PTR	`web0153.zxcs.nl`
A	185.104.29.142^{🇳🇱 AS-ZXCS185.104.29.0/24}
NS	`ns.zxcs.be` ⭐
		A	2a03:b0c0:3:d0::116:2001^{🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean}
			PTR	`ns2.zxcs.nl`
		A	46.101.179.64^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`ns2.zxcs.nl`
NS	`ns.zxcs.eu`
		A	2a03:b0c0:2:d0::57:1001^{🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean}
			PTR	`ns3.zxcs.nl`
		A	178.62.208.8^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`ns3.zxcs.nl`
NS	`ns.zxcs.nl`
		A	2a06:2ec0:1::10^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`ns1.zxcs.nl`
		A	185.104.28.19^{🇳🇱 AS-ZXCS185.104.28.0/24}
			PTR	`ns1.zxcs.nl`
MX	`mail.kasboeksoftware.nl` ⭐
		A	2a06:2ec0:1::153^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`web0153.zxcs.nl`
		A	185.104.29.142^{🇳🇱 AS-ZXCS185.104.29.0/24}
			PTR	`web0153.zxcs.nl`
TXT	`v=spf1 a mx ip4:185.104.29.142 ip6:2a06:2ec0:1:0:0:0:0:153 include:filter-out...`
SOA	`ns.zxcs.be`hostmaster@kasboeksoftware.nl 2026-01-28 #4

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-26 21:00:02 +0000 (EPOCH 1774558802)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-26 #42

Previously MX for

kasboeksoftware.nl

Subdomains

mail.kasboeksoftware.nl

Same first word

kasboeksoftware.nl

DNS History

16 records (6 active, 10 former)

●NSns.zxcs.be2026-03-13 → 2026-03-26 · 3 obs

○ 2020-03-05 18:22:34
● 2026-03-13 23:04:02
● 2026-03-26 21:23:56

●NSns.zxcs.eu2026-03-13 → 2026-03-26 · 3 obs

○ 2020-03-05 18:22:34
● 2026-03-13 23:04:02
● 2026-03-26 21:23:56

●NSns.zxcs.nl2026-03-13 → 2026-03-26 · 3 obs

○ 2020-03-05 18:22:34
● 2026-03-13 23:04:02
● 2026-03-26 21:23:56

○NSns0.transip.net2015-05-24 → 2016-04-05 · 4 obs

● 2015-05-24 00:51:18
● 2016-04-05 23:41:40
○ 2016-09-08 15:07:52
○ 2026-03-26 21:23:56

○NSns1.transip.net2015-05-24 → 2016-04-05 · 4 obs

● 2015-05-24 00:51:18
● 2016-04-05 23:41:40
○ 2016-09-08 15:07:52
○ 2026-03-26 21:23:56

○NSns2.transip.net2015-05-24 → 2016-04-05 · 4 obs

● 2015-05-24 00:51:18
● 2016-04-05 23:41:40
○ 2016-09-08 15:07:52
○ 2026-03-26 21:23:56

○NSnszero1.axc.nl2016-09-08 → 2020-03-05 · 5 obs

○ 2016-04-05 23:41:40
● 2016-09-08 15:07:52
● 2020-03-05 18:22:34
○ 2026-03-13 23:04:02
○ 2026-03-26 21:23:56

○NSnszero2.axc.nl2016-09-08 → 2020-03-05 · 5 obs

○ 2016-04-05 23:41:40
● 2016-09-08 15:07:52
● 2020-03-05 18:22:34
○ 2026-03-13 23:04:02
○ 2026-03-26 21:23:56

○MXfallback.axc.eu2020-03-05 → 2020-03-05 · 4 obs

○ 2017-03-31 07:43:14
● 2020-03-05 18:22:34
○ 2026-03-13 23:04:02
○ 2026-03-26 21:23:56

○MXfallback.axc.nl2016-09-08 → 2017-03-31 · 5 obs

○ 2016-04-05 23:41:40
● 2016-09-08 15:07:52
● 2017-03-31 07:43:14
○ 2020-03-05 18:22:34
○ 2026-03-26 21:23:56

○MXkasboeksoftware.nl2015-05-24 → 2016-04-05 · 4 obs

● 2015-05-24 00:51:18
● 2016-04-05 23:41:40
○ 2016-09-08 15:07:52
○ 2026-03-26 21:23:56

●MXmail.kasboeksoftware.nl2016-09-08 → 2026-03-26 · 3 obs

○ 2016-04-05 23:41:40
● 2016-09-08 15:07:52
● 2026-03-26 21:23:56

●A185.104.29.1422026-03-13 → 2026-03-26 · 3 obs

○ 2020-03-05 18:22:34
● 2026-03-13 23:04:02
● 2026-03-26 21:23:56

●A2a06:2ec0:1::1532026-03-13 → 2026-03-26 · 3 obs

○ 2020-03-05 18:22:34
● 2026-03-13 23:04:02
● 2026-03-26 21:23:56

○A80.69.73.1732015-05-24 → 2017-03-31 · 4 obs

● 2015-05-24 00:51:18
● 2017-03-31 07:43:14
○ 2020-03-05 18:22:34
○ 2026-03-26 21:23:56

○A80.69.94.592020-03-05 → 2020-03-05 · 4 obs

○ 2017-03-31 07:43:14
● 2020-03-05 18:22:34
○ 2026-03-13 23:04:02
○ 2026-03-26 21:23:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
kasboeksoftware.nl	ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl	-

✅ Authoritative Response

Server:178.62.208.8

NS records: ns.zxcs.be, ns.zxcs.eu, ns.zxcs.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.104.29.142`
AAAA	1	`2a06:2ec0:1::153`
NS	3	`ns.zxcs.eu, ns.zxcs.be...`
MX	1	`mail.kasboeksoftware.nl (pri: 10)`
TXT	1	`v=spf1 a mx ip4:185.104.29.142 ip6:2a06:`
SOA	1	`ns.zxcs.be hostmaster.kasboeksoftware.nl`

Analysis

Hierarchy

kasboeksoftware.nl is a parent of mail.kasboeksoftware.nl.

IP Addresses

kasboeksoftware.nl points to two IP numbers: 2a06:2ec0:1::153 and 185.104.29.142.

Other host names, for instance www.nestahaarlem.nl, mail.konuskessel.eu, guapo.nl, howtofixthefuture.com and verlovingsring.org share IP numbers with kasboeksoftware.nl.

Name Servers

The delegation for kasboeksoftware.nl is handled by three name servers: ns.zxcs.be, ns.zxcs.eu and ns.zxcs.nl.

kasboeksoftware.nl at least partially shares name servers with other domains, for instance blitsend.nl, tonerexpert.nl, hostingnss.com, graphia.nl and boschreurs.nl.

These name servers are commonly used with the name servers ns1.zxcs.nl.

Two IP numbers per host:

ns.zxcs.be points to 2a03:b0c0:3:d0::116:2001 and 46.101.179.64.

ns.zxcs.eu points to 2a03:b0c0:2:d0::57:1001 and 178.62.208.8.

ns.zxcs.nl points to 2a06:2ec0:1::10 and 185.104.28.19.

Mail Servers

kasboeksoftware.nl is handled by a single mail server, mail.kasboeksoftware.nl.

mail.kasboeksoftware.nl resolves to two IP numbers: 2a06:2ec0:1::153 and 185.104.29.142.

kasboeksoftware.nl - robtex.com