`katwijk.eu`

DNSSEC	⚠️ Not signed
A	2a01:7c8:d002:354::1^{🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network}
		PTR	`d-hoogma1.host-ed.eu`
A	136.144.211.94^{🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands}
NS	`ns11.constellix.com` ⭐
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`
NS	`ns11.hoogmawebdesign.nl`
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`
NS	`ns12.hoogmawebdesign.com`
		A	2600:180b:2001::1^{🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network}
			PTR	`ns21.constellix.com`
		A	46.31.236.1^{🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24}
			PTR	`ns21.constellix.com`
NS	`ns13.hoogmawebdesign.eu`
		A	2600:180c:3001::1^{🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network}
			PTR	`ns31.constellix.com`
		A	43.247.170.1^{🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24}
			PTR	`ns31.constellix.com`
NS	`ns14.hoogmawebdesign.net` ⚠️ Not in parent delegation
		A	2600:180a:4001::1^{🇺🇸 Tiggee2600:180a:4001::/48 Constellix anycast network}
			PTR	`ns41.constellix.net`
		A	96.45.81.1^{🇺🇸 Tiggee96.45.81.0/24 route 96.45.81.0/24}
			PTR	`ns41.constellix.net`
NS	`ns15.hoogmawebdesign.nu` ⚠️ Not in parent delegation
		A	2600:180b:5001::1^{🇺🇸 Tiggee2600:180b:5001::/48 Constellix anycast network}
			PTR	`ns51.constellix.net`
		A	46.31.237.1^{🇺🇸 Tiggee46.31.237.0/24 route 46.31.237.0/24}
			PTR	`ns51.constellix.net`
NS	`ns16.hoogmawebdesign.info` ⚠️ Not in parent delegation
		A	2600:180c:6001::1^{🇺🇸 Tiggee2600:180c:6001::/48 Constellix anycast network}
			PTR	`ns61.constellix.net`
		A	43.247.171.1^{🇯🇵 Tiggee43.247.171.0/24 route 43.247.171.0/24}
			PTR	`ns61.constellix.net`
MX	`mailgw1.linqhost.net` ⭐
		A	2001:550:2:3::62:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
			PTR	`fe2-r2-in.la10.l.antispamcloud.com`
		A	149.13.75.27^{🇩🇪 AS16633149.13.75.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe1-r3-in.fra02.l.antispamcloud.com`
		A	154.59.104.23^{🇳🇱 COGENT154.59.104.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
MX	`mailgw2.linqhost.net`⁽²⁰⁾
		A	2001:550:2:61::2fc:100^{🇺🇸 COGENT2001:550::/32 Cogent Communications}
		A	2001:978:2:2c::137:100^{🇳🇱 COGENT2001:978::/32 C.C.D. Cogent Communications Deutschland GmbH}
			PTR	`fe2-r3-in.ams14.l.antispamcloud.com`
		A	154.59.193.124^{🇩🇪 AS16633154.59.193.0/24 Registered for Cogent Communications Customer - N-ABLE CLOUD GMBH}
			PTR	`fe3-r3-in.du01.l.antispamcloud.com`
TXT	`v=spf1 a mx include:_spf.linqhost.nl include:_spf.google.com ip4:136.144.211...`
SOA	`ns11.constellix.com`dns@constellix.com 2015-01-01 #3

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1122757504

Subdomains

mail.katwijk.eu

Same first word

katwijk.nl

katwijk.info

katwijk.be

katwijk.nu

katwijk.eu

katwijk.org

katwijk.tv

katwijk.de

katwijk.net

DNS History

17 records (11 active, 6 former)

○NSns.nlhosting.net2015-08-28 → 2017-09-03 · 4 obs

● 2015-08-28 02:24:04
● 2017-09-03 06:31:40
○ 2026-02-27 12:04:44
○ 2026-03-28 23:12:48

○NSns1.nlhosting.net2015-08-28 → 2017-09-03 · 4 obs

● 2015-08-28 02:24:04
● 2017-09-03 06:31:40
○ 2026-02-27 12:04:44
○ 2026-03-28 23:12:48

○NSns1.nlhosting.nl2026-02-27 → 2026-03-09 · 5 obs

○ 2017-09-03 06:31:40
● 2026-02-27 12:04:44
● 2026-03-09 11:19:38
○ 2026-03-28 23:12:46
○ 2026-03-28 23:12:48

●NSns11.constellix.com2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns11.hoogmawebdesign.nl2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns12.hoogmawebdesign.com2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns13.hoogmawebdesign.eu2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns14.hoogmawebdesign.net2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns15.hoogmawebdesign.nu2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●NSns16.hoogmawebdesign.info2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

○NSns2.nlhosting.nl2026-02-27 → 2026-03-09 · 5 obs

○ 2017-09-03 06:31:40
● 2026-02-27 12:04:44
● 2026-03-09 11:19:38
○ 2026-03-28 23:12:46
○ 2026-03-28 23:12:48

○MXmail.katwijk.eu2015-08-28 → 2026-03-09 · 4 obs

● 2015-08-28 02:24:04
● 2026-03-09 11:19:38
○ 2026-03-28 23:12:46
○ 2026-03-28 23:12:48

●MXmailgw1.linqhost.net2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●MXmailgw2.linqhost.net2026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

●A136.144.211.942026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

○A213.132.197.252015-08-28 → 2026-03-09 · 4 obs

● 2015-08-28 02:24:04
● 2026-03-09 11:19:38
○ 2026-03-28 23:12:46
○ 2026-03-28 23:12:48

●A2a01:7c8:d002:354::12026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-09 11:19:38
● 2026-03-28 23:12:46
● 2026-03-28 23:12:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
katwijk.eu	ns12.hoogmawebdesign.com, ns13.hoogmawebdesign.eu, ns11.hoogmawebdesign.nl	-

✅ Authoritative Response

Server:96.45.80.1

NS records: ns12.hoogmawebdesign.com, ns13.hoogmawebdesign.eu, ns11.hoogmawebdesign.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for katwijk.eu (unsigned zone)

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.144.211.94`
AAAA	1	`2a01:7c8:d002:354::1`
NS	12	`ns15.hoogmawebdesign.nu, ns16.hoogmawebdesign.info...`
MX	2	`mailgw1.linqhost.net (pri: 10), mailgw2.linqhost.net (pri: 20)`
TXT	1	`v=spf1 a mx include:_spf.linqhost.nl inc`
SOA	1	`ns11.constellix.com dns.constellix.com`

Analysis

Hierarchy

The parent of mail.katwijk.eu is katwijk.eu.

IP Addresses

katwijk.eu resolves to two IP numbers: 2a01:7c8:d002:354::1 and 136.144.211.94.

Other host names, for instance d-hoogma1.host-ed.eu, beveiligingassen.nl, mail.katwijk.eu, weekinweekuit.com and alleondernemersnoordholland.nl share IP numbers with katwijk.eu.

Name Servers

katwijk.eu is delegated to seven name servers: ns11.constellix.com, ns12.hoogmawebdesign.com, ns13.hoogmawebdesign.eu, ns16.hoogmawebdesign.info, ns14.hoogmawebdesign.net, ns11.hoogmawebdesign.nl and ns15.hoogmawebdesign.nu.

katwijk.eu partially shares name servers with other domains; examples include waterbyawakening.com, interaktiv.com.au, hfauw77sj.com, celebrities(0x6e756465)s.com and rrrbetl.com.

These name servers are commonly used with the name servers ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net and ns61.constellix.net.

Host names with two IPs

Host name ns11.constellix.com has two IPs: 2600:180a:1001::1 and 96.45.80.1.

Host name ns12.hoogmawebdesign.com has two IPs: 2600:180b:2001::1 and 46.31.236.1.

Host name ns13.hoogmawebdesign.eu has two IPs: 2600:180c:3001::1 and 43.247.170.1.

Host name ns16.hoogmawebdesign.info has two IPs: 2600:180c:6001::1 and 43.247.171.1.

Host name ns14.hoogmawebdesign.net has two IPs: 2600:180a:4001::1 and 96.45.81.1.

Host name ns11.hoogmawebdesign.nl has two IPs: 2600:180a:1001::1 and 96.45.80.1.

Host name ns15.hoogmawebdesign.nu has two IPs: 2600:180b:5001::1 and 46.31.237.1.

Host names that point to 2600:180a:1001::1: ns11.constellix.com and ns11.hoogmawebdesign.nl.

Host names that point to 96.45.80.1: ns11.constellix.com and ns11.hoogmawebdesign.nl.

Mail Servers

katwijk.eu is handled by two mail servers: mailgw1.linqhost.net and mailgw2.linqhost.net.

katwijk.eu has the same mail server setup as other domains, including ecos.nu, secusoft.pl, cs-riders.nl, hoogmawebdesign.info and evia.nl.

Host names with three IP numbers:

mailgw1.linqhost.net points to 2001:550:2:3::62:100, 149.13.75.27 and 154.59.104.23.

mailgw2.linqhost.net points to 2001:550:2:61::2fc:100, 2001:978:2:2c::137:100 and 154.59.193.124.

katwijk.eu - robtex.com

katwijk.eu

eu

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`katwijk.eu`

`eu`