kooijman.net - robtex.com

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kooijman.net

DNSSEC⚠️ Not signed
A2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing
PTRmail.hostingnameserver.biz
A83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing
NSns1.hostingnameserver.biz ⭐
A2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing
PTRmail.hostingnameserver.biz
A83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing
PTRmail.hostingnameserver.biz
NSns2.hostingnameserver.biz
A2a02:cec0:10:13d::2🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing
PTRmail.hostingnameserver.biz
A83.172.183.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing
PTRmail.hostingnameserver.biz
MXmail.vdgiesen.com ⭐
A2a02:cec0:10:13d::1🇳🇱 NEDZONE-AS2a02:cec0::/30 ISE routing
PTRmail.hostingnameserver.biz
A83.172.182.48🇳🇱 NEDZONE-AS83.172.180.0/22 ISE routing
PTRmail.hostingnameserver.biz
TXTv=spf1 a mx ip4:83.172.182.48 ip4:83.172.180.0/22 ip6:2a02:cec0:10:13d:0:0:0:...
SOAns1.hostingnameserver.bizhostmaster@vdgiesen.com 2026-02-15 #1

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786716549

Subdomains

mail.kooijman.net

Same first word

kooijman.nl
kooijman.info
kooijman.net
kooijman.be

Similar names

monikajo.com
okonjima.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns1.hostingnameserver.bizns2.hostingnameserver.bizns1.profhost.nlns2.profhost.nlMXmail.vdgiesen.commail-fallback.box.nlmail.kooijman.netA2a02:cec0:10:13d::183.172.182.48217.119.4.32
●NSns1.hostingnameserver.biz2026-02-23 → 2026-08-14 · 3 obs
○ 2026-02-15 18:54:30
● 2026-02-23 14:31:18
● 2026-08-14 14:23:20
○NSns1.profhost.nl2015-05-19 → 2026-02-15 · 4 obs
● 2015-05-19 20:51:50
● 2026-02-15 18:54:30
○ 2026-02-23 14:31:18
○ 2026-08-14 14:23:20
●NSns2.hostingnameserver.biz2026-02-23 → 2026-08-14 · 3 obs
○ 2026-02-15 18:54:30
● 2026-02-23 14:31:18
● 2026-08-14 14:23:20
○NSns2.profhost.nl2015-05-19 → 2026-02-15 · 4 obs
● 2015-05-19 20:51:50
● 2026-02-15 18:54:30
○ 2026-02-23 14:31:18
○ 2026-08-14 14:23:20
○MXmail-fallback.box.nl2015-05-19 → 2026-02-15 · 4 obs
● 2015-05-19 20:51:50
● 2026-02-15 18:54:30
○ 2026-02-23 14:31:18
○ 2026-08-14 14:23:20
○MXmail.kooijman.net2015-05-19 → 2026-02-15 · 4 obs
● 2015-05-19 20:51:50
● 2026-02-15 18:54:30
○ 2026-02-23 14:31:18
○ 2026-08-14 14:23:20
●MXmail.vdgiesen.com2026-02-23 → 2026-08-14 · 3 obs
○ 2026-02-15 18:54:30
● 2026-02-23 14:31:18
● 2026-08-14 14:23:20
○A217.119.4.322015-05-19 → 2026-02-15 · 4 obs
● 2015-05-19 20:51:50
● 2026-02-15 18:54:30
○ 2026-02-23 14:31:18
○ 2026-08-14 14:23:20
●A2a02:cec0:10:13d::12026-02-23 → 2026-08-14 · 3 obs
○ 2026-02-15 18:54:30
● 2026-02-23 14:31:18
● 2026-08-14 14:23:20
●A83.172.182.482026-02-23 → 2026-08-14 · 3 obs
○ 2026-02-15 18:54:30
● 2026-02-23 14:31:18
● 2026-08-14 14:23:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
kooijman.netns1.hostingnameserver.biz, ns2.hostingnameserver.biz-

✅ Authoritative Response

Server:83.172.183.48

NS records: ns1.hostingnameserver.biz, ns2.hostingnameserver.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kooijman.net (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

TypeCountSample Data
A183.172.182.48
AAAA12a02:cec0:10:13d::1
NS2ns1.hostingnameserver.biz, ns2.hostingnameserver.biz
MX1mail.vdgiesen.com (pri: 10)
TXT1v=spf1 a mx ip4:83.172.182.48 ip4:83.172
SOA1ns1.hostingnameserver.biz hostmaster.vdg

Analysis

Hierarchy

mail.kooijman.net is delegated beneath kooijman.net.

IP Addresses

kooijman.net has two IP addresses: 83.172.182.48 and 2a02:cec0:10:13d::1

Additional host names — vsms.nl, liefkado.nl, mail.allinwebsite.nl and two others — share IP numbers with kooijman.net.

Name Servers

kooijman.net is served by two delegated name servers, ns1.hostingnameserver.biz and ns2.hostingnameserver.biz.

kooijman.net shares its name server setup with other domains, including groeneweg.net, profhost.me, vanduin.com and two others.

Some name servers delegated to kooijman.net are also used by other domains, notably vandenheuvel.it and dvdheuvel.com.

These name servers frequently co-occur with the name servers ns01.dvdheuvel.com and ns02.dvdheuvel.com.

Each of the two host names carries two IP addresses: ns1.hostingnameserver.biz points to 83.172.182.48 and 2a02:cec0:10:13d::1, and ns2.hostingnameserver.biz points to 83.172.183.48 and 2a02:cec0:10:13d::2.

Mail Servers

kooijman.net has one mail server: mail.vdgiesen.com.

kooijman.net shares the same mail server setup as other domains, including bravenboer.com, janse.net, dejonge.net and two others.

mail.vdgiesen.com carries two IP numbers: 83.172.182.48 and 2a02:cec0:10:13d::1.