bertkooij.nl - robtex.com

bertkooij.nl

DNSSEC⚠️ Not signed
A2a06:2ec0:1::97🇳🇱 AS-ZXCS2a06:2ec0::/32
PTRweb0097.zxcs.nl
A185.104.29.40🇳🇱 AS-ZXCS185.104.29.0/24
NSns1.digitalocean.com
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns1.beko.design
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.beko.design
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.beko.design
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXmxa.eu.mailgun.org
A34.111.130.244🇺🇸 Google34.108.0.0/14
PTR244.130.111.34.bc.googleusercontent.com
MXmxb.eu.mailgun.org
A34.111.130.244🇺🇸 Google34.108.0.0/14
PTR244.130.111.34.bc.googleusercontent.com
TXTv=spf1 a mx include:eu.mailgun.org ip4:185.104.29.0/24 ip4:185.104.29.40 ip6:...
SOAns1.digitalocean.comhostmaster@bertkooij.nl serial=0

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-28 05:00:01 +0000 (EPOCH 1785214801)
SOAns1.dns.nldns@sidn.nl 2026-07-28 #10

Same first word

Similar names

DNS History

11 records (8 active, 3 former)

20192020202120222023202420252026NSns1.beko.designns1.digitalocean.comns2.beko.designns3.beko.designnszero1.axc.nlnszero2.axc.nlMXmxa.eu.mailgun.orgmxb.eu.mailgun.orgmailA185.104.29.402a06:2ec0:1::97
NSns1.beko.design2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
NSns1.digitalocean.com2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
NSns2.beko.design2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
NSns3.beko.design2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
NSnszero1.axc.nl2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 14:50:56
○ 2026-05-28 06:51:04
○ 2026-07-28 05:42:08
NSnszero2.axc.nl2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 14:50:56
○ 2026-05-28 06:51:04
○ 2026-07-28 05:42:08
MXmail2018-08-16 → 2018-08-16 · 3 obs
● 2018-08-16 14:50:56
○ 2026-05-28 06:51:04
○ 2026-07-28 05:42:08
MXmxa.eu.mailgun.org2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
MXmxb.eu.mailgun.org2026-05-28 → 2026-07-28 · 3 obs
○ 2018-08-16 14:50:56
● 2026-05-28 06:51:04
● 2026-07-28 05:42:08
A185.104.29.402018-08-16 → 2026-07-28 · 2 obs
● 2018-08-16 14:50:56
● 2026-07-28 05:42:08
A2a06:2ec0:1::972018-08-16 → 2026-07-28 · 2 obs
● 2018-08-16 14:50:56
● 2026-07-28 05:42:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
bertkooij.nlns1.beko.design, ns2.beko.design, ns3.beko.design-

✅ Authoritative Response

Server:172.64.53.21

NS records: ns1.beko.design, ns2.beko.design, ns3.beko.design

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bertkooij.nl (unsigned zone)

⏱️ Timing

Total: 2052ms | Queries: -

📄 Records

TypeCountSample Data
A1185.104.29.40
AAAA12a06:2ec0:1::97
NS3ns1.beko.design, ns2.beko.design...
MX2mxb.eu.mailgun.org (pri: 10), mxa.eu.mailgun.org (pri: 10)
TXT1v=spf1 a mx include:eu.mailgun.org ip4:1
SOA1ns1.digitalocean.com hostmaster.bertkooi

Analysis

IP Addresses

bertkooij.nl resolves to the IP addresses 185.104.29.40 and 2a06:2ec0:1::97

Additional host names — securebloxx.eu, dsrioolservice.nl, mail.americankitchen.nl and two others — share IP numbers with bertkooij.nl.

Name Servers

bertkooij.nl has four authoritative name servers: ns1.digitalocean.com, ns1.beko.design, ns2.beko.design and ns3.beko.design.

bertkooij.nl has at least partial name server overlap with other domains, such as jeremiahrose.com, thehespot.com, 4gh.solutions and two others.

These name servers tend to appear together with the name servers ns2.digitalocean.com, ns3.digitalocean.com and ns2beko.design.

ns1.digitalocean.com and ns1.beko.design both resolve to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.beko.design resolves to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.beko.design resolves to 172.64.49.209 and 2606:4700:52::ac40:31d1.

The host names ns1.digitalocean.com and ns1.beko.design both resolve to 2606:4700:52::ac40:34d2 IP addresses.

The host names ns1.digitalocean.com and ns1.beko.design both resolve to 172.64.52.210 IP addresses.

Mail Servers

bertkooij.nl has two mail servers: mxa.eu.mailgun.org and mxb.eu.mailgun.org.

bertkooij.nl shares the same mail server setup as other domains, including marcuswelbyclinic.click, osa-app.com, lovematters.nl and two others.

bertkooij.nl shares mail servers — at least in part — with other domains, including germanhostelworld.com, productosherbalonline.com, partnerinsight.io and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 4 other.

mxa.eu.mailgun.org and mxb.eu.mailgun.org each point to one IP address — 34.111.130.244.

The host names mxa.eu.mailgun.org and mxb.eu.mailgun.org both resolve to 34.111.130.244 IP addresses.