rontech.nl - dns.ninja

rontech.nl

DNSSEC⚠️ Not signed
A109.71.54.21🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER
PTRams110.yourwebhoster.com
NSaria.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A2803:f800:50::6ca2:c044🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaria.ns.cloudflare.com
A2a06:98c1:50::ac40:2044🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaria.ns.cloudflare.com
A108.162.192.68🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A172.64.32.68🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
A173.245.58.68🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaria.ns.cloudflare.com
NSseth.ns.cloudflare.com
A2606:4700:58::adf5:3b8e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A2803:f800:50::6ca2:c18e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRseth.ns.cloudflare.com
A2a06:98c1:50::ac40:218e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRseth.ns.cloudflare.com
A108.162.193.142🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A172.64.33.142🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
A173.245.59.142🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseth.ns.cloudflare.com
MXrontech-nl.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca09::🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am3pr04cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca09::b🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.8🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du0pr03cu00100.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.68.39🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00607.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
TXTMS=ms55725993
TXTv=spf1 include:spf.protection.outlook.com -all
SOAaria.ns.cloudflare.comdns@cloudflare.com serial=2406878775

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-06-21 03:30:01 +0000 (EPOCH 1782012601)
SOAns1.dns.nldns@sidn.nl 2026-06-21 #7

Same first word

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nortech.sg
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rtechno.com
chorten.pl
nortech.com.cn
chorten.info
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chetron.com
chornet.net
thecron.net
cherton.com
onrtech.com
hectron.com
northec.com
technor.cz
nortech.gr
chorten.fr
techron.co
technor.dk
certhon.mx

DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026NSaria.ns.cloudflare.comseth.ns.cloudflare.comns3.firstfind.nlns4.firstfind.nlns5.firstfind.netMXrontech-nl.mail.protection.outlook.commx1.firstfind.nlmx2.firstfind.nlserver40.firstfind.nlA109.71.54.21109.235.74.158
●NSaria.ns.cloudflare.com2026-06-11 → 2026-06-21 · 3 obs
○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-06-21 03:52:28
○NSns3.firstfind.nl2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
○NSns4.firstfind.nl2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
○NSns5.firstfind.net2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
●NSseth.ns.cloudflare.com2026-06-11 → 2026-06-21 · 3 obs
○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-06-21 03:52:28
○MXmx1.firstfind.nl2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
○MXmx2.firstfind.nl2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
●MXrontech-nl.mail.protection.outlook.com2026-06-11 → 2026-06-21 · 3 obs
○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-06-21 03:52:28
○MXserver40.firstfind.nl2015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
○A109.235.74.1582015-07-11 → 2017-12-04 · 4 obs
● 2015-07-11 23:09:56
● 2017-12-04 09:17:18
○ 2026-06-11 05:01:08
○ 2026-06-21 03:52:28
●A109.71.54.212026-06-11 → 2026-06-21 · 3 obs
○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-06-21 03:52:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
rontech.nlaria.ns.cloudflare.com, seth.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.142

NS records: aria.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rontech.nl (unsigned zone)

⏱️ Timing

Total: 209ms | Queries: -

📄 Records

TypeCountSample Data
A1109.71.54.21
NS2aria.ns.cloudflare.com, seth.ns.cloudflare.com
MX1rontech-nl.mail.protection.outlook.com (
TXT2MS=ms55725993, v=spf1 include:spf.protection.outlook.co
SOA1aria.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

rontech.nl has exactly one IP address — 109.71.54.21.

karelmatla.nl, back9.nl, back9golf.nl plus two other host names have IP numbers in common with rontech.nl.

Name Servers

Two name servers handle the delegation for rontech.nl: aria.ns.cloudflare.com and seth.ns.cloudflare.com.

The name server configuration of rontech.nl is shared with other domains, for instance loanapproving.com, variva.nl, ronell.nl and two others.

rontech.nl has at least partial name server overlap with other domains, such as warecourse.one, dharmapad.org, themarineiot.com and two others.

It is common to find these name servers paired with the name servers igor.ns.cloudflare.com.

Hosts with 6 IP addresses each:

aria.ns.cloudflare.com resolves to 108.162.192.68, 172.64.32.68 and 173.245.58.68 among others, with 3 other IP addresses in total.

seth.ns.cloudflare.com resolves to 108.162.193.142, 172.64.33.142 and 173.245.59.142 among others, with 3 other IP addresses in total.

Mail Servers

rontech.nl uses one mail server — rontech-nl.mail.protection.outlook.com.

rontech-nl.mail.protection.outlook.com has 8 IP addresses: 52.101.68.8, 52.101.68.25, 52.101.68.39 plus 5 more.