`rontech.nl`

DNSSEC	⚠️ Not signed
A	109.71.54.21^{🇳🇱 UPCLOUD109.71.54.0/24 CLOUDPROVIDER}
		PTR	`ams110.yourwebhoster.com`
NS	`aria.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c044^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2044^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aria.ns.cloudflare.com`
		A	108.162.192.68^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	172.64.32.68^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
		A	173.245.58.68^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aria.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
MX	`rontech-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`MS=ms55725993`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`aria.ns.cloudflare.com`dns@cloudflare.com serial=2408881985

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-24 22:30:01 +0000 (EPOCH 1784932201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-24 #45

Same first word

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certhon.mx

DNS History

11 records (4 active, 7 former)

●NSaria.ns.cloudflare.com2026-06-11 → 2026-07-24 · 3 obs

○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

●NSseth.ns.cloudflare.com2026-06-11 → 2026-07-24 · 3 obs

○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

●MXrontech-nl.mail.protection.outlook.com2026-06-11 → 2026-07-24 · 3 obs

○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

○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
○ 2026-07-24 23:31:00

●A109.71.54.212026-06-11 → 2026-07-24 · 3 obs

○ 2017-12-04 09:17:18
● 2026-06-11 05:01:08
● 2026-07-24 23:31:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns4.dns.nl, ns3.dns.nl, ns1.dns.nl	-
rontech.nl	aria.ns.cloudflare.com, seth.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.68

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: 540ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.71.54.21`
NS	2	`aria.ns.cloudflare.com, seth.ns.cloudflare.com`
MX	1	`rontech-nl.mail.protection.outlook.com (`
TXT	2	`MS=ms55725993, v=spf1 include:spf.protection.outlook.co`
SOA	1	`aria.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rontech.nl points to a single IP number: 109.71.54.21.

Additional host names — karelmatla.nl, back9.nl, back9golf.nl and two others — share IP numbers with rontech.nl.

Name Servers

rontech.nl is delegated to two name servers: aria.ns.cloudflare.com and seth.ns.cloudflare.com.

rontech.nl shares its name server setup with other domains, including loanapproving.com, variva.nl, ronell.nl and two others.

At least some of rontech.nl's name servers are shared with other domains, for example britbetcorner.uk, warecourse.one, dharmapad.org and two more.

These name servers tend to be used in conjunction with the name servers igor.ns.cloudflare.com.

Host names with 6 IP numbers:

aria.ns.cloudflare.com resolves to 108.162.192.68, 172.64.32.68, 173.245.58.68 and 3 other IP addresses.

seth.ns.cloudflare.com resolves to 108.162.193.142, 172.64.33.142, 173.245.59.142 and 3 other IP addresses.

Mail Servers

rontech.nl has one mail server: rontech-nl.mail.protection.outlook.com.

rontech-nl.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.36, 52.101.68.39, 52.101.73.1 and 5 other.

rontech.nl - robtex.com

rontech.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`rontech.nl`

`nl`