`stienen.nu`

DNSSEC	⚠️ Not signed
A	5.157.84.156^{🇳🇱 CLDIN-NL5.157.80.0/21}
		PTR	`redirect.server41.firstfind.nl`
NS	`ns3.firstfind.nl` ⭐
		A	2a01:b940:1057::53^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`ns3.firstfind.nl`
		A	5.157.86.222^{🇳🇱 CLDIN-NL5.157.80.0/21}
			PTR	`ns3.firstfind.nl`
NS	`ns4.firstfind.nl`
		A	2a01:b940:1057::54^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
		A	5.157.87.222^{🇳🇱 CLDIN-NL5.157.80.0/21}
			PTR	`ns4.firstfind.nl`
NS	`ns5.firstfind.net`
		A	2a03:b0c0:2:d0::1183:f001^{🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean}
			PTR	`ns5.firstfind.net`
		A	178.128.248.2^{🇳🇱 DIGITALOCEAN178.128.240.0/20 DigitalOcean}
			PTR	`ns5.firstfind.net`
MX	`primary.yourfilter.nl` ⭐
		A	2a01:b941:2::23^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se23-yh.route25.eu`
		A	2a01:b941:2::24^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se22-yh.route25.eu`
		A	2a01:b941:2::25^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se21-yh.route25.eu`
		A	2a01:b941:2::26^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se20-yh.route25.eu`
		A	2a01:b941:2::27^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se19-yh.route25.eu`
		A	2a01:b941:2::28^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se18-yh.route25.eu`
		A	2a01:b941:2::29^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se17-yh.route25.eu`
		A	2a01:b941:2::30^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se16-yh.route25.eu`
		A	2a05:1500:702:9:1c00:2aff:fe00:5554^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se28-yh.route25.eu`
		A	2a05:1500:702:9:1c00:7fff:fe00:5556^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se30-yh.route25.eu`
		A	2a05:1500:702:9:1c00:a3ff:fe00:5558^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se26-yh.route25.eu`
		A	2a05:1500:702:9:1c00:a5ff:fe00:5553^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se27-yh.route25.eu`
		A	2a05:1500:702:9:1c00:f0ff:fe00:5555^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se29-yh.route25.eu`
		A	185.103.241.20^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se27-yh.route25.eu`
		A	185.103.241.21^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se28-yh.route25.eu`
		A	185.103.241.22^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se29-yh.route25.eu`
		A	185.103.241.23^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se30-yh.route25.eu`
		A	185.103.241.25^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se26-yh.route25.eu`
		A	185.223.33.23^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se23-yh.route25.eu`
		A	185.223.33.24^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se22-yh.route25.eu`
		A	185.223.33.27^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se19-yh.route25.eu`
		A	185.223.33.28^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se18-yh.route25.eu`
		A	185.223.33.29^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se17-yh.route25.eu`
		A	185.223.33.30^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se16-yh.route25.eu`
MX	`fallback.yourfilter.nl`⁽²⁰⁾
		A	2a01:b941:2::23^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se23-yh.route25.eu`
		A	2a01:b941:2::24^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se22-yh.route25.eu`
		A	2a01:b941:2::28^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se18-yh.route25.eu`
		A	2a01:b941:2::29^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se17-yh.route25.eu`
		A	2a01:b941:2::30^{🇳🇱 CLDIN-NL2a01:b940::/29 YOURHOSTING}
			PTR	`se16-yh.route25.eu`
		A	2a05:1500:702:9:1c00:7fff:fe00:5556^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se30-yh.route25.eu`
		A	2a05:1500:702:9:1c00:f0ff:fe00:5555^{🇳🇱 CLDIN-NL2a05:1500::/29}
			PTR	`se29-yh.route25.eu`
		A	185.103.241.22^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se29-yh.route25.eu`
		A	185.103.241.23^{🇳🇱 CLDIN-NL185.103.240.0/22}
			PTR	`se30-yh.route25.eu`
		A	185.223.33.23^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se23-yh.route25.eu`
		A	185.223.33.25^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se21-yh.route25.eu`
		A	185.223.33.26^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se20-yh.route25.eu`
		A	185.223.33.27^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se19-yh.route25.eu`
		A	185.223.33.30^{🇳🇱 CLDIN-NL185.223.32.0/22}
			PTR	`se16-yh.route25.eu`
TXT	`v=spf1 a mx include:_spf.yourfilter.nl -all`
SOA	`ns3.firstfind.nl`hostmaster@firstfind.nl 2020-09-21 #1

`nu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.nu` ⭐
	NS	`a.ns.nu`
	NS	`c.ns.nu`
	NS	`d.ns.nu`
	NS	`m.ns.nu`
	NS	`y.ns.nu`
	NS	`z.ns.nu`
	TXT	`NU zone update: 2026-07-17 08:55:36 +0000 (EPOCH 1784278536) (auto)`
	TXT	`id:9b683074-4503-48eb-961f-a6243b85e193`
	SOA	`catcher-in-the-rye.nic.nu`hostmaster@nic.nu serial=1784278592

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DNS History

10 records (6 active, 4 former)

●NSns3.firstfind.nl2015-05-30 → 2026-07-17 · 2 obs

● 2015-05-30 19:23:32
● 2026-07-17 09:44:36

●NSns4.firstfind.nl2015-05-30 → 2026-07-17 · 2 obs

● 2015-05-30 19:23:32
● 2026-07-17 09:44:36

●NSns5.firstfind.net2015-05-30 → 2026-07-17 · 2 obs

● 2015-05-30 19:23:32
● 2026-07-17 09:44:36

●MXfallback.yourfilter.nl2026-06-06 → 2026-07-17 · 3 obs

○ 2020-02-17 03:08:20
● 2026-06-06 04:06:18
● 2026-07-17 09:44:36

○MXmx1.firstfind.nl2015-05-30 → 2017-04-01 · 4 obs

● 2015-05-30 19:23:32
● 2017-04-01 14:57:28
○ 2020-02-17 03:08:20
○ 2026-07-17 09:44:36

○MXmx2.firstfind.nl2015-05-30 → 2017-04-01 · 4 obs

● 2015-05-30 19:23:32
● 2017-04-01 14:57:28
○ 2020-02-17 03:08:20
○ 2026-07-17 09:44:36

●MXprimary.yourfilter.nl2026-06-06 → 2026-07-17 · 3 obs

○ 2020-02-17 03:08:20
● 2026-06-06 04:06:18
● 2026-07-17 09:44:36

○MXserver41.firstfind.nl2015-05-30 → 2020-02-17 · 4 obs

● 2015-05-30 19:23:32
● 2020-02-17 03:08:20
○ 2026-06-06 04:06:18
○ 2026-07-17 09:44:36

●A5.157.84.1562020-02-17 → 2026-07-17 · 3 obs

○ 2017-04-01 14:57:28
● 2020-02-17 03:08:20
● 2026-07-17 09:44:36

○A85.158.203.2202015-05-30 → 2017-04-01 · 4 obs

● 2015-05-30 19:23:32
● 2017-04-01 14:57:28
○ 2020-02-17 03:08:20
○ 2026-07-17 09:44:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nu	a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...	-
stienen.nu	ns5.firstfind.net, ns4.firstfind.nl, ns3.firstfind.nl	-

✅ Authoritative Response

Server:178.128.248.2

NS records: ns5.firstfind.net, ns4.firstfind.nl, ns3.firstfind.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stienen.nu (unsigned zone)

⏱️ Timing

Total: 1102ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.157.84.156`
NS	3	`ns4.firstfind.nl, ns3.firstfind.nl...`
MX	2	`primary.yourfilter.nl (pri: 10), fallback.yourfilter.nl (pri: 20)`
TXT	1	`v=spf1 a mx include:_spf.yourfilter.nl -`
SOA	1	`ns3.firstfind.nl hostmaster.firstfind.nl`

Analysis

IP Addresses

stienen.nu resolves to just one IP address, 5.157.84.156.

Two other host names, along with medpad.nl, medpad.eu and delogopedist.com, also share IP numbers with stienen.nu.

Name Servers

stienen.nu is served by three name servers: ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl.

stienen.nu partially shares its NS delegation with several other domains, including swwl.nl, paulusegberts.nl, mooistetijdvanhetjaar.nl and two others.

The hostnames ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl each direct to two IP addresses — ns5.firstfind.net to 178.128.248.2 and 2a03:b0c0:2:d0::1183:f001, ns3.firstfind.nl to 5.157.86.222 and 2a01:b940:1057::53, and ns4.firstfind.nl to 5.157.87.222 and 2a01:b940:1057::54.

Mail Servers

stienen.nu is served by two mail servers, fallback.yourfilter.nl and primary.yourfilter.nl.

Among the domains sharing a mail server setup with stienen.nu are lweni.nl, psychotherapiepraktijk-oudevrielink.nl, lois-lane.nl and two others.

At least a portion of stienen.nu's mail servers are also used by other domains, for example dutch-umbrella-company.com.

DNS names with 24 IP addresses:

primary.yourfilter.nl maps to 185.103.241.20, 185.103.241.21, 185.103.241.22 and 21 additional IP addresses.

DNS names with 14 IP addresses:

fallback.yourfilter.nl maps to 185.103.241.22, 185.103.241.23, 185.223.33.23 and 11 additional IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a01:b941:2::23 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a01:b941:2::24 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a01:b941:2::28 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a01:b941:2::29 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a01:b941:2::30 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a05:1500:702:9:1c00:7fff:fe00:5556 IP addresses.

primary.yourfilter.nl and fallback.yourfilter.nl each have 2a05:1500:702:9:1c00:f0ff:fe00:5555 IP addresses.