`sustainablebydefault.com`

DNSSEC	⚠️ Not signed
A	5.157.87.204^{🇳🇱 CLDIN-NL5.157.80.0/21}
		PTR	`redirect.yourhosting.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 2020-08-24 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777137991

Same first word

sustainablebydefault.nl

sustainablebydefault.com

DNS History

10 records (6 active, 4 former)

●NSns3.firstfind.nl2015-06-04 → 2026-04-25 · 2 obs

● 2015-06-04 23:32:32
● 2026-04-25 17:53:32

●NSns4.firstfind.nl2015-06-04 → 2026-04-25 · 2 obs

● 2015-06-04 23:32:32
● 2026-04-25 17:53:32

●NSns5.firstfind.net2015-06-04 → 2026-04-25 · 2 obs

● 2015-06-04 23:32:32
● 2026-04-25 17:53:32

●MXfallback.yourfilter.nl2026-04-10 → 2026-04-25 · 3 obs

○ 2017-10-22 12:32:58
● 2026-04-10 10:20:44
● 2026-04-25 17:53:32

○MXmx1.firstfind.nl2015-06-04 → 2017-10-22 · 4 obs

● 2015-06-04 23:32:32
● 2017-10-22 12:32:58
○ 2026-04-10 10:20:44
○ 2026-04-25 17:53:32

○MXmx2.firstfind.nl2015-06-04 → 2017-10-22 · 4 obs

● 2015-06-04 23:32:32
● 2017-10-22 12:32:58
○ 2026-04-10 10:20:44
○ 2026-04-25 17:53:32

●MXprimary.yourfilter.nl2026-04-10 → 2026-04-25 · 3 obs

○ 2017-10-22 12:32:58
● 2026-04-10 10:20:44
● 2026-04-25 17:53:32

○MXserver11.firstfind.nl2015-06-04 → 2017-10-22 · 4 obs

● 2015-06-04 23:32:32
● 2017-10-22 12:32:58
○ 2026-04-10 10:20:44
○ 2026-04-25 17:53:32

○A5.157.84.232015-06-04 → 2017-10-22 · 4 obs

● 2015-06-04 23:32:32
● 2017-10-22 12:32:58
○ 2026-04-10 10:20:44
○ 2026-04-25 17:53:32

●A5.157.87.2042026-04-10 → 2026-04-25 · 3 obs

○ 2017-10-22 12:32:58
● 2026-04-10 10:20:44
● 2026-04-25 17:53:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
sustainablebydefault.com	ns4.firstfind.nl, ns3.firstfind.nl, ns5.firstfind.net	-

✅ Authoritative Response

Server:5.157.87.222

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sustainablebydefault.com (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`5.157.87.204`
NS	3	`ns5.firstfind.net, ns4.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

sustainablebydefault.com points to IP number: 5.157.87.204.

Other host names such as femazone.com, boekhorst.com, caruba.de, allesvoortechniek.nl and lotro.nl share IPs with sustainablebydefault.com.

Name Servers

sustainablebydefault.com is delegated to three name servers: ns5.firstfind.net, ns3.firstfind.nl and ns4.firstfind.nl.

sustainablebydefault.com at least partially shares name servers with other domains, for instance infotrack.nl, jomical.com, evalley.eu, lentine.nl and parkmc.com.

Host ns5.firstfind.net points to 2a03:b0c0:2:d0::1183:f001 and 178.128.248.2; Host ns3.firstfind.nl points to 2a01:b940:1057::53 and 5.157.86.222; Host ns4.firstfind.nl points to 2a01:b940:1057::54 and 5.157.87.222.

Mail Servers

sustainablebydefault.com is handled by two mail servers: fallback.yourfilter.nl and primary.yourfilter.nl.

The mail server setup for sustainablebydefault.com matches that of other domains, for instance hoekveld-installaties.nl, tancho.nl, beautyrevolution.nl, keen.nl and eurep.nl.

sustainablebydefault.com shares at least partially some mail servers with other domains, including freena.nl, moosenco.com, wemeanbusiness.nl, kreadief.nl and frankearchitekten.nl.