`kringloopwijzer.com`

DNSSEC	⚠️ Not signed
NS	`ns-ext-01.wur.nl` ⭐
		A	2001:610:a38:4302::229^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
		A	137.224.210.229^{🇳🇱 SURFNET-NL137.224.0.0/16 WAU-NET}
			PTR	`ns-ext-01.wur.nl`
NS	`ns1.surfnet.nl`
		A	2001:610:1:800a:192:87:106:101^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns1.surfnet.nl`
		A	192.87.106.101^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns1.surfnet.nl`
NS	`ns1.zurich.surf.net`
		A	2001:620:0:9::1103^{🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network}
			PTR	`ns1.zurich.surf.net`
		A	195.176.255.9^{🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102}
			PTR	`ns1.zurich.surf.net`
SOA	`ns-ext-01.wur.nl`hostmaster@kringloopwijzer.com 2022-01-13 #6

`com`

	DNSSEC	⚠️ Not signed
	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=1774757667

Same first word

kringloopwijzer.be

kringloopwijzer.com

DNS History

6 records (3 active, 3 former)

●NSns-ext-01.wur.nl2026-03-16 → 2026-03-29 · 3 obs

○ 2020-01-18 16:12:44
● 2026-03-16 06:51:34
● 2026-03-29 04:31:14

●NSns1.surfnet.nl2017-02-16 → 2026-03-29 · 3 obs

○ 2015-07-18 00:37:24
● 2017-02-16 02:14:38
● 2026-03-29 04:31:14

○NSns1.wur.nl2015-07-18 → 2020-01-18 · 4 obs

● 2015-07-18 00:37:24
● 2020-01-18 16:12:44
○ 2026-03-16 06:51:34
○ 2026-03-29 04:31:14

●NSns1.zurich.surf.net2017-02-16 → 2026-03-29 · 3 obs

○ 2015-07-18 00:37:24
● 2017-02-16 02:14:38
● 2026-03-29 04:31:14

○NSns2.wur.nl2015-07-18 → 2020-01-18 · 4 obs

● 2015-07-18 00:37:24
● 2020-01-18 16:12:44
○ 2026-03-16 06:51:34
○ 2026-03-29 04:31:14

○NSns3.wur.nl2020-01-18 → 2020-01-18 · 4 obs

○ 2017-02-16 02:14:38
● 2020-01-18 16:12:44
○ 2026-03-16 06:51:34
○ 2026-03-29 04:31:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kringloopwijzer.com	ns1.surfnet.nl, ns1.zurich.surf.net, ns-ext-01.wur.nl	-

✅ Authoritative Response

Server:192.87.106.101

NS records: ns1.surfnet.nl, ns1.zurich.surf.net, ns-ext-01.wur.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kringloopwijzer.com (unsigned zone)

⏱️ Timing

Total: 4524ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.zurich.surf.net, ns-ext-01.wur.nl...`
SOA	1	`ns-ext-01.wur.nl hostmaster.kringloopwij`

Analysis

Name Servers

kringloopwijzer.com is delegated to three name servers ns1.surfnet.nl, ns-ext-01.wur.nl and ns1.zurich.surf.net.

kringloopwijzer.com at least partially shares name servers with other domains, for instance heyendael.nl, ebiebapp.nl, 86.116.145.in-addr.arpa, traumacentrumwest.nl and nleuropass.nl.

these name servers are commonly used with ns2.surfnet.nl, ns3.surfnet.nl, umcdns03.azn.nl, ns1-konbib.kb.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl, gm.maastrichtuniversity.nl, ns6.eur.nl, arachne.leidenuniv.nl and ns0.socialhistoryservices.org.

Host names with two IP numbers:

ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101; ns-ext-01.wur.nl points to 2001:610:a38:4302::229 and 137.224.210.229; ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9.

kringloopwijzer.com - robtex.com