`persistent-identifier.nl`

DNSSEC	⚠️ Not signed
A	135.181.133.226^{🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC}
		PTR	`kameel.vh.seecr.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.suf.net` ⚠️ Not in zone NS records
		A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
		A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies}
		A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies}
			PTR	`66-175-209-179.ip.linodeusercontent.com`
		A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies}
			PTR	`96-126-111-165.ip.linodeusercontent.com`
NS	`ns1.zurich.surf.net` ⚠️ Not in parent delegation
		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`
NS	`ns2.surfnet.nl`
		A	2001:610:3:200a:192:87:36:2^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns2.surfnet.nl`
		A	192.87.36.2^{🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV}
			PTR	`ns2.surfnet.nl`
NS	`ns3.surfnet.nl` ⚠️ Not in parent delegation
		A	2001:610:0:800c:195:169:124:71^{🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block}
			PTR	`ns3.surfnet.nl`
		A	195.169.124.71^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
MX	`mx1.surfmailfilter.nl`⁽⁹⁹⁹⁾
MX	`mx2.surfmailfilter.nl`⁽⁹⁹⁹⁾
TXT	`HARICA-B83hjICvGa6Mv7knmy2`
SOA	`ns1.surfnet.nl`dns-beheer@surf.nl 2025-10-23 #2

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-03-25 01:00:01 +0000 (EPOCH 1774400401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-03-25 #2

WOT: UNKNOWN (60/100)

Same first word

persistent-identifier.de

persistent-identifier.nl

DNS History

12 records (8 active, 4 former)

●NSns1.surfnet.nl2018-01-06 → 2026-03-25 · 3 obs

○ 2017-01-18 07:14:06
● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

●NSns1.zurich.suf.net2026-02-17 → 2026-03-25 · 3 obs

○ 2018-01-06 08:17:00
● 2026-02-17 02:54:34
● 2026-03-25 01:30:22

●NSns1.zurich.surf.net2018-01-06 → 2026-03-25 · 3 obs

○ 2017-01-18 07:14:06
● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

○NSns11.knaw.nl2015-07-25 → 2017-01-18 · 4 obs

● 2015-07-25 21:09:18
● 2017-01-18 07:14:06
○ 2018-01-06 08:17:00
○ 2026-03-25 01:30:22

○NSns2.knaw.nl2015-07-25 → 2017-01-18 · 4 obs

● 2015-07-25 21:09:18
● 2017-01-18 07:14:06
○ 2018-01-06 08:17:00
○ 2026-03-25 01:30:22

●NSns2.surfnet.nl2018-01-06 → 2026-03-25 · 3 obs

○ 2017-01-18 07:14:06
● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

●NSns3.surfnet.nl2018-01-06 → 2026-03-25 · 3 obs

○ 2017-01-18 07:14:06
● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

●MXmx1.surfmailfilter.nl2018-01-06 → 2026-03-25 · 2 obs

● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

●MXmx2.surfmailfilter.nl2018-01-06 → 2026-03-25 · 2 obs

● 2018-01-06 08:17:00
● 2026-03-25 01:30:22

●A135.181.133.2262026-02-17 → 2026-03-25 · 3 obs

○ 2018-01-06 08:17:00
● 2026-02-17 02:54:34
● 2026-03-25 01:30:22

○A194.171.119.1162015-11-22 → 2018-01-06 · 5 obs

○ 2015-07-25 21:09:18
● 2015-11-22 12:50:56
● 2018-01-06 08:17:00
○ 2026-02-17 02:54:34
○ 2026-03-25 01:30:22

○A194.171.144.262015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 21:09:18
○ 2015-11-22 12:50:56
○ 2026-03-25 01:30:22

🔍 DNS Trace

Analysis

IP Addresses

persistent-identifier.nl resolves to one IP number: 135.181.133.226.

Other host names, for instance kameel.vh.seecr.nl, share IP numbers with persistent-identifier.nl.

Name Servers

persistent-identifier.nl is delegated to five name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.suf.net and ns1.zurich.surf.net.

persistent-identifier.nl at least partially shares name servers with other domains, for instance universiteitmaastricht.nl, rijc.nl, av-m.nl, hdk.nl and edu.nl.