`andersstuderen.nl`

DNSSEC	⚠️ Not signed
A	132.229.92.35^{🇳🇱 SURFNET-NL132.229.0.0/16 RUL-NL}
		PTR	`abpp2027.nl`
		PTR	`expeditie-stadsnatuur-leiden.nl`
		PTR	`femicide.nl`
		PTR	`libraryunlocked.nl`
		PTR	`rekeneninleiden.nl`
		PTR	`studiumgeneraleleiden.nl`
		PTR	`uscleiden.nl`
		PTR	`chembiotalks.org`
		PTR	`led3.org`
		PTR	`dutchrevolt.leiden.edu`
		PTR	`fgga.leiden.edu`
		PTR	`fgga.leidenuniv.nl`
		PTR	`hortus.leidenuniv.nl`
		PTR	`ibl.leidenuniv.nl`
		PTR	`plexus.leidenuniv.nl`
		PTR	`sbb.leidenuniv.nl`
		PTR	`science.leidenuniv.nl`
		PTR	`www.leidenuniversity.nl`
		PTR	`www.rijksuniversiteitleiden.nl`
		PTR	`www.uleiden.nl`
		PTR	`rewriteservice.universiteitleiden.nl`
		PTR	`p-issc-019422.infra.leidenuniv.nl`
		PTR	`lcds.science.leidenuniv.nl`
		PTR	`www.umail.leidenuniv.nl`
NS	`arachne.leidenuniv.nl` ⭐
		A	172.22.101.10^{UNSPECIFIED160.0.0.0/3}
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	`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`
		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}
SOA	`arachne.leidenuniv.nl`postmaster@leidenuniv.nl serial=5689

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-05-09 04:00:01 +0000 (EPOCH 1778299201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-05-09 #8

Same first word

andersstuderen.nl

DNS History

11 records (5 active, 6 former)

●NSarachne.leidenuniv.nl2026-03-21 → 2026-05-09 · 3 obs

○ 2020-01-02 21:32:18
● 2026-03-21 17:31:14
● 2026-05-09 04:48:40

○NSindigo.leidenuniv.nl2016-06-20 → 2020-01-02 · 5 obs

○ 2016-02-29 21:19:44
● 2016-06-20 02:14:44
● 2020-01-02 21:32:18
○ 2026-03-21 17:31:14
○ 2026-05-09 04:48:40

●NSns1.surfnet.nl2026-03-21 → 2026-05-09 · 3 obs

○ 2020-01-02 21:32:18
● 2026-03-21 17:31:14
● 2026-05-09 04:48:40

●NSns2.surfnet.nl2026-03-21 → 2026-05-09 · 3 obs

○ 2020-01-02 21:32:18
● 2026-03-21 17:31:14
● 2026-05-09 04:48:40

●NSns3.surfnet.nl2026-03-21 → 2026-05-09 · 3 obs

○ 2020-01-02 21:32:18
● 2026-03-21 17:31:14
● 2026-05-09 04:48:40

○NSsherlock.leidenuniv.nl2015-08-02 → 2016-02-29 · 4 obs

● 2015-08-02 11:29:00
● 2016-02-29 21:19:44
○ 2016-06-20 02:14:44
○ 2026-05-09 04:48:40

○NSviolet.leidenuniv.nl2016-06-20 → 2020-01-02 · 5 obs

○ 2016-02-29 21:19:44
● 2016-06-20 02:14:44
● 2020-01-02 21:32:18
○ 2026-03-21 17:31:14
○ 2026-05-09 04:48:40

○NSwatson.leidenuniv.nl2015-08-02 → 2016-02-29 · 4 obs

● 2015-08-02 11:29:00
● 2016-02-29 21:19:44
○ 2016-06-20 02:14:44
○ 2026-05-09 04:48:40

○A132.229.13.1932016-02-29 → 2020-01-02 · 5 obs

○ 2015-11-25 18:17:54
● 2016-02-29 21:19:44
● 2020-01-02 21:32:18
○ 2026-03-21 17:31:14
○ 2026-05-09 04:48:40

○A132.229.5.302015-08-02 → 2015-11-25 · 4 obs

● 2015-08-02 11:29:00
● 2015-11-25 18:17:54
○ 2016-02-29 21:19:44
○ 2026-05-09 04:48:40

●A132.229.92.352026-03-21 → 2026-05-09 · 3 obs

○ 2020-01-02 21:32:18
● 2026-03-21 17:31:14
● 2026-05-09 04:48:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns4.dns.nl, ns3.dns.nl	-
andersstuderen.nl	ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl	6 records

✅ Authoritative Response

Server:195.169.124.71

NS records: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 486ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`132.229.92.35`
NS	3	`ns3.surfnet.nl, ns1.surfnet.nl...`
SOA	1	`arachne.leidenuniv.nl postmaster.leidenu`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.surfnet.nl, ns1.surfnet.nl, ns2.surfnet.nl...)

Analysis

IP Addresses

andersstuderen.nl points to a single IP address: 132.229.92.35.

Other host names such as gorlaeusbuilding.com, carelstolker.nl, p-issc-019422.infra.leidenuniv.nl, luris.leidenuniv.nl and lacdr.leidenuniv.nl share IPs with andersstuderen.nl.

Name Servers

andersstuderen.nl is delegated to four name servers: arachne.leidenuniv.nl, ns1.surfnet.nl, ns2.surfnet.nl and ns3.surfnet.nl.

andersstuderen.nl at least partially shares name servers with other domains, for example juridischehogeschool.nl, eduroam.hsleiden.nl, glr.nl, 127.145.in-addr.arpa and lofar.nl.

Name servers ns1.zurich.surf.net, ns6.eur.nl, ns1.saxion.nl, ns2.saxion.nl, umcdns03.azn.nl, ns2.maastrichtuniversity.eu and ns1.maastrichtuniversity.nl are commonly used together.

Host names with two IP numbers:

ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.

ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2.

ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71.

Host names with one IP number:

arachne.leidenuniv.nl points to 172.22.101.10.

andersstuderen.nl - robtex.com