`wisebits-academy.nl`

DNSSEC	⚠️ Not signed
A	132.229.92.35^{🇳🇱 SURFNET-NL132.229.0.0/16 RUL-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=2219

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-29 18:00:01 +0000 (EPOCH 1777485601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-29 #36

PTR for

30.5.229.132.in-addr.arpa

Same first word

wisebits-academy.nl

DNS History

11 records (5 active, 6 former)

●NSarachne.leidenuniv.nl2026-03-21 → 2026-04-29 · 3 obs

○ 2016-12-04 08:30:10
● 2026-03-21 17:31:16
● 2026-04-29 18:35:58

○NSindigo.leidenuniv.nl2016-07-08 → 2016-12-04 · 5 obs

○ 2015-12-12 11:40:02
● 2016-07-08 03:52:16
● 2016-12-04 08:30:10
○ 2026-03-21 17:31:16
○ 2026-04-29 18:35:58

●NSns1.surfnet.nl2026-03-21 → 2026-04-29 · 3 obs

○ 2016-12-04 08:30:10
● 2026-03-21 17:31:16
● 2026-04-29 18:35:58

●NSns2.surfnet.nl2026-03-21 → 2026-04-29 · 3 obs

○ 2016-12-04 08:30:10
● 2026-03-21 17:31:16
● 2026-04-29 18:35:58

●NSns3.surfnet.nl2026-03-21 → 2026-04-29 · 3 obs

○ 2016-12-04 08:30:10
● 2026-03-21 17:31:16
● 2026-04-29 18:35:58

○NSsherlock.leidenuniv.nl2015-05-05 → 2015-12-12 · 4 obs

● 2015-05-05 19:14:30
● 2015-12-12 11:40:02
○ 2016-07-08 03:52:16
○ 2026-04-29 18:35:58

○NSviolet.leidenuniv.nl2016-07-08 → 2016-12-04 · 5 obs

○ 2015-12-12 11:40:02
● 2016-07-08 03:52:16
● 2016-12-04 08:30:10
○ 2026-03-21 17:31:16
○ 2026-04-29 18:35:58

○NSwatson.leidenuniv.nl2015-05-05 → 2015-12-12 · 4 obs

● 2015-05-05 19:14:30
● 2015-12-12 11:40:02
○ 2016-07-08 03:52:16
○ 2026-04-29 18:35:58

○A132.229.13.1932015-12-12 → 2016-12-04 · 5 obs

○ 2015-10-10 23:41:06
● 2015-12-12 11:40:02
● 2016-12-04 08:30:10
○ 2026-03-21 17:31:16
○ 2026-04-29 18:35:58

○A132.229.5.302015-05-05 → 2015-10-10 · 4 obs

● 2015-05-05 19:14:30
● 2015-10-10 23:41:06
○ 2015-12-12 11:40:02
○ 2026-04-29 18:35:58

●A132.229.92.352026-03-21 → 2026-04-29 · 3 obs

○ 2016-12-04 08:30:10
● 2026-03-21 17:31:16
● 2026-04-29 18:35:58

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:192.87.106.101

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: 450ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`132.229.92.35`
NS	3	`ns1.surfnet.nl, ns3.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

wisebits-academy.nl points to a single IP: 132.229.92.35.

Other host names, for instance leidenscience.com, cwts.leidenuniv.nl, leidenalumni.nl, antibioticagezocht.nl and leidenuniv.eu share IP numbers with wisebits-academy.nl.

Name Servers

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

wisebits-academy.nl at least partially shares its name servers with other domains, for instance arcuscollege.nl, hadrianus.it, bibliotheeknetwerk.nl, nias.nl and phenoflow.org.