`backbone.vu.nl`

DNSSEC	⚠️ Not signed
NS	`new-ns1.vu.nl` ⭐ ⚠️ Not in parent delegation
		A	130.37.164.20^{🇳🇱 SURFNET-NL130.37.0.0/16 VU-NET}
			PTR	`new-ns1.vu.nl`
NS	`new-ns2.vu.nl` ⚠️ Not in parent delegation
		A	130.37.164.22^{🇳🇱 SURFNET-NL130.37.0.0/16 VU-NET}
			PTR	`new-ns2.vu.nl`
SOA	`new-ns1.vu.nl`hostmaster@vu.nl serial=202408121

`vu.nl`

	DNSSEC	⚠️ Not signed
	A	52.232.69.102^{🇳🇱 Microsoft52.224.0.0/11 MICROSOFT}
	NS	`new-ns1.vu.nl` ⭐
	NS	`new-ns2.vu.nl`
	MX	`vu-nl.mail.protection.outlook.com` ⭐
	TXT	`MS=ms33278211`
	TXT	`Address: De Boelelaan 1105, 1081 HV Amsterdam`
	TXT	`successfactors-site-verification=NDVmYTkwNzVjMjQ3NDgwYTRiNTZiYjM4YWY0MjUwNjE4...`
	TXT	`ZOOM_verify_gOlFjB0bTXauhCZZfZ0SZA`
	TXT	`bw=JD9O8B5T3N8rye1GFjQP5tlEtsH7SuVOiTWPxSNk67Kr`
	TXT	`HARICA-2AQWWJAqj5VSqkz0rOX`
	TXT	`MS=ms11195063`
	TXT	`google-site-verification=5wBwCtzHALiL0eFj_8LfcLtC9A0pwqF8ChcfKHGWeUg`
	TXT	`935e51b8-957b-486c-bca0-52db87534023`
	TXT	`HO5Hae8DJUssBXMJPxF8SuoTVyO4suOdM/31NLC0WwA=`
	TXT	`apple-domain-verification=CQxBk5H2cH0MlovF`
	TXT	`v=spf1 include:_spf.vu.nl include:spf.protection.outlook.com include:_spf.x-...`
	TXT	`jamf-site-verification=mTKqAuu3KFc2rfzUgyBWng`
	TXT	`B8RKMH5ZV1ICEXRNIUXA04C1D4UXWARTPQE3T8PTL`
	TXT	`Phone: +31 20 5985385`
	TXT	`facebook-domain-verification=z5lo4vme7tj7rz0rkrjeyw3ficdkrt`
	TXT	`atlassian-domain-verification=4DKZByaje8L/OfqPKIBr9eFCxXWL7x17aQeSAH5OE0dv32q...`
	TXT	`Vrije Universiteit Amsterdam`
	TXT	`cEePUaAdUpgbDwN8y+iChaM5q/fmwZ98byweLOwQQTzlfZ7ZqiRmUZy9plWcraR+SpUS7soZ99Jhn...`
	SOA	`new-ns1.vu.nl`hostmaster@vu.nl serial=2024246400

WOT: UNKNOWN (90/100)
rank #2841 globally
rank #13 in the tld
This domain "vu.nl" belongs to Vrije Universiteit Amsterdam, a university in The Netherlands. The abbreviation "VU" is derived from the Dutch name of the university, which translates to "Free University". The ".nl" signifies that this is a Dutch domain.WOT: SAFE (90/100)
📈 Tranco rank: #7,678

Same first word

Similar names

bobacken.se

bobacken.com

boneback.com

DNS History

4 records (2 active, 2 former)

●NSnew-ns1.vu.nl2026-03-28 → 2026-04-26 · 3 obs

○ 2016-03-27 11:49:42
● 2026-03-28 21:58:36
● 2026-04-26 06:21:02

●NSnew-ns2.vu.nl2026-03-28 → 2026-04-26 · 3 obs

○ 2016-03-27 11:49:42
● 2026-03-28 21:58:36
● 2026-04-26 06:21:02

○NSns.vu.nl2015-05-29 → 2016-03-27 · 4 obs

● 2015-05-29 22:57:14
● 2016-03-27 11:49:42
○ 2026-03-28 21:58:36
○ 2026-04-26 06:21:02

○NSns2.vu.nl2015-05-29 → 2016-03-27 · 4 obs

● 2015-05-29 22:57:14
● 2016-03-27 11:49:42
○ 2026-03-28 21:58:36
○ 2026-04-26 06:21:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
vu.nl	new-ns2.vu.nl, new-ns1.vu.nl	2 records

✅ Authoritative Response

Server:130.37.164.20

NS records: new-ns2.vu.nl, new-ns1.vu.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 461ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`new-ns2.vu.nl, new-ns1.vu.nl`
SOA	1	`new-ns1.vu.nl hostmaster.vu.nl`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (new-ns1.vu.nl, new-ns2.vu.nl)

Analysis

Name Servers

backbone.vu.nl is delegated to two name servers: new-ns1.vu.nl and new-ns2.vu.nl.

backbone.vu.nl uses the same name server setup as other domains such as protocure.org, it.vu.nl, sbs1.org, ph.vu.nl and geo.vu.nl.

backbone.vu.nl shares name servers with other domains at least partially, for example 129.37.130.in-addr.arpa, fgb.vu.nl, clients.vu.nl, cs.vu.nl and 98.108.145.in-addr.arpa.

these name servers are commonly paired with new-ns.vu.nl, pinfbx001a.vu.nl, dns.labs.vu.nl, ns0.labs.vu.nl, ns1.labs.vu.nl, ns2.labs.vu.nl and ns1.surfnet.nl.

Host names with one IP number:

new-ns1.vu.nl points to: 130.37.164.20.

new-ns2.vu.nl points to: 130.37.164.22.

backbone.vu.nl - robtex.com

backbone.vu.nl

vu.nl