`pub.cwi.nl`

DNSSEC	⚠️ Not signed
NS	`ns1.cwi.nl` ⭐ ⚠️ Not in parent delegation
		A	192.16.191.8^{🇳🇱 CWI-NL192.16.191.0/24 CWI-NET-191}
			PTR	`ns1.cwi.nl`
NS	`ns2.cwi.nl` ⚠️ Not in parent delegation
		A	192.16.191.36^{🇳🇱 CWI-NL192.16.191.0/24 CWI-NET-191}
			PTR	`ns2.cwi.nl`
MX	`fester.cwi.nl` ⭐
		A	192.16.191.27^{🇳🇱 CWI-NL192.16.191.0/24 CWI-NET-191}
			PTR	`fester.cwi.nl`
MX	`gomez.cwi.nl`⁽¹⁰⁰⁾
		A	192.16.191.29^{🇳🇱 CWI-NL192.16.191.0/24 CWI-NET-191}
			PTR	`gomez.cwi.nl`
SOA	`ns1.cwi.nl`hostmaster@cwi.nl 2026-04-10 #1

`cwi.nl`

	DNSSEC	⚠️ Not signed
	A	192.16.191.43^{🇳🇱 CWI-NL192.16.191.0/24 CWI-NET-191}
	NS	`ns1.cwi.nl` ⭐
	NS	`dwalin.nikhef.nl` ⚠️ Not in parent delegation
	NS	`ns1.zurich.surf.net` ⚠️ Not in parent delegation
	NS	`ns2.cwi.nl`
	MX	`mx.soverin.net` ⭐
	TXT	`MS=ms63043750`
	TXT	`Science Park 123, 1098 XG Amsterdam, Netherlands`
	TXT	`adobe-idp-site-verification=a8667c98581a66df82f18dd9b4ec9ad04d2b0214fda298afa...`
	TXT	`apple-domain-verification=vKvt2VfbB2WZUhzQ`
	TXT	`HARICA-SnDN4Irx82qOUXNni8S`
	TXT	`CWI (Centrum Wiskunde & Informatica)=pnqgTeOiurzbz4yD`
	TXT	`Centrum Wiskunde & Informatica`
	TXT	`ZOOM_verify_-TwabqfPQI2RrsWzDjTwfQ`
	TXT	`ZOOM_verify_QtFtKLPNUTBlqUfH6kXTNZ`
	TXT	`v=spf1 ip4:192.16.191.0/27 ip4:192.174.88.179 ip4:192.174.88.180 ip4:13.58.74...`
	SOA	`ns1.cwi.nl`hostmaster@cwi.nl 2026-04-10 #1

WOT: SAFE (67/100)
rank #1033 globally
rank #2 in the tld
This domain name "cwi.nl" belongs to Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. It is a non-profit organization that conducts pioneering and socially relevant research, which is used widely in scientific research and industrial applications. The domain serves as their official website and provides information about their research, projects, events, and researchers.WOT: SAFE (89/100)
📈 Tranco rank: #4,029

Subdomains

pfsense4.pub.cwi.nl

Same first word

pub.de

pub.dev

pub.or.kr

pub.name

pub.net.br

pub.fyi

pub.lu

pub.it

pub.com.ua

pub.uy

pub.tv

pub.dk

pub.nf.ca

pub.es

pub.la

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pub.lc

pub.tw

pub.guide

pub.pink

pub.fi

pub.zone

pub.solar

pub.ro

pub.cn

pub.fm

pub.si

pub.ne.jp

pub.today

pub.su

pub.bg

pub.ph

pub.golf

pub.supplies

pub.io

pub.hr

pub.s3-website-ap-northeast-1.amazonaws.com

pub.ee

pub.asia

pub.info

pub.us

pub.mn

pub.cz

pub.actor

pub.ink

pub.bz

pub.com.ki

pub.s3.amazonaws.com

pub.be

pub.vn

pub.lv

pub.house

pub.nu

pub.ma

pub.al

pub.ru

pub.red

pub.hu

pub.tech

pub.bingo

pub.com

pub.vc

pub.network

pub.tn

pub.org

pub.media

pub.co.kr

pub.ec

pub.kiev.ua

pub.gov.sg

pub.co.jp

pub.nl.ca

pub.gratis

pub

pub.md

pub.ua

pub.com.vn

pub.church

pub.net

pub.ch

pub.ac.za

pub.com.au

pub.sa

pub.pt

pub.uk.net

pub.works

pub.lt

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
cwi.nl	ns1.cwi.nl, ns1.zurich.surf.net, ns2.cwi.nl, dwalin.nikhef.nl	4 records

✅ Authoritative Response

Server:192.16.191.36

NS records: ns1.cwi.nl, ns1.zurich.surf.net, ns2.cwi.nl, dwalin.nikhef.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 394ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.cwi.nl, ns1.cwi.nl`
MX	2	`gomez.cwi.nl (pri: 100), fester.cwi.nl (pri: 50)`
SOA	1	`ns1.cwi.nl hostmaster.cwi.nl`

📌 Glue Records Collected

Total: 4

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

Out-of-bailiwick: 2 (dwalin.nikhef.nl, dwalin.nikhef.nl)

Analysis

Hierarchy

pub.cwi.nl is a parent of pfsense4.pub.cwi.nl.

Name Servers

Delegation for pub.cwi.nl rests with two name servers, ns1.cwi.nl and ns2.cwi.nl.

pub.cwi.nl shares the same name server setup as other domains, including itf.cwi.nl, wlan.cwi.nl, 196.16.192.in-addr.arpa, md.cwi.nl and neno.cwi.nl.

pub.cwi.nl at least partially shares name servers with other domains, for instance sen-symposium.nl, sleconf.org, rascallang.org, cwi-incubator.com and pubhub.nl.

These name servers are often used together with ns1.cwi-incubator.nl, dwalin.nikhef.nl, ns1.zurich.surf.net, ns.can.nl and ns1.meta-environment.org.

Host names with one IP number: ns1.cwi.nl points to 192.16.191.8; ns2.cwi.nl points to 192.16.191.36.

Mail Servers

pub.cwi.nl is handled by two mail servers: fester.cwi.nl and gomez.cwi.nl.

pub.cwi.nl uses the same mail server configuration as other domains, such as sen.cwi.nl, cr.cwi.nl, swat.cwi.nl, od.cwi.nl and ml.cwi.nl.

Host names with one IP number: fester.cwi.nl points to 192.16.191.27; gomez.cwi.nl points to 192.16.191.29.

pub.cwi.nl - robtex.com

pub.cwi.nl

cwi.nl