da.cwi.nl - robtex.com

da.cwi.nl

DNSSECโš ๏ธ Not signed
NSns1.cwi.nl โญ โš ๏ธ Not in parent delegation
A192.16.191.8๐Ÿ‡ณ๐Ÿ‡ฑ CWI-NL192.16.191.0/24 CWI-NET-191
PTRns1.cwi.nl
NSns2.cwi.nl โš ๏ธ Not in parent delegation
A192.16.191.36๐Ÿ‡ณ๐Ÿ‡ฑ CWI-NL192.16.191.0/24 CWI-NET-191
PTRns2.cwi.nl
MXfester.cwi.nl โญ
A192.16.191.27๐Ÿ‡ณ๐Ÿ‡ฑ CWI-NL192.16.191.0/24 CWI-NET-191
PTRfester.cwi.nl
MXgomez.cwi.nl(100)
A192.16.191.29๐Ÿ‡ณ๐Ÿ‡ฑ CWI-NL192.16.191.0/24 CWI-NET-191
PTRgomez.cwi.nl
SOAns1.cwi.nlhostmaster@cwi.nl 2026-04-10 #1

cwi.nl

DNSSECโš ๏ธ Not signed
A192.16.191.43๐Ÿ‡ณ๐Ÿ‡ฑ CWI-NL192.16.191.0/24 CWI-NET-191
NSns1.cwi.nl โญ
NSdwalin.nikhef.nl โš ๏ธ Not in parent delegation
NSns1.zurich.surf.net โš ๏ธ Not in parent delegation
NSns2.cwi.nl
MXmx.soverin.net โญ
TXTZOOM_verify_QtFtKLPNUTBlqUfH6kXTNZ
TXTadobe-idp-site-verification=a8667c98581a66df82f18dd9b4ec9ad04d2b0214fda298afa...
TXTapple-domain-verification=vKvt2VfbB2WZUhzQ
TXTCentrum Wiskunde & Informatica
TXTCWI (Centrum Wiskunde & Informatica)=pnqgTeOiurzbz4yD
TXTMS=ms63043750
TXTHARICA-SnDN4Irx82qOUXNni8S
TXTScience Park 123, 1098 XG Amsterdam, Netherlands
TXTZOOM_verify_-TwabqfPQI2RrsWzDjTwfQ
TXTv=spf1 ip4:192.16.191.0/27 ip4:192.174.88.179 ip4:192.174.88.180 ip4:13.58.74...
SOAns1.cwi.nlhostmaster@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)
๐Ÿ“ˆ Tranco rank: #4,029

Subdomains

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026NSns1.cwi.nlns2.cwi.nlMXfester.cwi.nlgomez.cwi.nl
โ—NSns1.cwi.nl2015-07-04 โ†’ 2026-04-12 ยท 2 obs
โ— 2015-07-04 05:15:50
โ— 2026-04-12 12:30:26
โ—NSns2.cwi.nl2015-07-04 โ†’ 2026-04-12 ยท 2 obs
โ— 2015-07-04 05:15:50
โ— 2026-04-12 12:30:26
โ—MXfester.cwi.nl2015-07-04 โ†’ 2026-04-12 ยท 2 obs
โ— 2015-07-04 05:15:50
โ— 2026-04-12 12:30:26
โ—MXgomez.cwi.nl2026-02-21 โ†’ 2026-04-12 ยท 3 obs
โ—‹ 2015-07-04 05:15:50
โ— 2026-02-21 14:13:08
โ— 2026-04-12 12:30:26

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
cwi.nlns1.cwi.nl, ns1.zurich.surf.net, ns2.cwi.nl, dwalin.nikhef.nl4 records

โœ… Authoritative Response

Server:192.16.191.36

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 383ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS2ns1.cwi.nl, ns2.cwi.nl
MX2fester.cwi.nl (pri: 50), gomez.cwi.nl (pri: 100)
SOA1ns1.cwi.nl hostmaster.cwi.nl

๐Ÿ“Œ 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

da.cwi.nl is a parent of lab04.da.cwi.nl, scilens-test-scp.da.cwi.nl, croatan.da.cwi.nl, brubu.da.cwi.nl, scilens-ssh.da.cwi.nl and several other host names.

Name Servers

da.cwi.nl is delegated to two name servers: ns1.cwi.nl and ns2.cwi.nl.

da.cwi.nl shares the same name server setup as other domains, for example swat.cwi.nl, 201.16.192.in-addr.arpa, od.cwi.nl, ml.cwi.nl and ls.cwi.nl.

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

These name servers are commonly used with ns1.cwi-incubator.nl, dwalin.nikhef.nl, ns1.zurich.surf.net and ns.can.nl.

Host names with one IP number:

The host ns1.cwi.nl points to 192.16.191.8 and the host ns2.cwi.nl points to 192.16.191.36.

Mail Servers

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

da.cwi.nl shares the same mail server setup as other domains, for instance itf.cwi.nl, wlan.cwi.nl, md.cwi.nl, neno.cwi.nl and sc.cwi.nl.

Host names with one IP number:

The host fester.cwi.nl points to 192.16.191.27 and the host gomez.cwi.nl points to 192.16.191.29.