ls.cwi.nl - robtex.com
ls.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.nlhostmaster@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 | ZOOM_verify_-TwabqfPQI2RrsWzDjTwfQ | ||||||
| TXT | adobe-idp-site-verification=a8667c98581a66df82f18dd9b4ec9ad04d2b0214fda298afa... | ||||||
| TXT | Centrum Wiskunde & Informatica | ||||||
| TXT | HARICA-SnDN4Irx82qOUXNni8S | ||||||
| TXT | apple-domain-verification=vKvt2VfbB2WZUhzQ | ||||||
| TXT | Science Park 123, 1098 XG Amsterdam, Netherlands | ||||||
| TXT | MS=ms63043750 | ||||||
| TXT | CWI (Centrum Wiskunde & Informatica)=pnqgTeOiurzbz4yD | ||||||
| TXT | v=spf1 ip4:192.16.191.0/27 ip4:192.174.88.179 ip4:192.174.88.180 ip4:13.58.74... | ||||||
| TXT | ZOOM_verify_QtFtKLPNUTBlqUfH6kXTNZ | ||||||
| SOA | ns1.cwi.nlhostmaster@cwi.nl 2026-04-10 #1 | ||||||
rank #1032 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: #4,033
Subdomains
itaska.ls.cwi.nl |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.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: 362ms | 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
ls.cwi.nl is the parent of itaska.ls.cwi.nl.
Name Servers
ls.cwi.nl is delegated to two name servers: ns1.cwi.nl and ns2.cwi.nl.
ls.cwi.nl uses the same name server setup as other domains such as 198.16.192.in-addr.arpa, itf.cwi.nl, wlan.cwi.nl, 196.16.192.in-addr.arpa and md.cwi.nl.
ls.cwi.nl shares name servers with other domains at least partially, for example sen-symposium.nl, sleconf.org, rascallang.org, cwi-incubator.com and pubhub.nl.
These name servers are often used together with the name servers 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
Two mail servers fester.cwi.nl and gomez.cwi.nl handle ls.cwi.nl.
ls.cwi.nl shares the same mail server setup as other domains, for instance wlan.cwi.nl, md.cwi.nl, neno.cwi.nl, sc.cwi.nl and da.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.