st.cwi.nl - robtex.com
st.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 2026-03-31 #3 | ||||||
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 | Science Park 123, 1098 XG Amsterdam, Netherlands | ||||||
| TXT | MS=ms63043750 | ||||||
| TXT | Centrum Wiskunde & Informatica | ||||||
| TXT | apple-domain-verification=vKvt2VfbB2WZUhzQ | ||||||
| TXT | ZOOM_verify_-TwabqfPQI2RrsWzDjTwfQ | ||||||
| TXT | adobe-idp-site-verification=a8667c98581a66df82f18dd9b4ec9ad04d2b0214fda298afa... | ||||||
| TXT | ZOOM_verify_QtFtKLPNUTBlqUfH6kXTNZ | ||||||
| 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 | HARICA-SnDN4Irx82qOUXNni8S | ||||||
| SOA | ns1.cwi.nlhostmaster@cwi.nl 2026-03-31 #3 | ||||||
rank #1047 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: #4,047
Subdomains
beardfish.st.cwi.nl |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| cwi.nl | ns2.cwi.nl, dwalin.nikhef.nl, ns1.cwi.nl, ns1.zurich.surf.net | 4 records |
✅ Authoritative Response
Server:192.16.191.36
NS records: ns2.cwi.nl, dwalin.nikhef.nl, ns1.cwi.nl, ns1.zurich.surf.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 438ms | 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
The parent of beardfish.st.cwi.nl is st.cwi.nl.
Name Servers
Two name servers ns1.cwi.nl and ns2.cwi.nl handle the delegation for st.cwi.nl.
st.cwi.nl shares the same name server setup as other domains, for instance is.cwi.nl, vpn.cwi.nl, project.cwi.nl, dis.cwi.nl and ia.cwi.nl.
st.cwi.nl at least partially shares name servers with other domains, for instance nvti.nl, versen.nl, sen-symposium.nl, sleconf.org and rascallang.org.
These name servers are commonly used with the following: ns1.cwi-incubator.nl, dwalin.nikhef.nl, ns1.zurich.surf.net and ns.can.nl.
Host names with one IP:
ns1.cwi.nl points to: 192.16.191.8
ns2.cwi.nl points to: 192.16.191.36
Mail Servers
st.cwi.nl is handled by two mail servers: fester.cwi.nl and gomez.cwi.nl.
st.cwi.nl uses the same mail server setup as other domains, for instance md.cwi.nl, neno.cwi.nl, sc.cwi.nl, da.cwi.nl and pub.cwi.nl.
Host names with one IP:
fester.cwi.nl points to: 192.16.191.27
gomez.cwi.nl points to: 192.16.191.29