ws01.core-tech.eu - robtex.com
ws01.core-tech.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:7c8:fffa:3b2::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ws01.core-tech.eu | ||||||
| A | 37.97.251.174🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
core-tech.eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.97.251.174🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| NS | ns0.transip.net ⭐ | ||||||
| NS | ns1.transip.nl | ||||||
| NS | ns2.transip.eu | ||||||
| MX | ws01.core-tech.eu ⭐ | ||||||
| TXT | v=spf1 mx a ptr ip4:86.89.179.54/32 ip4:37.97.220.32/32 a:mail.kpnmail.nl a:v... | ||||||
| SOA | ns0.transip.nethostmaster@transip.nl 2025-02-22 #0 | ||||||
PTR for
MX for
Same first word
Similar names
01sw.net |
10sw.com |
01ws.cn |
sw01.sakura.ne.jp |
w10s.com |
w10s.xyz |
sw10.com |
ws10.com |
ws10.de |
10ws.com |
sw01.de |
sw10.org |
10ws.me |
sw01.com |
sw01.co.kr |
01sw.com |
10ws.co |
sw10.ca |
01ws.com |
01sw.cn |
DNS History
2 records (2 active, 0 former)
●A2a01:7c8:fffa:3b2::12019-04-16 → 2026-03-26 · 2 obs
● 2019-04-16 19:23:16
● 2026-03-26 02:20:28
● 2026-03-26 02:20:28
●A37.97.251.1742019-04-16 → 2026-03-26 · 2 obs
● 2019-04-16 19:23:16
● 2026-03-26 02:20:28
● 2026-03-26 02:20:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| core-tech.eu | ns2.transip.eu, ns0.transip.net, ns1.transip.nl | 2 records |
✅ Authoritative Response
Server:195.8.195.195
NS records: ns2.transip.eu, ns0.transip.net, ns1.transip.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 903ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.97.251.174 |
| AAAA | 1 | 2a01:7c8:fffa:3b2::1 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.transip.eu, ns2.transip.eu)
Analysis
Mail Server Role
ws01.core-tech.eu serves mail for marcus-architecten.nl, core-tech.eu and com-bat.nl.
mail.marcus-architecten.nl and vps.com-bat.nl are commonly used as mail servers together with ws01.core-tech.eu.
IP Addresses
ws01.core-tech.eu points to two IP numbers: 2a01:7c8:fffa:3b2::1 and 37.97.251.174.
Other host names, for instance index4u.nl, core-tech.eu, mail.passion4golf.nl, hostmaster.aquatec.nl and vps.com-bat.nl share IP numbers with ws01.core-tech.eu.