mx.caltech.es - robtex.com
mx.caltech.es
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.116.0.227🇪🇸 acens_AS217.116.0.0/24 | ||||||
| PTR | relaysin.dominioabsoluto.net | ||||||
caltech.es
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.194.68.49🇪🇸 acens_AS82.194.64.0/20 | ||||||
| NS | ns10.servicio-online.net ⭐ | ||||||
| NS | ns11.servicio-online.net | ||||||
| NS | ns12.servicio-online.net | ||||||
| MX | mx.caltech.es ⭐ | ||||||
| TXT | v=spf1 redirect=spf.dominioabsoluto.net | ||||||
| TXT | google-site-verification=EtBiR6kDym4u7fXRo7Uu1pPTNxMfdGMLSj9dAmhODUU | ||||||
| SOA | ns10.servicio-online.nethostmaster@ns10.servicio-online.net serial=1774527683 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A217.116.0.2272026-03-19 → 2026-03-26 · 2 obs
● 2026-03-19 17:30:16
● 2026-03-26 12:21:22
● 2026-03-26 12:21:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| es | a.nic.es, c.nic.es, g.nic.es, h.nic.es | - |
| caltech.es | ns12.servicio-online.net, ns11.servicio-online.net, ns10.servicio-online.net | - |
✅ Authoritative Response
Server:217.116.15.172
NS records: ns12.servicio-online.net, ns11.servicio-online.net, ns10.servicio-online.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for caltech.es (unsigned zone)
⏱️ Timing
Total: 691ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.116.0.227 |
Analysis
Mail Server Role
mx.caltech.es serves as the mail server for caltech.es.
IP Addresses
mx.caltech.es points to a single IP: 217.116.0.227.
Other host names, for instance mx.coworkingvigo.com, mx.ituc.es, mx.malagaluxurymagazine.com, mx.graficashispania.es and mx.foroauditores.com share IP numbers with mx.caltech.es.