sci.science.mcmaster.ca - robtex.com
sci.science.mcmaster.ca
| DNSSEC | ⚠️ Not signed | ||||||
| MX | mex.rhpcs.mcmaster.ca ⭐ | ||||||
| A | 130.113.48.249🇨🇦 AS23237130.113.0.0/16 | ||||||
| PTR | mex.rhpcs.mcmaster.ca | ||||||
science.mcmaster.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 130.113.48.15🇨🇦 AS23237130.113.0.0/16 | ||||||
| NS | ns1.d-zone.ca ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns2.d-zone.ca ⚠️ Not in parent delegation | ||||||
| TXT | d365mktkey=1HCSTrznOVfDtKgJySvvmhocjAMs1AeWAJ9XgBaad6Mx | ||||||
| SOA | ns1.d-zone.cadnsgrp@mcmaster.ca serial=675256234 | ||||||
WOT: SAFE (86/100)
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●MXmex.rhpcs.mcmaster.ca2016-12-16 → 2026-04-13 · 2 obs
● 2016-12-16 04:26:26
● 2026-04-13 15:48:54
● 2026-04-13 15:48:54
○A130.113.48.82016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 04:26:26
○ 2026-03-26 04:12:06
○ 2026-04-13 15:48:54
○ 2026-03-26 04:12:06
○ 2026-04-13 15:48:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| mcmaster.ca | ns1.d-zone.ca, ns2.d-zone.ca | 4 records |
✅ Authoritative Response
Server:162.219.54.2
NS records: ns1.d-zone.ca, ns2.d-zone.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mcmaster.ca (unsigned zone)
⏱️ Timing
Total: 175ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | mex.rhpcs.mcmaster.ca (pri: 0) |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.d-zone.ca, ns1.d-zone.ca, ns2.d-zone.ca...)
Analysis
Mail Servers
The mex.rhpcs.mcmaster.ca mail server handles sci.science.mcmaster.ca.
sci.science.mcmaster.ca shares the same mail server setup as other domains, including eccles.physics.mcmaster.ca, rhpcserv.rhpcs.mcmaster.ca, physserv.physics.mcmaster.ca, evol.biology.mcmaster.ca and helix.biology.mcmaster.ca.
mex.rhpcs.mcmaster.ca points to a single IP number: 130.113.48.249.