efnet.math.uwaterloo.ca - robtex.com
efnet.math.uwaterloo.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 129.97.91.252🇨🇦 AS12093129.97.0.0/16 200 University Avenue West Waterloo ON N2L-3G1 Canada | ||||||
| PTR | efnet.math.uwaterloo.ca | ||||||
math.uwaterloo.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 129.97.206.21🇨🇦 AS12093129.97.0.0/16 200 University Avenue West Waterloo ON N2L-3G1 Canada | ||||||
| MX | mx1.hc503-62.ca.iphmx.com ⭐ | ||||||
| MX | mx2.hc503-62.ca.iphmx.com ⭐ | ||||||
| TXT | MS=BB60B9592CC1D47AC6964709032A2BA1CDF38448 | ||||||
WOT: SAFE (88/100)
PTR for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A129.97.91.2522015-07-04 → 2026-04-12 · 2 obs
● 2015-07-04 22:03:50
● 2026-04-12 17:32:04
● 2026-04-12 17:32:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca | - |
| uwaterloo.ca | cn-dns-ec2-new.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca | 3 records |
✅ Authoritative Response
Server:20.220.231.86
NS records: cn-dns-ec2-new.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uwaterloo.ca (unsigned zone)
⏱️ Timing
Total: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.97.91.252 |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ext-dns-azure-a.uwaterloo.ca, cn-dns-ec2-new.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca)
Analysis
IP Addresses
efnet.math.uwaterloo.ca points to a single IP address: 129.97.91.252.
Other host names such as efnet-math.org and ns2.dominia.org share IP numbers with efnet.math.uwaterloo.ca.