cloud.cs.uwaterloo.ca - robtex.com

cloud.cs.uwaterloo.ca

DNSSEC⚠️ Not signed
NScn-dns-ec2-new.uwaterloo.ca ⭐ ⚠️ Not in parent delegation
A129.97.129.17🇨🇦 AS12093129.97.0.0/16 200 University Avenue West Waterloo ON N2L-3G1 Canada
PTRcn-dns-ec2-new.uwaterloo.ca
NScn-dns-mc-new.uwaterloo.ca ⚠️ Not in parent delegation
A129.97.128.229🇨🇦 AS12093129.97.0.0/16 200 University Avenue West Waterloo ON N2L-3G1 Canada
PTRcn-dns-mc-new.uwaterloo.ca
NSext-dns-azure-a.uwaterloo.ca ⚠️ Not in parent delegation
A20.220.231.86🇨🇦 Microsoft20.192.0.0/10
SOAcn-dns-ec2-new.uwaterloo.cahostmaster@uwaterloo.ca serial=2004118426

cs.uwaterloo.ca

DNSSEC⚠️ Not signed
A129.97.167.168🇨🇦 AS12093129.97.0.0/16 200 University Avenue West Waterloo ON N2L-3G1 Canada
NScn-dns-ec2-new.uwaterloo.ca ⭐ ⚠️ Not in parent delegation
NScn-dns-mc-new.uwaterloo.ca ⚠️ Not in parent delegation
NSext-dns-azure-a.uwaterloo.ca ⚠️ Not in parent delegation
MXmx1.hc503-62.ca.iphmx.com ⭐
MXmx2.hc503-62.ca.iphmx.com ⭐
TXTMS=025EC30B732552B88515F735CD376666F0BFFFC8
TXTv=spf1 ip4:129.97.0.0/16 ip6:2620:101:F000::/47 ~all
SOAcn-dns-ec2-new.uwaterloo.cahostmaster@uwaterloo.ca serial=2010126174
WOT: SAFE (74/100)
WOT: SAFE (93/100)

Same first word

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DNS History

3 records (3 active, 0 former)

NScn-dns-ec2-new.uwaterloo.cacn-dns-mc-new.uwaterloo.caext-dns-azure-a.uwaterloo.ca
●NScn-dns-ec2-new.uwaterloo.ca2026-03-06 → 2026-04-12 · 2 obs
● 2026-03-06 09:58:00
● 2026-04-12 17:03:36
●NScn-dns-mc-new.uwaterloo.ca2026-03-06 → 2026-04-12 · 2 obs
● 2026-03-06 09:58:00
● 2026-04-12 17:03:36
●NSext-dns-azure-a.uwaterloo.ca2026-03-06 → 2026-04-12 · 2 obs
● 2026-03-06 09:58:00
● 2026-04-12 17:03:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cac.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca-
uwaterloo.cacn-dns-ec2-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca3 records

✅ Authoritative Response

Server:129.97.128.229

NS records: cn-dns-ec2-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for uwaterloo.ca (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

TypeCountSample Data
NS3ext-dns-azure-a.uwaterloo.ca, cn-dns-ec2-new.uwaterloo.ca...
SOA1cn-dns-ec2-new.uwaterloo.ca hostmaster.u

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (cn-dns-mc-new.uwaterloo.ca, cn-dns-ec2-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca)

Analysis

Name Servers

The delegation for cloud.cs.uwaterloo.ca is handled by three name servers: cn-dns-ec2-new.uwaterloo.ca, cn-dns-mc-new.uwaterloo.ca and ext-dns-azure-a.uwaterloo.ca.

cloud.cs.uwaterloo.ca at least partially shares name servers with other domains, for instance iqc.ca, msdprevention.com, cgl.uwaterloo.ca, 0.0.0.f.1.0.1.0.0.2.6.2.ip6.arpa and cmclub.uwaterloo.ca.

These name servers are commonly used with cn-dns-mc.uwaterloo.ca and cn-dns-rac.uwaterloo.ca.

Host names with one IP number:

cn-dns-ec2-new.uwaterloo.ca points to 129.97.129.17.

cn-dns-mc-new.uwaterloo.ca points to 129.97.128.229.

ext-dns-azure-a.uwaterloo.ca points to 20.220.231.86.