`student.math.uwaterloo.ca`

CNAME	`ingress-p02.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}
		PTR	`ingress-p02.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 (61/100)
WOT: SAFE (88/100)

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DNS History

6 records (1 active, 5 former)

○MXmail.student.math.uwaterloo.ca2016-12-21 → 2016-12-21 · 4 obs

○ 1970-01-01 00:00:00
● 2016-12-21 15:30:20
○ 2026-04-08 20:02:58
○ 2026-04-12 22:49:36

○MXservices03.student.math.uwaterloo.ca1970-01-01 → 1970-01-01 · 3 obs

● 1970-01-01 00:00:00
○ 2016-12-21 15:30:20
○ 2026-04-12 22:49:36

○MXservices05.student.math.uwaterloo.ca1970-01-01 → 1970-01-01 · 3 obs

● 1970-01-01 00:00:00
○ 2016-12-21 15:30:20
○ 2026-04-12 22:49:36

○A129.97.140.1012016-12-21 → 2016-12-21 · 4 obs

○ 1970-01-01 00:00:00
● 2016-12-21 15:30:20
○ 2026-04-08 20:02:58
○ 2026-04-12 22:49:36

○A129.97.204.161970-01-01 → 1970-01-01 · 3 obs

● 1970-01-01 00:00:00
○ 2016-12-21 15:30:20
○ 2026-04-12 22:49:36

●CNAMEingress-p02.math.uwaterloo.ca2026-04-08 → 2026-04-12 · 2 obs

● 2026-04-08 20:02:58
● 2026-04-12 22:49:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
uwaterloo.ca	cn-dns-mc-new.uwaterloo.ca, cn-dns-ec2-new.uwaterloo.ca, ext-dns-azure-a.uwaterloo.ca	3 records

✅ Authoritative Response

Server:20.220.231.86

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at uwaterloo.ca: Error: DNS query timeout: 45.142.220.101 for DS uwaterloo.ca

⏱️ Timing

Total: 3368ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`ingress-p02.math.uwaterloo.ca`

📌 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

IP Addresses

student.math.uwaterloo.ca points to IP number: 129.97.206.21.

Other host names, for instance math.uwaterloo.ca and ingress-p02.math.uwaterloo.ca, share IP numbers with student.math.uwaterloo.ca.

student.math.uwaterloo.ca - robtex.com