`mail.engsci.utoronto.ca`

	DNSSEC	⚠️ Not signed
	A	128.100.72.141^{🇨🇦 AS239128.100.0.0/16 Peer1 route object}

`engsci.utoronto.ca`

	DNSSEC	⚠️ Not signed
	A	142.1.176.100^{🇨🇦 AS239142.1.0.0/16}
	NS	`ans1.utoronto.ca` ⭐
	NS	`ns1.d-zone.ca` ⚠️ Not in parent delegation
	NS	`ns2.d-zone.ca` ⚠️ Not in parent delegation
	MX	`mail.engsci.utoronto.ca` ⭐
	TXT	`v=spf1 a mx a:engsci.utoronto.ca ip4:128.100.72.141 ?all.`
	SOA	`ans1.utoronto.ca`eis\@net\.eng.utoronto.ca 2025-12-05 #0

WOT: SAFE (79/100)
WOT: SAFE (94/100)

MX for

engsci.utoronto.ca

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DNS History

1 record (1 active, 0 former)

●A128.100.72.1412015-02-23 → 2026-04-14 · 2 obs

● 2015-02-23 12:29:56
● 2026-04-14 03:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, j.ca-servers.ca, d.ca-servers.ca, any.ca-servers.ca	-
utoronto.ca	ns1.d-zone.ca, ns2.d-zone.ca	4 records

✅ Authoritative Response

Server:162.219.55.2

NS records: ns1.d-zone.ca, ns2.d-zone.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for utoronto.ca (unsigned zone)

⏱️ Timing

Total: 251ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.100.72.141`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.d-zone.ca, ns1.d-zone.ca, ns2.d-zone.ca...)

Analysis

Mail Server Role

mail.engsci.utoronto.ca serves as the mail server for engsci.utoronto.ca.

IP Addresses

mail.engsci.utoronto.ca points to a single IP: 128.100.72.141.

Other host names, for instance mail.art.utoronto.ca, lamp2.utoronto.ca and mail.geography.utoronto.ca share IP numbers with mail.engsci.utoronto.ca.

mail.engsci.utoronto.ca - robtex.com