mail.heavycomputing.ca - dns.ninja

`mail.heavycomputing.ca`

DNSSEC	⚠️ Not signed
A	199.27.180.164^{🇨🇦 FIDALIA-AS199.27.180.0/24}
		PTR	`vinson.sizone.org`
A	199.27.180.165^{🇨🇦 FIDALIA-AS199.27.180.0/24}

`heavycomputing.ca`

	DNSSEC	⚠️ Not signed
	A	199.27.180.164^{🇨🇦 FIDALIA-AS199.27.180.0/24}
	NS	`ns1.sizone.org` ⭐
	NS	`ns3.heavycomputing.ca`
	MX	`cornice.sizone.org` ⭐
	MX	`smtp2.heavycomputing.ca`⁽²⁰⁾
	TXT	`v=DMARC1; p=none; rua=mailto:kc_dmarc-hs822@sizone.org`
	TXT	`google-site-verification=0G_U1TRGLLlb_5nZGWQsAcuIEDAduRA4ilLFsFB0i40`
	TXT	`google-site-verification=KYm7nVglQEQ0QpFfDU57E4z9Z-axKJu3tGRokTiR73c`
	TXT	`v=spf1 +a +mx +ip4:199.27.180.150 +ip4:199.27.180.165 +a:zimbra88.hc1.ca -all`
	SOA	`ns1.sizone.org`hostmaster@heavycomputing.ca 2026-06-25 #0

📈 Tranco rank: #849,631

Previously MX for

pianoworld.com

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DNS History

2 records (2 active, 0 former)

●A199.27.180.1642015-07-15 → 2026-07-26 · 2 obs

● 2015-07-15 02:51:04
● 2026-07-26 08:12:48

●A199.27.180.1652015-07-15 → 2026-07-26 · 2 obs

● 2015-07-15 02:51:04
● 2026-07-26 08:12:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, any.ca-servers.ca, j.ca-servers.ca, d.ca-servers.ca	-
heavycomputing.ca	ns1.sizone.org, ns3.heavycomputing.ca	1 record

✅ Authoritative Response

Server:107.22.246.44

NS records: ns1.sizone.org, ns3.heavycomputing.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for heavycomputing.ca (unsigned zone)

⏱️ Timing

Total: 232ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.27.180.164, 199.27.180.165`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns3.heavycomputing.ca)

Analysis

IP Addresses

mail.heavycomputing.ca points to the IP addresses 199.27.180.164 and 199.27.180.165

Among the host names that share IP numbers with mail.heavycomputing.ca are smtp1.heavycomputing.ca, mail.airfarce.com, smtp.sizone.org and two others.