heavycomputing.ca - dns.ninja

`heavycomputing.ca`

DNSSEC	⚠️ Not signed
A	199.27.180.164^{🇨🇦 FIDALIA-AS199.27.180.0/24}
NS	`ns1.sizone.org` ⭐
		A	199.27.180.163^{🇨🇦 FIDALIA-AS199.27.180.0/24}
NS	`ns3.heavycomputing.ca`
MX	`cornice.sizone.org` ⭐
		A	199.27.180.150^{🇨🇦 FIDALIA-AS199.27.180.0/24}
			PTR	`cornice.sizone.org`
MX	`smtp2.heavycomputing.ca`⁽²⁰⁾
		A	107.22.246.44^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
			PTR	`ec2-107-22-246-44.compute-1.amazonaws.com`
TXT	`google-site-verification=KYm7nVglQEQ0QpFfDU57E4z9Z-axKJu3tGRokTiR73c`
TXT	`google-site-verification=0G_U1TRGLLlb_5nZGWQsAcuIEDAduRA4ilLFsFB0i40`
TXT	`v=DMARC1; p=none; rua=mailto:kc_dmarc-hs822@sizone.org`
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 2026-02-03 #0

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2606132130

📈 Tranco rank: #733,967

Subdomains

tor.heavycomputing.ca

vinson.heavycomputing.ca

mail.heavycomputing.ca

smtp2.heavycomputing.ca

ns3.heavycomputing.ca

static.heavycomputing.ca

pilot.heavycomputing.ca

ns1.heavycomputing.ca

smtp1.heavycomputing.ca

vs.heavycomputing.ca

smtp.heavycomputing.ca

zabbix.heavycomputing.ca

zimbra.heavycomputing.ca

Same first word

heavycomputing.ca

heavycomputing.com

DNS History

12 records (5 active, 7 former)

○NSns1.heavycomputing.ca2009-01-30 → 2017-08-07 · 4 obs

● 2009-01-30 23:02:06
● 2017-08-07 17:10:30
○ 2026-02-25 06:51:52
○ 2026-06-13 22:39:38

●NSns1.sizone.org2015-08-05 → 2026-06-13 · 3 obs

○ 2009-01-30 23:02:06
● 2015-08-05 03:21:48
● 2026-06-13 22:39:38

○NSns2.sizone.org2009-01-30 → 2009-01-30 · 3 obs

● 2009-01-30 23:02:06
○ 2015-08-05 03:21:48
○ 2026-06-13 22:39:38

●NSns3.heavycomputing.ca2009-01-30 → 2026-06-13 · 2 obs

● 2009-01-30 23:02:06
● 2026-06-13 22:39:38

●MXcornice.sizone.org2016-04-12 → 2026-06-13 · 3 obs

○ 2016-01-28 12:14:32
● 2016-04-12 16:53:20
● 2026-06-13 22:39:38

○MXmail.eicat.ca2009-01-30 → 2009-01-30 · 3 obs

● 2009-01-30 23:02:06
○ 2015-08-05 03:21:48
○ 2026-06-13 22:39:38

○MXsmtp.heavycomputing.ca2009-01-30 → 2009-01-30 · 3 obs

● 2009-01-30 23:02:06
○ 2015-08-05 03:21:48
○ 2026-06-13 22:39:38

○MXsmtp.sizone.org2009-01-30 → 2009-01-30 · 3 obs

● 2009-01-30 23:02:06
○ 2015-08-05 03:21:48
○ 2026-06-13 22:39:38

○MXsmtp1.heavycomputing.ca2015-08-05 → 2016-01-28 · 5 obs

○ 2009-01-30 23:02:06
● 2015-08-05 03:21:48
● 2016-01-28 12:14:32
○ 2016-04-12 16:53:20
○ 2026-06-13 22:39:38

●MXsmtp2.heavycomputing.ca2009-01-30 → 2026-06-13 · 2 obs

● 2009-01-30 23:02:06
● 2026-06-13 22:39:38

●A199.27.180.1642015-08-05 → 2026-06-13 · 3 obs

○ 2009-01-30 23:02:06
● 2015-08-05 03:21:48
● 2026-06-13 22:39:38

○A67.196.137.1632009-01-30 → 2009-01-30 · 3 obs

● 2009-01-30 23:02:06
○ 2015-08-05 03:21:48
○ 2026-06-13 22:39:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.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: 2508ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.27.180.164`
NS	2	`ns3.heavycomputing.ca, ns1.sizone.org`
MX	2	`cornice.sizone.org (pri: 10), smtp2.heavycomputing.ca (pri: 20)`
TXT	4	`v=spf1 +a +mx +ip4:199.27.180.150 +ip4:1, google-site-verification=0G_U1TRGLLlb_5n...`
SOA	1	`ns1.sizone.org hostmaster.heavycomputing`

📌 Glue Records Collected

Total: 1

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

Analysis

Hierarchy

heavycomputing.ca serves as parent to tor.heavycomputing.ca, vinson.heavycomputing.ca, mail.heavycomputing.ca, smtp2.heavycomputing.ca, ns3.heavycomputing.ca along with a few other host names.

IP Addresses

heavycomputing.ca resolves to just one IP address, 199.27.180.164.

Two other host names, along with movieaddict.ca, vinson.heavycomputing.ca and mail.heavycomputing.ca, also share IP numbers with heavycomputing.ca.

Name Servers

heavycomputing.ca is served by two delegated name servers, ns3.heavycomputing.ca and ns1.sizone.org.

heavycomputing.ca shares its NS records with other domains, for example zimbra.pianosupplies.com, airfarce.org, onlyifit.com and two others.

heavycomputing.ca has at least partial name server overlap with other domains, such as ntgi.ca, ntgi.net, mi-world.ca and two others.

These name servers tend to appear together with the name servers ns1.ntgclarity.com, quantum.ntgi.net and ns2.sizone.org.

Host names with one IP number:

ns1.sizone.org points to the IP address 199.27.180.163.

Mail Servers

heavycomputing.ca is served by two mail servers, smtp2.heavycomputing.ca and cornice.sizone.org.

Mail server setup for heavycomputing.ca matches that of other domains, among them hc1.ca.

There is at least a partial MX overlap between heavycomputing.ca and other domains, including rgptoronto.ca, airfarce.org, onlyifit.com and two others.

These mail servers tend to appear together with the mail servers smtp1.heavycomputing.ca, mx.a.hostedemail.com and mx-caprica.easydns.com.

smtp2.heavycomputing.ca directs to 107.22.246.44 and cornice.sizone.org directs to 199.27.180.150; each host name points to exactly one IP number.