`middlesexcentre.ca`

DNSSEC	⚠️ Not signed
A	2620:12a:8000::253^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	2620:12a:8001::253^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
A	23.185.0.253^{🇺🇸 Fastly23.185.0.0/24 Pantheon}
NS	`dns1.largnet.ca` ⭐ ⚠️ Not in parent delegation
		A	2605:c700:1:652::47:6^{🇨🇦 LARGNET2605:c700::/32 Largnet}
			PTR	`dns1.largenet.ca`
			PTR	`dns1.largnet.ca`
		A	198.20.47.6^{🇨🇦 LARGNET198.20.32.0/19 Largnet Transit (AS819)}
			PTR	`dns1.largenet.ca`
			PTR	`dns1.largnet.ca`
NS	`dns2.largnet.ca` ⚠️ Not in parent delegation
		A	2605:c700:1:653::48:6^{🇨🇦 LARGNET2605:c700::/32 Largnet}
			PTR	`dns2.largenet.ca`
			PTR	`dns2.largnet.ca`
		A	198.20.48.6^{🇨🇦 LARGNET198.20.32.0/19 Largnet Transit (AS819)}
			PTR	`dns2.largenet.ca`
			PTR	`dns2.largnet.ca`
NS	`dzn-zm-01.corp.cira.ca` ⚠️ Not in parent delegation
NS	`dzn-zm-02.corp.cira.ca` ⚠️ Not in parent delegation
NS	`dzn-zm-03.corp.cira.ca` ⚠️ Not in parent delegation
NS	`dzn-zm-04.corp.cira.ca` ⚠️ Not in parent delegation
NS	`ns1.d-zone.ca` ⚠️ Not in zone NS records
		A	2620:10a:80eb::2^{🇨🇦 CIRA-22620:10a:80eb::/48 D-Zone Anycast Cloud 1}
			PTR	`ns1.d-zone.ca`
		A	162.219.54.2^{🇨🇦 CIRA-2162.219.54.0/24 D-Zone Anycast Cloud1}
			PTR	`ns1.d-zone.ca`
NS	`ns2.d-zone.ca` ⚠️ Not in zone NS records
		A	2620:10a:80ec::2^{🇨🇦 CIRA-32620:10a:80ec::/48 D-Zone IPv6 Anycast Cloud 2}
			PTR	`ns2.d-zone.ca`
		A	162.219.55.2^{🇨🇦 CIRA-3162.219.55.0/24 D-Zone Anycast Cloud 2}
			PTR	`ns2.d-zone.ca`
MX	`mx1.middlesex.ca` ⭐
		A	198.20.46.51^{🇨🇦 LARGNET198.20.32.0/19 Largnet Transit (AS819)}
			PTR	`mx1.middlesex.ca`
MX	`mx2.middlesex.ca`⁽²⁰⁾
		A	198.20.46.52^{🇨🇦 LARGNET198.20.32.0/19 Largnet Transit (AS819)}
			PTR	`mx2.middlesex.ca`
TXT	`MS=ms77365817`
TXT	`cuefng84glcjgav53s0je712lf`
TXT	`k8363pq8bc22qgvc5db5tuph16`
TXT	`knowbe4-site-verification=033009e04ed2a0cdb9ae4189647cdb88`
TXT	`duo_sso_verification=Da3dKfa0jc9bEFGTVLd9b7gASu1UolVJ8CePx3Txz9P0t87y3LBCS55D...`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com ip4...`
SOA	`dns1.largnet.ca`dns@largnet.ca serial=728664333

`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=2605101000

Same first word

middlesexcentre.ca

middlesexcentre.on.ca

DNS History

13 records (13 active, 0 former)

●NSdns1.largnet.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSdns2.largnet.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSdzn-zm-01.corp.cira.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSdzn-zm-02.corp.cira.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSdzn-zm-03.corp.cira.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSdzn-zm-04.corp.cira.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSns1.d-zone.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●NSns2.d-zone.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●MXmx1.middlesex.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●MXmx2.middlesex.ca2026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●A23.185.0.2532026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●A2620:12a:8000::2532026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

●A2620:12a:8001::2532026-04-20 → 2026-05-10 · 2 obs

● 2026-04-20 06:19:42
● 2026-05-10 11:09:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.219.54.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for middlesexcentre.ca (unsigned zone)

⏱️ Timing

Total: 510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.185.0.253`
AAAA	2	`2620:12a:8001::253, 2620:12a:8000::253`
NS	6	`dzn-zm-03.corp.cira.ca, dzn-zm-04.corp.cira.ca...`
MX	2	`mx1.middlesex.ca (pri: 10), mx2.middlesex.ca (pri: 20)`
TXT	6	`knowbe4-site-verification=033009e04ed2a0, MS=ms77365817...`
SOA	1	`dns1.largnet.ca dns.largnet.ca`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

middlesexcentre.ca points to three IPs: 2620:12a:8000::253, 2620:12a:8001::253 and 23.185.0.253.

Other host names, for instance familynes.pe, www.awid.org, atrionmedical.com, physics.ucr.edu and bauhaus100aspen.org share IP numbers with middlesexcentre.ca.

Name Servers

middlesexcentre.ca delegates to eight name servers: ns1.d-zone.ca, ns2.d-zone.ca, dns1.largnet.ca, dns2.largnet.ca, dzn-zm-01.corp.cira.ca, dzn-zm-02.corp.cira.ca, dzn-zm-03.corp.cira.ca and dzn-zm-04.corp.cira.ca.

middlesexcentre.ca shares name servers with other domains at least partially, for instance liam.yorku.ca, jcb.utoronto.ca, uohs.uottawa.ca, winterlude.net and speech.gc.ca.