`llc.ryerson.ca`

DNSSEC	⚠️ Not signed
NS	`dc4.arts.ryerson.ca` ⭐ ⚠️ Not in parent delegation
		A	141.117.104.1^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`dc1.arts.ryerson.ca` ⚠️ Not in parent delegation
		A	141.117.105.1^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`dc2.arts.ryerson.ca` ⚠️ Not in parent delegation
		A	141.117.105.2^{🇨🇦 TMU-ASN141.117.0.0/17}
			PTR	`dc2.arts.ryerson.ca`
NS	`dc3.arts.ryerson.ca` ⚠️ Not in parent delegation
		A	141.117.105.3^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`dc5.arts.ryerson.ca` ⚠️ Not in parent delegation
		A	141.117.104.2^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`neo.arts.ryerson.ca` ⚠️ Not in parent delegation
NS	`ns1.arts.ryerson.ca` ⚠️ Not in zone NS records
		A	141.117.104.1^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`ns2.arts.ryerson.ca` ⚠️ Not in zone NS records
		A	141.117.104.2^{🇨🇦 TMU-ASN141.117.0.0/17}
NS	`oldvpn.arts.ryerson.ca` ⚠️ Not in parent delegation
NS	`tank.arts.ryerson.ca` ⚠️ Not in parent delegation
NS	`trinity.arts.ryerson.ca` ⚠️ Not in parent delegation
MX	`rscan.ryerson.ca` ⭐
		A	141.117.126.6^{🇨🇦 TMU-ASN141.117.0.0/17}
			PTR	`rscan.ryerson.ca`
			PTR	`escan.torontomu.ca`
TXT	`v=spf1 a ptr ip4:141.117.104.4 ip4:141.117.104.5 ip4:141.117.104.9 ip4:141.11...`
SOA	`dc4.arts.ryerson.ca`hostmaster@arts.ryerson.ca serial=13

`ryerson.ca`

	DNSSEC	⚠️ Not signed
	A	141.117.126.20^{🇨🇦 TMU-ASN141.117.0.0/17}
	NS	`extns1.ryerson.ca` ⭐
	NS	`ns1.d-zone.ca`
	NS	`ns2.d-zone.ca`
	MX	`rscan.ryerson.ca` ⭐
	TXT	`MS=ms78557746`
	TXT	`ds64gful2sics7kgld84aa337f`
	TXT	`_b9iw8znpyuluhjx7z8cag2wgg7s03jc`
	TXT	`apple-domain-verification=0whOnBLqMFQbqqt0`
	TXT	`bcn=CE5C750E-23DA-11ED-A1D5-B72DCD24DBDF`
	TXT	`google-site-verification=jmyc86Fw3RseCb_X4JV7bIBrDDkDSk_jv5il9oGNKwo`
	TXT	`sophos-domain-verification=16c198d80f46ab8ec6b83c5ccefbd7a94711289b767b842522...`
	TXT	`90qt9b4c9m6carorb9ogm0dbmd`
	TXT	`google-site-verification=Xj3rc-3mJ3iJJgAZATzKfpnfgMzZfkjO0SKV5Qk8TD0`
	TXT	`h2hfp99b2sso8e0p937acl2jdf`
	TXT	`1password-site-verification=BXZVUNI5RZCJXLQ2LV5W553KCQ`
	TXT	`v=spf1 ip4:141.117.125.1 ip4:141.117.125.11 ip4:141.117.125.12 ip4:141.117.1...`
	TXT	`teamviewer-sso-verification=87958f4713154954a5a396cc4433c87f`
	TXT	`google-site-verification=s-TRvfo6Izmz172NHnG8G4Gl7BkjqmVf27prRBlw1Co`
	TXT	`atlassian-domain-verification=/luBoyVbcNm1b4OlDG0Glq6VlmFYrPOhagaYvhwkO6FBT1H...`
	SOA	`extns1.ryerson.ca`noc@torontomu.ca serial=2012043266

WOT: SAFE (90/100)
rank #7245 globally
rank #75 in the tld

ryerson.ca

ryerson.cais the former primary domain name of Ryerson University, a public research university in Toronto, Canada. Following the university's renaming to Toronto Metropolitan University in April 2022, the domain was transitioned to redirect to the new official domain,torontomu.ca.

Key facts

Owner / operator: Toronto Metropolitan University
TLD:.ca— Canada
Primary purpose: Legacy website and email domain (now redirecting to the new domain)
Status: legacy alias — redirects to torontomu.ca

Related domains

torontomu.ca(canonical)

WOT: SAFE (90/100)
📈 Tranco rank: #26,842

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DNS History

13 records (12 active, 1 former)

●NSdc1.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSdc2.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSdc3.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSdc4.arts.ryerson.ca2015-08-05 → 2026-08-11 · 10 obs

● 2015-08-05 16:47:24
○ 2015-11-12 05:06:20
○ 2015-11-13 12:14:54
● 2016-01-17 05:25:16
● 2016-04-30 06:46:40
○ 2016-09-28 08:39:32
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSdc5.arts.ryerson.ca2015-08-05 → 2026-08-11 · 9 obs

● 2015-08-05 16:47:24
● 2015-11-13 12:14:54
○ 2016-01-17 05:25:16
○ 2016-04-30 06:46:40
● 2016-09-28 08:39:32
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSneo.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NSns1.arts.ryerson.ca2026-04-13 → 2026-08-11 · 3 obs

○ 2016-11-29 14:02:42
● 2026-04-13 17:42:42
● 2026-08-11 08:21:40

●NSns2.arts.ryerson.ca2026-04-13 → 2026-08-11 · 3 obs

○ 2016-11-29 14:02:42
● 2026-04-13 17:42:42
● 2026-08-11 08:21:40

●NSoldvpn.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NStank.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

●NStrinity.arts.ryerson.ca2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

○MXedge.llc.ryerson.ca2015-08-05 → 2016-11-29 · 4 obs

● 2015-08-05 16:47:24
● 2016-11-29 14:02:42
○ 2026-04-13 17:42:42
○ 2026-08-11 08:21:40

●MXrscan.ryerson.ca2026-04-13 → 2026-08-11 · 5 obs

○ 2016-11-29 14:02:42
● 2026-04-13 17:42:42
○ 2026-07-25 04:16:52
● 2026-08-11 08:21:36
● 2026-08-11 08:21:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca	-
ryerson.ca	ns2.d-zone.ca, ns1.d-zone.ca	4 records
llc.ryerson.ca	ns1.arts.ryerson.ca, ns2.arts.ryerson.ca	2 records

✅ Authoritative Response

Server:141.117.104.2

NS records: ns1.arts.ryerson.ca, ns2.arts.ryerson.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryerson.ca (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	9	`tank.arts.ryerson.ca, dc1.arts.ryerson.ca...`
MX	1	`rscan.ryerson.ca (pri: 10)`
TXT	1	`v=spf1 a ptr ip4:141.117.104.4 ip4:141.1`
SOA	1	`dc5.arts.ryerson.ca hostmaster.arts.ryer`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns2.d-zone.ca, ns1.d-zone.ca, ns2.d-zone.ca...)

Analysis

Name Servers

llc.ryerson.ca carries NS records listing 11 name servers — dc1.arts.ryerson.ca, dc2.arts.ryerson.ca, dc3.arts.ryerson.ca and 8 others.

llc.ryerson.ca partially shares its NS delegation with several other domains, including politics.ryerson.ca, crim.ryerson.ca, arts.ryerson.ca and two others.

In DNS configurations, these name servers often share authority with ns1.arts.ryerson.ca, ns2.arts.ryerson.ca, dc4.arts.ryerson.ca and 7 other name servers.

Host names pointing to a single IP address:

dc1.arts.ryerson.ca resolves to the IP address 141.117.105.1.

dc2.arts.ryerson.ca resolves to the IP address 141.117.105.2.

dc3.arts.ryerson.ca resolves to the IP address 141.117.105.3.

dc4.arts.ryerson.ca resolves to the IP address 141.117.104.1.

dc5.arts.ryerson.ca resolves to the IP address 141.117.104.2.

ns1.arts.ryerson.ca resolves to the IP address 141.117.104.1.

ns2.arts.ryerson.ca resolves to the IP address 141.117.104.2.

dc4.arts.ryerson.ca and ns1.arts.ryerson.ca each have 141.117.104.1 IP addresses.

dc5.arts.ryerson.ca and ns2.arts.ryerson.ca each have 141.117.104.2 IP addresses.