`queensophthalmology.ca`

DNSSEC	⚠️ Not signed
NS	`fle-05-dhcp1.mgmt.queensu.ca` ⭐
		A	130.15.54.100^{🇨🇦 QUEENS-UNIVERSITY130.15.0.0/16 Queen's University at Kingston 19 Division Street IT Services, Dupuis Hall Kingston ON K7L-3N6 Canada}
			PTR	`fle-05-dhcp1.mgmt.queensu.ca`
NS	`braid.queensu.ca` ⚠️ Not in zone NS records
		A	130.15.126.52^{🇨🇦 QUEENS-UNIVERSITY130.15.0.0/16 Queen's University at Kingston 19 Division Street IT Services, Dupuis Hall Kingston ON K7L-3N6 Canada}
			PTR	`braid.queensu.ca`
NS	`knot.queensu.ca` ⚠️ Not in zone NS records
		A	130.15.126.54^{🇨🇦 QUEENS-UNIVERSITY130.15.0.0/16 Queen's University at Kingston 19 Division Street IT Services, Dupuis Hall Kingston ON K7L-3N6 Canada}
			PTR	`knot.queensu.ca`
SOA	`fle-05-dhcp1.mgmt.queensu.ca`dnsadmin@queensu.ca serial=733430924

`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=2605100230

Same first word

queensophthalmology.ca

queensophthalmology.com

DNS History

13 records (3 active, 10 former)

●NSbraid.queensu.ca2017-02-08 → 2026-05-10 · 3 obs

○ 2016-05-07 12:42:08
● 2017-02-08 19:30:58
● 2026-05-10 03:30:48

●NSfle-05-dhcp1.mgmt.queensu.ca2017-02-08 → 2026-05-10 · 3 obs

○ 2016-05-07 12:42:08
● 2017-02-08 19:30:58
● 2026-05-10 03:30:48

●NSknot.queensu.ca2017-02-08 → 2026-05-10 · 3 obs

○ 2016-05-07 12:42:08
● 2017-02-08 19:30:58
● 2026-05-10 03:30:48

○NSns1.c16352.sgvps.net2016-05-07 → 2016-05-07 · 4 obs

○ 2016-02-02 17:44:00
● 2016-05-07 12:42:08
○ 2017-02-08 19:30:58
○ 2026-05-10 03:30:48

○NSns1.m42.siteground.biz2015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

○NSns2.c16352.sgvps.net2016-05-07 → 2016-05-07 · 4 obs

○ 2016-02-02 17:44:00
● 2016-05-07 12:42:08
○ 2017-02-08 19:30:58
○ 2026-05-10 03:30:48

○NSns2.m42.siteground.biz2015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

○MXmail.queensophthalmology.ca2016-05-07 → 2016-05-07 · 4 obs

○ 2016-02-02 17:44:00
● 2016-05-07 12:42:08
○ 2017-02-08 19:30:58
○ 2026-05-10 03:30:48

○MXmx10.mailspamprotection.com2015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

○MXmx20.mailspamprotection.com2015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

○MXmx30.mailspamprotection.com2015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

○A109.199.107.192016-05-07 → 2016-05-07 · 4 obs

○ 2016-02-02 17:44:00
● 2016-05-07 12:42:08
○ 2017-02-08 19:30:58
○ 2026-05-10 03:30:48

○A185.56.85.2472015-08-22 → 2016-02-02 · 4 obs

● 2015-08-22 02:43:44
● 2016-02-02 17:44:00
○ 2016-05-07 12:42:08
○ 2026-05-10 03:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
queensophthalmology.ca	knot.queensu.ca, braid.queensu.ca	2 records

✅ Authoritative Response

Server:130.15.126.52

NS records: knot.queensu.ca, braid.queensu.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for queensophthalmology.ca (unsigned zone)

⏱️ Timing

Total: 599ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (knot.queensu.ca, braid.queensu.ca)

Analysis

Name Servers

queensophthalmology.ca is delegated to name servers braid.queensu.ca, knot.queensu.ca and fle-05-dhcp1.mgmt.queensu.ca.

queensophthalmology.ca at least partially shares name servers with other domains such as queensu.org, 2.15.130.in-addr.arpa, givetoqueens.ca, business.queensu.ca and net.queensu.ca.

these name servers are commonly used with ns1.d-zone.ca, highnoon.cs.queensu.ca, ccs-master.queensu.ca, keeper.kgh.on.ca, other_hera.caslab.queensu.ca and zeus.caslab.queensu.ca.

Host names with a single IP:

braid.queensu.ca points to 130.15.126.52

knot.queensu.ca points to 130.15.126.54

fle-05-dhcp1.mgmt.queensu.ca points to 130.15.54.100

queensophthalmology.ca - robtex.com