`challengestudy.ca`

DNSSEC	⚠️ Not signed
A	130.15.64.106^{🇨🇦 QUEENS-UNIVERSITY130.15.0.0/16 Queen's University at Kingston 19 Division Street IT Services, Dupuis Hall Kingston ON K7L-3N6 Canada}
		PTR	`challengestudy.ca`
		PTR	`ctg.queensu.ca`
		PTR	`edc.ctg.queensu.ca`
		PTR	`www-archive.ctg.queensu.ca`
		PTR	`www-stage.ctg.queensu.ca`
		PTR	`www.ctg.queensu.ca`
		PTR	`wwwbeta.ctg.queensu.ca`
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`
		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`
		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=2605110500

PTR for

106.64.15.130.in-addr.arpa

Same first word

challengestudy.ca

DNS History

6 records (4 active, 2 former)

●NSbraid.queensu.ca2015-07-25 → 2026-05-11 · 2 obs

● 2015-07-25 07:03:32
● 2026-05-11 05:56:44

●NSfle-05-dhcp1.mgmt.queensu.ca2015-07-25 → 2026-05-11 · 2 obs

● 2015-07-25 07:03:32
● 2026-05-11 05:56:44

●NSknot.queensu.ca2015-07-25 → 2026-05-11 · 2 obs

● 2015-07-25 07:03:32
● 2026-05-11 05:56:44

○A130.15.107.2442015-07-25 → 2016-01-14 · 4 obs

● 2015-07-25 07:03:32
● 2016-01-14 12:54:36
○ 2016-03-28 19:12:08
○ 2026-05-11 05:56:44

●A130.15.64.1062026-03-02 → 2026-05-11 · 3 obs

○ 2017-04-03 21:24:56
● 2026-03-02 10:16:16
● 2026-05-11 05:56:44

○A130.15.64.592016-03-28 → 2017-04-03 · 5 obs

○ 2016-01-14 12:54:36
● 2016-03-28 19:12:08
● 2017-04-03 21:24:56
○ 2026-03-02 10:16:16
○ 2026-05-11 05:56:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	any.ca-servers.ca, d.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
challengestudy.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 challengestudy.ca (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`130.15.64.106`
NS	2	`knot.queensu.ca, braid.queensu.ca`
SOA	1	`fle-05-dhcp1.mgmt.queensu.ca dnsadmin.qu`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

challengestudy.ca resolves to a single IP address: 130.15.64.106.

Other host names including www-stage.ctg.queensu.ca, ctg.queensu.ca, excellirate.com, wwwbeta.ctg.queensu.ca and www.ctg.queensu.ca share IP numbers with challengestudy.ca.

Name Servers

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

challengestudy.ca at least partially shares name servers with other domains, including 3.15.130.in-addr.arpa, ctg.queensu.ca, 15.15.130.in-addr.arpa, libservice.queensu.ca and krcc.on.ca.

These name servers are commonly used with the name servers ns1.d-zone.cahighnoon.cs.queensu.caccs-master.queensu.cakeeper.kgh.on.caother_hera.caslab.queensu.ca and zeus.caslab.queensu.ca.

Hostnames 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.

challengestudy.ca - robtex.com