`thedoubletreehotel.ca`

DNSSEC	⚠️ Not signed
A	167.187.200.18^{🇺🇸 AS26529167.187.200.0/22 AC_HILTONWORL}
		PTR	`ftcrdf-nonsecure.hilton.com`
		PTR	`richardsondallas.hilton.com`
		PTR	`uksupply.hilton.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com` ⚠️ Not in parent delegation
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2024-01-25 #1

`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=2608010630

Same first word

DNS History

15 records (8 active, 7 former)

●NSns1.markmonitor.com2026-07-27 → 2026-08-01 · 3 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
● 2026-08-01 07:16:08

○NSns1.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

●NSns2.markmonitor.com2026-07-27 → 2026-08-01 · 3 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
● 2026-08-01 07:16:08

○NSns2.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

●NSns3.markmonitor.com2026-07-27 → 2026-08-01 · 3 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
● 2026-08-01 07:16:08

●NSns4.markmonitor.com2026-07-27 → 2026-08-01 · 3 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
● 2026-08-01 07:16:08

●NSns5.markmonitor.com2026-07-27 → 2026-08-01 · 5 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
○ 2026-07-29 11:29:48
● 2026-07-29 12:28:10
● 2026-08-01 07:16:08

○NSns5.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

●NSns6.markmonitor.com2026-07-27 → 2026-08-01 · 5 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
○ 2026-07-29 11:29:48
● 2026-07-29 12:28:10
● 2026-08-01 07:16:08

○NSns6.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

●NSns7.markmonitor.com2026-07-27 → 2026-08-01 · 5 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
○ 2026-07-29 11:29:48
● 2026-07-29 12:28:10
● 2026-08-01 07:16:08

○MXrelay1.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

○MXrelay2.netnames.net2015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

●A167.187.200.182026-07-27 → 2026-08-01 · 5 obs

○ 2018-01-14 01:16:32
● 2026-07-27 12:46:58
○ 2026-07-29 11:29:48
● 2026-07-29 12:28:10
● 2026-08-01 07:16:08

○A185.26.230.1292015-06-01 → 2018-01-14 · 4 obs

● 2015-06-01 06:07:46
● 2018-01-14 01:16:32
○ 2026-07-27 12:46:58
○ 2026-08-01 07:16:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
thedoubletreehotel.ca	ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns1.markmonitor.com	-

✅ Authoritative Response

Server:176.97.158.1

NS records: ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns1.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thedoubletreehotel.ca (unsigned zone)

⏱️ Timing

Total: 379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.187.200.18`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

Analysis

IP Addresses

thedoubletreehotel.ca resolves to one IP address: 167.187.200.18.

bringitcommericial.com, cocoabeachhilton.com, milan.hilton.com and two other host names share IP numbers with thedoubletreehotel.ca.

Name Servers

thedoubletreehotel.ca delegates authority to 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com plus 4 other.

At least some of thedoubletreehotel.ca's name servers are shared with other domains, for example ralcorprsss.com, ciscosystems.net.kh, fanschoice.com and two more.

These name servers are often deployed together with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Hostnames that resolve to two IP addresses:

ns1.markmonitor.com directs traffic to 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com directs traffic to 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com directs traffic to 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com directs traffic to 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com directs traffic to 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com directs traffic to 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com directs traffic to 149.112.161.2 and 2620:10a:80a9::2.