`doubletreehotel.com`

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`
TXT	`v=spf1 -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2026-05-18 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786518069

Same first word

doubletreehotel.com

DNS History

12 records (5 active, 7 former)

○NSns1.catadns.com2015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 16:50:58
○ 2015-10-17 08:41:16
○ 2026-08-12 07:13:58

●NSns1.markmonitor.com2026-07-27 → 2026-08-12 · 3 obs

○ 2017-06-23 14:38:40
● 2026-07-27 12:35:30
● 2026-08-12 07:13:58

○NSns1.pql.net2015-10-17 → 2017-06-23 · 5 obs

○ 2015-05-19 16:50:58
● 2015-10-17 08:41:16
● 2017-06-23 14:38:40
○ 2026-07-27 12:35:30
○ 2026-08-12 07:13:58

○NSns2.catadns.com2015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 16:50:58
○ 2015-10-17 08:41:16
○ 2026-08-12 07:13:58

●NSns2.markmonitor.com2026-07-27 → 2026-08-12 · 3 obs

○ 2017-06-23 14:38:40
● 2026-07-27 12:35:30
● 2026-08-12 07:13:58

○NSns2.pql.net2015-10-17 → 2017-06-23 · 5 obs

○ 2015-05-19 16:50:58
● 2015-10-17 08:41:16
● 2017-06-23 14:38:40
○ 2026-07-27 12:35:30
○ 2026-08-12 07:13:58

●NSns3.markmonitor.com2026-07-27 → 2026-08-12 · 3 obs

○ 2017-06-23 14:38:40
● 2026-07-27 12:35:30
● 2026-08-12 07:13:58

●NSns4.markmonitor.com2026-07-27 → 2026-08-12 · 3 obs

○ 2017-06-23 14:38:40
● 2026-07-27 12:35:30
● 2026-08-12 07:13:58

○MXmail.doubletreehotel.com2015-10-17 → 2017-06-23 · 4 obs

● 2015-10-17 08:41:16
● 2017-06-23 14:38:40
○ 2026-07-27 12:35:30
○ 2026-08-12 07:13:58

●A167.187.200.182026-07-27 → 2026-08-12 · 3 obs

○ 2017-06-23 14:38:40
● 2026-07-27 12:35:30
● 2026-08-12 07:13:58

○A208.87.34.1632015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 16:50:58
○ 2015-10-17 08:41:16
○ 2026-08-12 07:13:58

○A54.235.212.682015-10-17 → 2017-06-23 · 5 obs

○ 2015-05-19 16:50:58
● 2015-10-17 08:41:16
● 2017-06-23 14:38:40
○ 2026-07-27 12:35:30
○ 2026-08-12 07:13:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
doubletreehotel.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com	8 records

✅ Authoritative Response

Server:149.112.160.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletreehotel.com (unsigned zone)

⏱️ Timing

Total: 383ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.187.200.18`
NS	4	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

doubletreehotel.com resolves to just one IP address, 167.187.200.18.

Two other host names, along with golfhiltongrandvacations.com, thegraduateblacksburg.com and conradftlresidencesales.com, also share IP numbers with doubletreehotel.com.

Name Servers

The NS records for doubletreehotel.com point to four name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com.

doubletreehotel.com partially shares its NS delegation with several other domains, including outletdainese.it, axa-loesungsversicherer.de, eriicorp.com and two others.

In DNS configurations, these name servers often share authority with ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com and 4 other name servers.

ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com each carry two IP addresses. ns1.markmonitor.com has 149.112.160.1 and 2620:10a:80a8::1; ns2.markmonitor.com has 176.97.158.1 and 2001:67c:10b8::1; ns3.markmonitor.com has 149.112.161.1 and 2620:10a:80a9::1; ns4.markmonitor.com has 192.174.68.1 and 2001:67c:1bc::1.

doubletreehotel.com - robtex.com